
Stealthy PDFSider Campaign Weaponizes Legitimate PDF Tools to Bypass EDR Defenses
The PDFSider campaign targets Energy and Finance sectors using DLL side-loading to bypass AV and EDR defenses. By pairing legitimate PDF24 software with a malicious DLL in spear-phishing emails, attackers execute the malware in memory, establish encrypted C2 channels, and gain remote shell access. This technique is currently used by both APT groups and ransomware syndicates like Qilin.
Indicators of Compromise
Hashes (9)
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<span id="docs-internal-guid-b92d546b-7fff-37cf-0827-9e30dc04ed49"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 11pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: rgb(255, 255, 255); font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">CONCLUSION</span></p><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 11pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: rgb(255, 255, 255); font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Campaign represents a significant evolution in how threat actors are blending APT-level stealth with commodity ransomware operations. The use of legitimate software (PDF24) to mask malicious activities makes detection difficult for traditional security measures.</span></p><br><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 11pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: rgb(255, 255, 255); font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Organizations leveraging SOCRadar can utilize the Threat Intelligence module to stay updated on new IoCs related to PDFSider. Additionally, the Attack Surface Management module can help identify assets running vulnerable software versions or exposed endpoints that could be targeted by spear-phishing campaigns. By integrating these insights, security teams can proactively block the specific hashes associated with this campaign and tune their EDRs to detect the specific side-loading behaviors described.</span></p><div><span style="font-size: 11pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: rgb(255, 255, 255); font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;"><br></span></div></span>
Mitigation
<span id="docs-internal-guid-e9fe9f93-7fff-bc51-25ff-7c4478b0a70f"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 11pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">MITIGATION</span></p><br><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 11pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">T1095 - Non-Application Layer Protocol</span></p><br><div style="margin-left:0pt;" align="left"><table style="border:none;border-collapse:collapse;"><colgroup><col><col><col></colgroup><tbody><tr style="height:37.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">ID</span></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Mitigation</span></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Description</span></p></td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1047"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1047</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1047"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Audit</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Periodically investigate ESXi hosts for open VMCI ports. Running the </span><span style="font-size: 8.5pt; font-family: " color: rgb(29, 34, 38); background-color: rgb(230, 230, 230); font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">lsof -A</span><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;"> command and inspecting results with a type of </span><span style="font-size: 8.5pt; font-family: " color: rgb(29, 34, 38); background-color: rgb(230, 230, 230); font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">SOCKET_VMCI</span><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;"> will reveal processes that have open VMCI ports.</span><a href="https://cloud.google.com/blog/topics/threat-intelligence/vmware-detection-containment-hardening"><span style="font-size: 7pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[115]</span></a></p></td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1037"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1037</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1037"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Filter Network Traffic</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Filter network traffic to prevent use of protocols across the network boundary that are unnecessary. If VMCI is not required in ESXi environments, consider restricting guest virtual machines from accessing VMCI services.</span><a href="https://techdocs.broadcom.com/us/en/vmware-cis/vsphere/vsphere/7-0/vsphere-virtual-machine-administration-guide-7-0/configuring-virtual-machine-hardwarevm-admin/virtual-machine-network-configurationvm-admin/serial-port-configurationvm-admin/configure-the-virtual-machine-communication-interface-firewallvm-admin.html"><span style="font-size: 7pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[116]</span></a></p></td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1031"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1031</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1031"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Network Intrusion Prevention</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Network intrusion detection and prevention systems that use network signatures to identify traffic for specific adversary malware can be used to mitigate activity at the network level.</span></p></td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1030"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1030</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1030"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Network Segmentation</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Properly configure firewalls and proxies to limit outgoing traffic to only necessary ports and through proper network gateway systems. Also ensure hosts are only provisioned to communicate over authorized interfaces.</span></p></td></tr></tbody></table></div><br><br><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 11pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">T1041 - Exfiltration Over C2 Channel</span></p><br><div style="margin-left:0pt;" align="left"><table style="border:none;border-collapse:collapse;"><colgroup><col><col><col></colgroup><tbody><tr style="height:37.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">ID</span></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Mitigation</span></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Description</span></p></td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1057"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1057</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1057"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Data Loss Prevention</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Data loss prevention can detect and block sensitive data being sent over unencrypted protocols.</span></p></td></tr><tr style="height:82pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1031"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1031</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1031"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Network Intrusion Prevention</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Network intrusion detection and prevention systems that use network signatures to identify traffic for specific adversary malware can be used to mitigate activity at the network level. Signatures are often for unique indicators within protocols and may be based on the specific obfuscation technique used by a particular adversary or tool, and will likely be different across various malware families and versions. Adversaries will likely change tool command and control signatures over time or construct protocols in such a way to avoid detection by common defensive tools. </span><a href="https://arxiv.org/ftp/arxiv/papers/1408/1408.1136.pdf"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[219]</span></a></p></td></tr></tbody></table></div><br><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 11pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">T1106 - Native API</span></p><br><div style="margin-left:0pt;" align="left"><table style="border:none;border-collapse:collapse;"><colgroup><col><col><col></colgroup><tbody><tr style="height:37.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">ID</span></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Mitigation</span></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Description</span></p></td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1040"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1040</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1040"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Behavior Prevention on Endpoint</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">On Windows 10, enable Attack Surface Reduction (ASR) rules to prevent Office VBA macros from calling Win32 APIs. </span><a href="https://docs.microsoft.com/microsoft-365/security/defender-endpoint/attack-surface-reduction"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[243]</span></a></p></td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1038"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1038</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1038"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Execution Prevention</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Identify and block potentially malicious software executed that may be executed through this technique by using application control </span><a href="http://www.sans.org/reading-room/whitepapers/application/application-whitelisting-panacea-propaganda-33599"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[244]</span></a><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;"> tools, like Windows Defender Application Control</span><a href="https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/windows-defender-application-control"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[245]</span></a><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">, AppLocker, </span><a href="https://blogs.jpcert.or.jp/en/2016/01/windows-commands-abused-by-attackers.html"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[246]</span></a><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;"> </span><a href="https://apps.nsa.gov/iaarchive/library/ia-guidance/tech-briefs/application-whitelisting-using-microsoft-applocker.cfm"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[247]</span></a><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;"> or Software Restriction Policies </span><a href="https://learn.microsoft.com/en-us/previous-versions/technet-magazine/cc510322(v=msdn.10)"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[248]</span></a><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;"> where appropriate. </span><a href="https://technet.microsoft.com/en-us/library/ee791851.aspx"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[249]</span></a></p></td></tr></tbody></table></div><br><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 11pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">T1204 - User Execution</span></p><br><div style="margin-left:0pt;" align="left"><table style="border:none;border-collapse:collapse;"><colgroup><col><col><col></colgroup><tbody><tr style="height:37.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">ID</span></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Mitigation</span></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Description</span></p></td></tr><tr style="height:68.5pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1040"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1040</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1040"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Behavior Prevention on Endpoint</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">On Windows 10, enable Attack Surface Reduction (ASR) rules to prevent executable files from running unless they meet a prevalence, age, or trusted list criteria and to prevent Office applications from creating potentially malicious executable content by blocking malicious code from being written to disk. Note: cloud-delivered protection must be enabled to use certain rules. </span><a href="https://docs.microsoft.com/microsoft-365/security/defender-endpoint/attack-surface-reduction"><span style="font-size: 7pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[13]</span></a></p></td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1038"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1038</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1038"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Execution Prevention</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Application control may be able to prevent the running of executables masquerading as other files.</span></p></td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1033"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1033</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1033"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Limit Software Installation</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Where possible, consider requiring developers to pull from internal repositories containing verified and approved packages rather than from external ones.</span></p></td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1031"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1031</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1031"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Network Intrusion Prevention</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">If a link is being visited by a user, network intrusion prevention systems and systems designed to scan and remove malicious downloads can be used to block activity.</span></p></td></tr><tr style="height:68.5pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1021"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1021</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1021"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Restrict Web-Based Content</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">If a link is being visited by a user, block unknown or unused files in transit by default that should not be downloaded or by policy from suspicious sites as a best practice to prevent some vectors, such as .scr, .exe, .pif, .cpl, etc. Some download scanning devices can open and analyze compressed and encrypted formats, such as zip and rar that may be used to conceal malicious files.</span></p></td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1017"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1017</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1017"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">User Training</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Use user training as a way to bring awareness to common phishing and spearphishing techniques and how to raise suspicion for potentially malicious events.</span></p></td></tr></tbody></table></div><br><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 11pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">T1497 - Virtualization/Sandbox Evasion</span></p><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">This type of attack technique cannot be easily mitigated with preventive controls since it is based on the abuse of system features.</span></p><br><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 11pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: rgb(255, 255, 255); font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">T1059.003 - Windows Command Shell</span></p><br><div style="margin-left:0pt;" align="left"><table style="border:none;border-collapse:collapse;"><colgroup><col><col><col></colgroup><tbody><tr style="height:37.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">ID</span></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Mitigation</span></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;text-align: center;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Description</span></p></td></tr><tr style="height:42.25pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1038"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1038</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://attack.mitre.org/mitigations/M1038"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Execution Prevention</span></a></p></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Use application control where appropriate.</span></p></td></tr></tbody></table></div><br><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 11pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: rgb(255, 255, 255); font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">T1082 - System Information Discovery</span></p><br><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">This type of attack technique cannot be easily mitigated with preventive controls since it is based on the abuse of system features</span><span style="font-size: 11pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">.</span></p><div><span style="font-size: 11pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;"><br></span></div></span>