IOC Radar
DomainHighVerifiedSignal 21/100

refreb1.info

Location
BrazilBrazil
First Seen
Jun 7, 2025
Last Seen
Feb 19, 2026
Jun 7
First Seen
385d ago
Feb 19
Last Seen
128d ago
5
Reports
source reports
21%
Confidence
high
Found in 5 reports. Confidence: high. · Confidence scores are heuristic. Verify before acting on results.
Domain Name
Malicious domain used for C2, phishing, or malware distribution.
MISP Category
Network Activity
Confidence
21%
Signal Score
21 / 100
IDS Rule
No
Threat Context
Tags
MITRE ATT&CK

MITRE ATT&CK TTPs

21 techniques

Feed Intelligence Summary

5 reports21% confidence
5
Source reports
21%
Confidence score
Category tags
backdoorbackdoor c2brazilc2 communicationcommand executiondata encryptiondata exfiltrationextortionindicatorinitial accessinterlock ccinterlock groupinterlock phpmalicious powershell activitymalicious softwaremalwarematch sgroupsnetworkprocess injectionransomwareremote accessresearchedscripting attackssocial engineeringsouth americasplitsystem disruptiont1001t1005t1012t1016t1027t1033t1036t1041t1055t1055.012t1059.001t1071.001t1086t1105t1133t1189t1204.002t1486t1490t1565t1566website compromise

Activity Timeline

1 total obs
Feb 19Feb 19

Threat Activity Heatmap

· Peak: 2026-02-19
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0
Dormant
7d
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30d
0
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3mo
0
Dormant
Threat ScoreLow Risk
21
SIGNAL
Signal Score
21%
Confidence
5
Reports
First seenJun 7, 2025
Last seenFeb 19, 2026
Verified IOC

VirusTotal

Not checked

Export & API

STIX 2.1 Bundle
CSV Export
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IOC Journey

high
First detected 1 year ago · Last seen 4 months ago
Appeared in 5 threat reports