IOC Radar

Indicators are what attackers leave behind. Stolen credentials are what they arrive with.

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CVEHighVerifiedSignal 79/100EPSS 88.1%

CVE-2021-4034

First Seen
Jun 2, 2026
Last Seen
Oct 10, 2026
Jun 2
First Seen
133d ago
Oct 10
Last Seen
3d ago
12
Reports
source reports
84%
Confidence
high
Found in 12 reports. Confidence: high. · Confidence scores are heuristic. Verify before acting on results.
CVE
Known vulnerability being actively exploited in the wild.
MISP Category
vulnerability
EPSS Score
88.06%
EPSS Percentile
99.5th
Confidence
84%
Signal Score
79 / 100
IDS Rule
No
CVE Intelligence
Exploit Probability88.06%
99.5th percentile of all CVEs

Activity Timeline

12 total obs
Oct 9May 29

Threat Activity Heatmap

· Peak: 2026-09-21
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24h
0
Dormant
7d
1
Minimal
30d
8
Elevated
3mo
11
Elevated
Threat ScoreHigh Risk
79
SIGNAL
Signal Score
84%
Confidence
12
Reports
First seenJun 2, 2026
Last seenOct 10, 2026
Verified IOC

VirusTotal

Not checked

Export & API

STIX 2.1 Bundle
CSV Export
Permalink

IOC Journey

high
First detected 4 months ago · Last seen 3 days ago
Appeared in 12 threat reports from 10 sources
Associated with: BlackCat, Scattered Spider, NoName057, APT41, Akira, Royal, Conti, LockBit, Killnet, TA577, REvil, Gamaredon, APT38, APT28, APT33, APT35, Cl0p, DEV-0569, APT37, APT29, APT34, Salt Typhoon, FIN8, MuddyWater, UNC1549, Turla, Play, Hive, Kimsuky, APT31, TA412, Black Basta, Volt Typhoon, Ember Bear, DarkSide, Lazarus Group, Sandworm
Used by malware: Hive, Remcos, Play, Akira, Rhysida, Bumblebee, LockBit, Medusa, Stealc, Black Basta, Mirai, QakBot, Vidar, XWorm, BlackCat, AsyncRAT, Conti, Royal, DarkSide, Fscan, Mimikatz, Cobalt Strike, META Stealer, Rhadamanthys, Gh0st RAT, Emotet, Lumma, SocGholish, Mythic, Ursnif, BazarLoader, AcidRain, INC Ransom, NotPetya, IcedID, RedLine, PlugX, CaddyWiper, REvil, Brute Ratel, WhisperGate, Cl0p, HermeticWiper, NjRAT