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2 malware families

C0d0so

Also known asC0d0so
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MITRE ATT&CK

Tradecraft

2 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.

2 of 15 tactics3 techniques×N= number of intelligence reports citing this technique
MITRE ATT&CK
TA0001
Initial Access
1 technique
T1189
Drive-by Compromise
TA0011
Command and Control
1 technique
T1568
Dynamic Resolution
T1568.002
Domain Generation Algorithms
ARSENAL

Associated malware families

2 malware families attributed to this actor across reporting.

FamilyContextEvidenceLast seen
BergardThe Bergard Trojan and the C0d0so group that made it famous with the November 2014 watering hole attack via Forbes.com have received renewed attention recently... In one instance related to this cluster of activity, we observed Bergard ... receive instructions from its C2 to retrieve a PNG file containing an encoded PlugX payload.1May 31, 2026
CustomTCPSeveral items of importance were located in this archive... a custom Trojan (aka, CustomTCP) that beacons to port 22... The CustomTCP Trojan was covered in a recent article and tentatively attributed to C0d0s0, while also explaining the same similarities we discussed earlier to the November 2014 Forbes watering hole attack.1May 31, 2026
ACTIVITY FEED

Recent activity

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Target overlap

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Tradecraft mapping2

Every observed MITRE ATT&CK technique, grouped by tactic.

Malware arsenal2

Families this actor is known to deploy, with IOCs and behavior.

Exploited CVEs

CVEs this actor has used in known campaigns.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Observables

Domains, IPs, and hashes tied to this actor, refreshed continuously.