Suspicious dirty_sock Local Account Artifact From Snapd Privilege Escalation (via process_creation)

ATT&CK techniques

Persistence → Priv Esc

Recon
Resource Dev
Initial Access
Execution
Persistence
- T1136.001Local Account
Priv Esc
- T1068Exploitation for Privilege Escalation
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects command lines referencing the dirty_sock account name created by the Dirty Sock snapd privilege escalation exploit. The public proof of concept abuses the snapd /v2/create-user API to add a local user able to escalate via sudo. Detecting the default dirty_sock artifact flags exploitation of the snapd local privilege escalation vulnerability.

Reporting behind it

Related detections9 linkedT1068 — drag to rearrange

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Possible noPac sAMAccountName Spoofing via Machine Account Rename

Suspicious dirty_sock Local Account Artifact From Snapd Privilege Escalation (via process_creation)

Pivot detection · T1068 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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