Suspicious PG_MEM Payload Drop in PostgreSQL Data Directory (via file_event)

ATT&CK techniques

C2

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
- T1105Ingress Tool Transfer
Exfiltration
Impact

What it detects

This rule detects the PG_MEM malware writing its pg_core loader and pg_mem payload into the PostgreSQL data directory after gaining code execution through the database. Executables written under the postgres data directory are highly abnormal and indicate compromise.

Reporting behind it

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Suspicious PG_MEM Payload Drop in PostgreSQL Data Directory (via file_event)

Pivot detection · T1105 · 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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