Suspicious SELinux Policy Module Loading to Whitelist Linux Implant (via process_creation)

ATT&CK techniques

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

What it detects

This rule detects use of audit2allow to build a custom SELinux module and semodule to load it, the defense-evasion behavior APT28 used in Operation Roundish to permit its implant under SELinux. Adversaries leverage generated policy modules to silence SELinux denials that would otherwise block malicious activity.

Reporting behind it

Related detections9 linkedT1685 — drag to rearrange

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Malicious Wdigest Authentication Enabled - Reg via Command (via process_creation)

Suspicious SELinux Policy Module Loading to Whitelist Linux Implant (via process_creation)

Pivot detection · T1685 · 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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