Suspicious Shell Profile Persistence via bashrc Modification

ATT&CK techniques

Persistence → Priv Esc

Recon
Resource Dev
Initial Access
Execution
Persistence
- T1546.004Unix Shell Configuration Modification
Priv Esc
- T1546.004Unix Shell Configuration Modification
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects a command appending content to a user .bashrc file, a persistence technique that executes attacker code each time an interactive shell starts. The PoC exploit backdoor uses this to relaunch itself and maintain access across sessions.

Reporting behind it

Related detections5 linkedT1546.004 — drag to rearrange

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Linux Auditd: Unix Shell Configuration File Modification

Suspicious Shell Profile Persistence via bashrc Modification

Pivot detection · T1546.004 · 5 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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