Malicious VoidLink Rootkit Dropper Artifacts via Filesystem (via file_event)

ATT&CK techniques

Defense Evasion

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
- T1014Rootkit
- T1027Obfuscated Files or Information
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects the creation of VoidLink dropper artifacts prefixed with vl in temporary and shared memory directories on Linux hosts. The VoidLink rootkit stages its components as hidden vl_ files under /tmp and /dev/shm before loading its kernel module. Files matching this naming pattern indicate rootkit staging activity.

Reporting behind it

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Malicious VoidLink Rootkit Dropper Artifacts via Filesystem (via file_event)

Pivot detection · T1027 · 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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