Suspicious COM Hijack via CLSID InprocServer32 Pointing to Writable Path (via registry_set)

ATT&CK techniques

Persistence → Priv Esc

Recon
Resource Dev
Initial Access
Execution
Persistence
- T1546.015Component Object Model Hijacking
Priv Esc
- T1546.015Component Object Model Hijacking
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects a CLSID InprocServer32 registry value being pointed at a DLL in a user-writable directory such as Temp, AppData or ProgramData. VanHelsing hijacks COM objects by redirecting their server registration to attacker-controlled files, so a CLSID handler in a writable path indicates persistence via COM hijacking.

Reporting behind it

Related detections9 linkedT1546.015 — drag to rearrange

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Suspicious COM Hijack via CLSID InprocServer32 Pointing to Writable Path (via registry_set)

Pivot detection · T1546.015 · 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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