Malicious Vulnerable Driver Load for BYOVD Defense Evasion (via image_load)

ATT&CK techniques

Priv Esc

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
- T1068Exploitation for Privilege Escalation
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects loading of the rwdrv.sys, hlpdrv.sys and churchill_driver.sys kernel drivers abused in bring-your-own-vulnerable-driver attacks. Akira ransomware operators loaded these drivers to disable endpoint protection and tamper with security product access controls prior to encryption.

Reporting behind it

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Malicious Vulnerable Driver Load for BYOVD Defense Evasion (via image_load)

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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