AMSI Disabled via Registry Modification
Detects attempts to disable AMSI (Anti-Malware Scan Interface) by modifying the AmsiEnable registry value. Anti-Malware Scan Interface (AMSI) is a security feature in Windows that allows applications and services to…
Description
Detects attempts to disable AMSI (Anti-Malware Scan Interface) by modifying the AmsiEnable registry value. Anti-Malware Scan Interface (AMSI) is a security feature in Windows that allows applications and services to integrate with anti-malware products for enhanced protection against malicious content. Adversaries may attempt to disable AMSI to evade detection by security software, allowing them to execute malicious scripts or code without being scanned.
Detection logic
Detection requirements
- Platform
- ContainersESXiIaaSLinuxmacOSNetwork DevicesWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source product
- windows
- Log source category
- registry_set
Known benign triggers
- Unlikely
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
References
| Reference | Cited by |
|---|---|
| docs.microsoft.com/en-us/windows/win32/amsi/antimalware-scan-interface-portal | 2from 2 sources |
| mostafayahiax.medium.com/hunting-for-amsi-bypassing-methods-9886dda0bf9d | 2 |
| www.mdsec.co.uk/2019/02/macros-and-more-with-sharpshooter-v2-0/ | 2 |
From the source
- At source
- Open at source
- Upstream identifier
- aa37cbb0-da36-42cb-a90f-fdf216fc7467
- Tagged by the source as
- attack.defense-impairment
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Published
- Aug 26, 2026
- Version
- 1