Suspicious Windows Defender Registry Key Tampering Via Reg.EXE
Detects the usage of "reg.exe" to tamper with different Windows Defender registry keys in order to disable some important features related to protection and detection
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
- process_creation
Known benign triggers
- Rare legitimate use by administrators to test software (should always be investigated)
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 |
|---|---|
| github.com/swagkarna/Defeat-Defender-V1.2.0/tree/ae4059c4276da6f6303b8f53cdff085ecae88a91 | Only this detection cites it |
| thedfirreport.com/2022/03/21/apt35-automates-initial-access-using-proxyshell/ | 4from 2 sources |
| tria.ge/241231-j9yatstqbm/behavioral1 | Only this detection cites it |
| www.elevenforum.com/t/video-guide-how-to-completely-disable-microsoft-defender-antivirus.14608/page-2 | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- 452bce90-6fb0-43cc-97a5-affc283139b3
- Tagged by the source as
- attack.defense-impairment
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Aug 26, 2026
- Version
- 1