DllUnregisterServer Function Call Via Msiexec.EXE
Detects MsiExec loading a DLL and calling its DllUnregisterServer function
Detection logic
Detection requirements
- Platform
- Windows
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
- Unknown
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/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1218.007/T1218.007.md | 5 |
| lolbas-project.github.io/lolbas/Binaries/Msiexec/ | Only this detection cites it |
| twitter.com/_st0pp3r_/status/1583914515996897281 | 2 |
From the source
- At source
- Open at source
- Upstream identifier
- 84f52741-8834-4a8c-a413-2eb2269aa6c8
- Tagged by the source as
- attack.stealth
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Aug 26, 2026
- Version
- 1