Uncommon Child Process Of AddinUtil.EXE
Detects uncommon child processes of the Add-In deployment cache updating utility (AddInutil.exe) which could be a sign of potential abuse of the binary to proxy execution via a custom Addins.Store payload.
Detection logic
Detection requirements
- Platform
- LinuxmacOSWindows
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 |
|---|---|
| www.blue-prints.blog/content/blog/posts/lolbin/addinutil-lolbas.html | 6from 2 sources |
From the source
- At source
- Open at source
- Upstream identifier
- b5746143-59d6-4603-8d06-acbd60e166ee
- Tagged by the source as
- attack.stealth
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Published
- Aug 26, 2026
- Version
- 1