Potentially Suspicious Rundll32 Activity
Detects suspicious execution of rundll32, with specific calls to some DLLs with known LOLBIN functionalities
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
- False positives depend on scripts and administrative tools used in the monitored environment
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.hexacorn.com/blog/2017/05/01/running-programs-via-proxy-jumping-on-a-edr-bypass-trampoline/ | Only this detection cites it |
| gist.github.com/ryhanson/227229866af52e2d963cf941af135a52 | Only this detection cites it |
| twitter.com/Hexacorn/status/885258886428725250 | Only this detection cites it |
| twitter.com/eral4m/status/1479080793003671557 | Only this detection cites it |
| twitter.com/eral4m/status/1479106975967240209 | Only this detection cites it |
| twitter.com/nas_bench/status/1433344116071583746 | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- e593cf51-88db-4ee1-b920-37e89012a3c9
- Tagged by the source as
- attack.stealth
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Published
- Sep 4, 2026
- Version
- 2