HH.EXE Execution
Detects the execution of "hh.exe" to open ".chm" files.
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 are expected with legitimate ".CHM"
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 |
|---|---|
| eqllib.readthedocs.io/en/latest/analytics/b25aa548-7937-11e9-8f5c-d46d6d62a49e.html | Only this detection cites it |
| github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1218.001/T1218.001.md | Only this detection cites it |
| www.zscaler.com/blogs/security-research/unintentional-leak-glimpse-attack-vectors-apt37 | 4 |
From the source
- At source
- Open at source
- Upstream identifier
- 68c8acb4-1b60-4890-8e82-3ddf7a6dba84
- 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