HTML Help HH.EXE Suspicious Child Process
Detects a suspicious child process of a Microsoft HTML Help (HH.exe)
Detection logic
Detection requirements
- Platform
- Identity ProviderLinuxmacOSOffice SuiteSaaSWindows
The rule states no platform. This is derived from the 4 ATT&CK techniques 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/elastic/protections-artifacts/commit/746086721fd385d9f5c6647cada1788db4aea95f#diff-27939090904026cc396b0b629c8e4314acd6f5dac40a676edbc87f4567b47eb7 | 11 |
| www.ptsecurity.com/ww-en/analytics/pt-esc-threat-intelligence/higaisa-or-winnti-apt-41-backdoors-old-and-new/ | 5from 2 sources |
| www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/chm-badness-delivers-a-banking-trojan/ | 2 |
| www.zscaler.com/blogs/security-research/unintentional-leak-glimpse-attack-vectors-apt37 | 4 |
From the source
- At source
- Open at source
- Upstream identifier
- 52cad028-0ff0-4854-8f67-d25dfcbc78b4
- Tagged by the source as
- attack.executionattack.initial-accessattack.stealth
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Published
- Aug 26, 2026
- Version
- 1