Remote CHM File Download/Execution Via HH.EXE
Detects the usage of "hh.exe" to execute/download remotely hosted ".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
- 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/1cf4dd51f83dcb0ebe6ade902d6157ad2dbc6ac8/atomics/T1218.001/T1218.001.md | Only this detection cites it |
| www.splunk.com/en_us/blog/security/follina-for-protocol-handlers.html | 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
- f57c58b3-ee69-4ef5-9041-455bf39aaa89
- 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