Potential Persistence Via CHM Helper DLL
Detects when an attacker modifies the registry key "HtmlHelp Author" to achieve persistence
Detection logic
Detection requirements
- Log source product
- windows
- Log source category
- registry_set
Known benign triggers
- Unknown
MITRE ATT&CK mappings
Not mapped to ATT&CK.
References
| Reference | Cited by |
|---|---|
| persistence-info.github.io/Data/htmlhelpauthor.html | Only this detection cites it |
| www.hexacorn.com/blog/2018/04/22/beyond-good-ol-run-key-part-76/ | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- 976dd1f2-a484-45ec-aa1d-0e87e882262b
- Tagged by the source as
- attack.persistence
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Published
- Aug 26, 2026
- Version
- 1