Potential DLL Sideloading Via JsSchHlp
Detects potential DLL sideloading using JUSTSYSTEMS Japanese word processor
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
- image_load
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 |
|---|---|
| www.windowexe.com/bbs/board.php?q=jsschhlp-exe-c-program-files-common-files-justsystem-jsschhlp-jsschhlp | Only this detection cites it |
| www.welivesecurity.com/2022/12/14/unmasking-mirrorface-operation-liberalface-targeting-japanese-political-entities/ | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- 68654bf0-4412-43d5-bfe8-5eaa393cd939
- Tagged by the source as
- attack.executionattack.persistenceattack.privilege-escalationattack.stealth
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Aug 26, 2026
- Version
- 1