Merge pull request #3788 from frack113/japan

Add image_load_side_load_jsschhlp
2022-12-15 06:31:47 +01:00
parent 18132ed085 cc658743e6
commit 4253d5a4be
1 changed files with 27 additions and 0 deletions
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+title: Potential DLL Sideloading Via JsSchHlp
+id: 68654bf0-4412-43d5-bfe8-5eaa393cd939
+status: experimental
+description: Detects potential DLL sideloading using JUSTSYSTEMS Japanese word processor
+references:
+    - https://www.welivesecurity.com/2022/12/14/unmasking-mirrorface-operation-liberalface-targeting-japanese-political-entities/
+    - http://www.windowexe.com/bbs/board.php?q=jsschhlp-exe-c-program-files-common-files-justsystem-jsschhlp-jsschhlp
+author: frack113
+date: 2022/12/14
+tags:
+    - attack.defense_evasion
+    - attack.persistence
+    - attack.privilege_escalation
+    - attack.t1574.001
+    - attack.t1574.002
+logsource:
+    category: image_load
+    product: windows
+detection:
+    selection:
+        ImageLoaded|endswith: '\JSESPR.dll'
+    filter:
+        ImageLoaded|startswith: 'C:\Program Files\Common Files\Justsystem\JsSchHlp\'
+    condition: selection and not filter
+falsepositives:
+    - Unknown
+level: medium