Potential JLI.dll Side-Loading
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About the rule
Rule Type
Standard
Rule Description
Detects potential DLL side-loading of jli.dll. JLI.dll has been observed being side-loaded by Java processes by threat actors such as APT41 and XWorm to load malicious payloads under legitimate Java context.
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Image Loaded" AND (OBJECTNAME endswith "\jli.dll" AND OBJECTNAME notcontains "\Program Files\,Program Files (x86)" AND PRODUCT_NAME notstartswith "OpenJDK Platform" AND OBJECTNAME notcontains "\eclipse\plugins")
select Action1.HOSTNAME,Action1.MESSAGE,Action1.PROCESSNAME,Action1.PRODUCT_NAME,Action1.OBJECTNAME,Action1.SIGNATURE,Action1.SIGNATURESTATUS
Detection
Execution Mode
realtime
Log Sources
Windows
Author
@Swachchhanda Shrawan Poudel (Nextron Systems)
