Potential Credential Dumping Via LSASS SilentProcessExit Technique
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About the rule
Rule Type
Standard
Rule Description
Detects changes to the Registry in which a monitor program gets registered to dump the memory of the lsass.exe process
Severity
Critical
Rule Requirement
Criteria
Action1: actionname = "Registry Event" AND OBJECTNAME contains "Microsoft\Windows NT\CurrentVersion\SilentProcessExit\lsass.exe" OR (OBJECTNAME endswith "Microsoft\Windows NT\CurrentVersion\SilentProcessExit" AND OBJECTVALUENAME startswith "lsass.exe") select Action1.HOSTNAME,Action1.MESSAGE,Action1.PROCESSNAME,Action1.OBJECTNAME,Action1.OBJECTVALUENAME,Action1.ACCESSES,Action1.USERNAME,Action1.DOMAIN,Action1.PREVVAL,Action1.CHANGES,Action1.INFORMATION
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Florian Roth (Nextron Systems)


