LSASS Process Memory Dump Files
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About the rule
Rule Type
Standard
Rule Description
Detects creation of files with names used by different memory dumping tools to create a memory dump of the LSASS process memory, which contains user credentials.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "File Created or Modified" AND (FILENAME endswith "\Andrew.dmp,\Coredump.dmp,\lsass.dmp,\lsass.rar,\lsass.zip,\NotLSASS.zip,\PPLBlade.dmp,\rustive.dmp" OR OBJECTNAME endswith "\Andrew.dmp,\Coredump.dmp,\lsass.dmp,\lsass.rar,\lsass.zip,\NotLSASS.zip,\PPLBlade.dmp,\rustive.dmp") OR (FILENAME contains "\lsass_2,\lsassdmp,\lsassdump" OR OBJECTNAME contains "\lsass_2,\lsassdmp,\lsassdump") OR ((FILENAME contains "\lsass" AND FILENAME contains ".dmp") OR (OBJECTNAME contains "\lsass" AND OBJECTNAME contains ".dmp")) OR ((FILENAME contains "SQLDmpr" OR OBJECTNAME contains "SQLDmpr") AND (FILENAME endswith ".mdmp" OR OBJECTNAME endswith ".mdmp")) OR ((FILENAME contains "\nanodump,\proc_" OR OBJECTNAME contains "\nanodump,\proc_") AND (FILENAME endswith ".dmp" OR OBJECTNAME endswith ".dmp")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Florian Roth (Nextron Systems)
