HackTool - KrbRelay Execution
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About the rule
Rule Type
Standard
Rule Description
Detects the use of KrbRelay, a Kerberos relaying tool
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND (PROCESSNAME endswith "\KrbRelay.exe" OR ORIGINALFILENAME = "KrbRelay.exe") OR (COMMANDLINE contains " -spn " AND COMMANDLINE contains " -clsid " AND COMMANDLINE contains " -rbcd ") OR (COMMANDLINE contains "shadowcred" AND COMMANDLINE contains "clsid" AND COMMANDLINE contains "spn") OR (COMMANDLINE contains "spn " AND COMMANDLINE contains "session " AND COMMANDLINE contains "clsid ")
select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME,Action1.DOMAIN,Action1.ORIGINALFILENAME,Action1.PARENTPROCESSID,Action1.PROCESSID,Action1.PRODUCT_NAME,Action1.SECURITYID
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Florian Roth (Nextron Systems)
