Microsoft IIS Service Account Password Dumped

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About the rule

Rule Type

Standard

Rule Description

Detects the Internet Information Services (IIS) command-line tool, AppCmd, being used to list passwords

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND ((PROCESSNAME endswith "\appcmd.exe" OR ORIGINALFILENAME = "appcmd.exe") AND COMMANDLINE contains "list ") AND (COMMANDLINE contains " /config, /xml, -config, -xml" OR (COMMANDLINE contains " /@t, /text, /show, -@t, -text, -show" AND COMMANDLINE contains ":\*,password")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Tim Rauch, Janantha Marasinghe, Elastic (original idea)