WMI Backdoor Exchange Transport Agent
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About the rule
Rule Type
Standard
Rule Description
Detects a WMI backdoor in Exchange Transport Agents via WMI event filters
Severity
Critical
Rule Requirement
Criteria
Action1: actionname = "Process started" AND PARENTPROCESSNAME endswith "\EdgeTransport.exe" AND (PROCESSNAME != "C:\Windows\System32\conhost.exe" AND (PROCESSNAME notstartswith "C:\Program Files\Microsoft\Exchange Server" OR PROCESSNAME notendswith "\Bin\OleConverter.exe")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Florian Roth (Nextron Systems)
