Uncommon Child Process Of AddinUtil.EXE
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About the rule
Rule Type
Standard
Rule Description
Detects uncommon child processes of the Add-In deployment cache updating utility (AddInutil.exe) which could be a sign of potential abuse of the binary to proxy execution via a custom Addins.Store payload.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND PARENTPROCESSNAME endswith "\addinutil.exe" AND PROCESSNAME notendswith ":\Windows\System32\conhost.exe,:\Windows\System32\werfault.exe,:\Windows\SysWOW64\werfault.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
Michael McKinley (@McKinleyMike), Tony Latteri (@TheLatteri)
