Potential Process Injection Via Msra.EXE
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About the rule
Rule Type
Standard
Rule Description
Detects potential process injection via Microsoft Remote Asssistance (Msra.exe) by looking at suspicious child processes spawned from the aforementioned process. It has been a target used by many threat actors and used for discovery and persistence tactics
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND PARENTPROCESSNAME endswith "\msra.exe" AND PARENTPROCESSCOMMANDLINE endswith "msra.exe" AND PROCESSNAME endswith "\arp.exe,\cmd.exe,\net.exe,\netstat.exe,\nslookup.exe,\route.exe,\schtasks.exe,\whoami.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
Alexander McDonald
