Dynamic .NET Compilation Via Csc.EXE - Hunting
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About the rule
Rule Type
Standard
Rule Description
Detects execution of "csc.exe" to compile .NET code. Attackers often leverage this to compile code on the fly and use it in other stages.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND PROCESSNAME endswith "\csc.exe" AND COMMANDLINE contains "/noconfig /fullpaths @" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems)
