AspNetCompiler Execution

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About the rule

Rule Type

Standard

Rule Description

Detects execution of "aspnet_compiler.exe" which can be abused to compile and execute C# code.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND PROCESSNAME contains ":\Windows\Microsoft.NET\Framework\,:\Windows\Microsoft.NET\Framework64\,:\Windows\Microsoft.NET\FrameworkArm\,:\Windows\Microsoft.NET\FrameworkArm64" AND PROCESSNAME endswith "\aspnet_compiler.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

frack113