Potential Suspicious PowerShell Keywords
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About the rule
Rule Type
Standard
Rule Description
Detects potentially suspicious keywords that could indicate the use of a PowerShell exploitation framework
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "PowerShell Script Block Logged" AND SCRIPTEXECUTED contains "System.Reflection.Assembly.Load($,[System.Reflection.Assembly]::Load($,[Reflection.Assembly]::Load($,System.Reflection.AssemblyName,Reflection.Emit.AssemblyBuilderAccess,Reflection.Emit.CustomAttributeBuilder,Runtime.InteropServices.UnmanagedType,Runtime.InteropServices.DllImportAttribute,SuspendThread,rundll32" select Action1.HOSTNAME,Action1.MESSAGE,Action1.SCRIPTEXECUTED
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Florian Roth (Nextron Systems), Perez Diego (@darkquassar), Tuan Le (NCSGroup)
