Powershell MsXml COM Object

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About the rule

Rule Type

Standard

Rule Description

Adversaries may abuse PowerShell commands and scripts for execution. PowerShell is a powerful interactive command-line interface and scripting environment included in the Windows operating system. (Citation: TechNet PowerShell) Adversaries can use PowerShell to perform a number of actions, including discovery of information and execution of code

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "PowerShell Script Block Logged" AND SCRIPTEXECUTED contains "New-Object" AND SCRIPTEXECUTED contains "-ComObject" AND SCRIPTEXECUTED contains "MsXml2." AND SCRIPTEXECUTED contains "XmlHttp" select Action1.HOSTNAME,Action1.MESSAGE,Action1.SCRIPTEXECUTED

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113, MatilJ