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MediumSplunk security contentTeoderick Contreras +1

Recon AVProduct Through Pwh or WMI

The following analytic detects suspicious PowerShell script execution via EventCode 4104, specifically targeting checks for installed anti-virus products using WMI or PowerShell commands. This detection leverages…

Description

The following analytic detects suspicious PowerShell script execution via EventCode 4104, specifically targeting checks for installed anti-virus products using WMI or PowerShell commands. This detection leverages PowerShell Script Block Logging to identify scripts containing keywords like "SELECT," "WMIC," "AntiVirusProduct," or "AntiSpywareProduct." This activity is significant as it is commonly used by malware and APT actors to map running security applications or services, potentially aiding in evasion techniques. If confirmed malicious, this could allow attackers to disable or bypass security measures, leading to further compromise of the endpoint.

Detection logic

Detection requirements

Platform
PRE

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source category
powershell_script_block_logging_4104

Known benign triggers

  • network administrator may used this command for checking purposes

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