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MediumSplunk security contentSteven Dick +1

Windows Process With NetExec Command Line Parameters

The following analytic detects the use of NetExec (formally CrackmapExec) a toolset used for post-exploitation enumeration and attack within Active Directory environments through command line parameters. It leverages…

Description

The following analytic detects the use of NetExec (formally CrackmapExec) a toolset used for post-exploitation enumeration and attack within Active Directory environments through command line parameters. It leverages Endpoint Detection and Response (EDR) data to identify specific command-line arguments associated with actions like ticket manipulation, kerberoasting, and password spraying. This activity is significant as NetExec is used by adversaries to exploit Kerberos for privilege escalation and lateral movement. If confirmed malicious, this could lead to unauthorized access, persistence, and potential compromise of sensitive information within the network.

Detection logic

Detection requirements

Platform
Windows

The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.

Log source category
crowdstrike_processrollup2sysmon_eventid_1windows_event_log_security_4688

Known benign triggers

  • Although unlikely, legitimate applications may use the same command line parameters as NetExec. Filter as needed.

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