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Windows RDP Client Launched with Admin Session

This detection identifies the execution of the Windows Remote Desktop Client (mstsc.exe) with the "/v" and /admin command-line arguments. The "/v" flag specifies the remote host to connect to, while the /admin flag…

Description

This detection identifies the execution of the Windows Remote Desktop Client (mstsc.exe) with the "/v" and /admin command-line arguments. The "/v" flag specifies the remote host to connect to, while the /admin flag initiates a connection to the target system’s console session, often used for administrative purposes. This combination may indicate that a user or attacker is performing privileged remote access, potentially to manage a system without disrupting existing user sessions. While such usage may be legitimate for IT administrators, it is less common in typical user behavior. Threat actors may abuse this capability during lateral movement to maintain stealthy access to high-value systems. Monitoring for this pattern can help detect interactive hands-on-keyboard activity, privilege abuse, or attempts to access critical infrastructure without leaving typical login traces associated with non-admin RDP sessions.

Detection logic

Detection requirements

Platform
Windows

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

Log source category
sysmon_eventid_1

Known benign triggers

  • False positives will be present, filter as needed or restrict to critical assets on the perimeter.

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