Mstsc.EXE Execution From Uncommon Parent

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About the rule

Rule Type

Standard

Rule Description

Detects potential RDP connection via Mstsc using a local ".rdp" file located in suspicious locations.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND PARENTPROCESSNAME endswith "\brave.exe,\CCleanerBrowser.exe,\chrome.exe,\chromium.exe,\firefox.exe,\iexplore.exe,\microsoftedge.exe,\msedge.exe,\opera.exe,\vivaldi.exe,\whale.exe,\outlook.exe" AND (PROCESSNAME endswith "\mstsc.exe" OR ORIGINALFILENAME = "mstsc.exe") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Nasreddine Bencherchali (Nextron Systems)