Remote Access Tool - ScreenConnect Potential Suspicious Remote Command Execution

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About the rule

Rule Type

Standard

Rule Description

Detects potentially suspicious child processes launched via the ScreenConnect client service.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PARENTPROCESSCOMMANDLINE contains ":\Windows\TEMP\ScreenConnect" AND PARENTPROCESSCOMMANDLINE contains "run.cmd") AND PROCESSNAME endswith "\bitsadmin.exe,\cmd.exe,\curl.exe,\dllhost.exe,\net.exe,\nltest.exe,\powershell.exe,\pwsh.exe,\rundll32.exe,\wevtutil.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

Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems), @Kostastsale