Terminal Service Process Spawn

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About the rule

Rule Type

Standard

Rule Description

Detects a process spawned by the terminal service server process (this could be an indicator for an exploitation of CVE-2019-0708)

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PARENTPROCESSCOMMANDLINE contains "\svchost.exe" AND PARENTPROCESSCOMMANDLINE contains "termsvcs") AND (PROCESSNAME notendswith "\rdpclip.exe,:\Windows\System32\csrss.exe,:\Windows\System32\wininit.exe,:\Windows\System32\winlogon.exe" AND isExist(PROCESSNAME)) 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)