CVE-2023-22518 Exploitation Attempt - Suspicious Confluence Child Process (Windows)

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About the rule

Rule Type

Standard

Rule Description

Detects exploitation attempt of CVE-2023-22518 (Confluence Data Center / Confluence Server), where an attacker can exploit vulnerable endpoints to e.g. create admin accounts and execute arbitrary commands.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PARENTPROCESSNAME endswith "\tomcat8.exe,\tomcat9.exe,\tomcat10.exe" AND PARENTPROCESSCOMMANDLINE contains "confluence") AND (PROCESSNAME endswith "\cmd.exe,\powershell.exe" OR ORIGINALFILENAME = "Cmd.Exe,PowerShell.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

Andreas Braathen (mnemonic.io)