WSUS Service Exploitation - Suspicious Child Processes (CVE-2025-59287)
This rule detects suspicious child processes spawned by 'WsusService.exe', which is indicative of successful exploitation of a vulnerability like CVE-2025-59287. The rule specifically looks for the WSUS service initiating common command-line utilities such as cmd.exe, powershell.exe, curl.exe, wget.exe, certutil.exe, bitsadmin.exe, and msiexec.exe, which are often used for post-exploitation activities like command execution, downloading additional payloads, or system manipulation. The severity is dynamically assigned based on the spawned process, with download utilities like curl.exe, certutil.exe, and bitsadmin.exe being flagged as 'Critical'.
Microsoft Sentinel (KQL)
