Potential CVE-2022-26809 Exploitation Attempt via RPC Service Child Process

SigmaHQ Detections@sigmaHQ

•updated Aug 12, 2024•2•0•28

This rule detects the creation of a new process where the parent process is 'svchost.exe' with the command line containing '-k RPCSS'. This specific parent process signature is associated with the Remote Procedure Call (RPC) service. The rule aims to identify unusual child processes spawned by the RPC service, which could indicate an exploitation attempt of vulnerabilities like CVE-2022-26809. It's considered a 'long shot' detection, meaning it targets anomalous behavior rather than a direct exploit signature.