alert smb any any -> $HOME_NET any (msg:"Stamus Networks MS-LSAD service - LsarCreateTrustedDomain"; flow:to_server, established; dcerpc.iface:12345778-1234-ABCD-EF00-0123456789AB; dcerpc.opnum:12; flowbits:set,stamus.lsad.service.LsarCreateTrustedDomain; metadata:lateral_key dcerpc.iface, lateral_function LsarCreateTrustedDomain, lateral_asset src_ip, stamus_classification lateral, provider Stamus, created_at 2022_04_02, updated_at 2024_08_05, source smb_lateral, signature_severity Critical; target:dest_ip; sid:3115263; rev:4; reference:url,https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-lsad/2c6f3cf9-d792-4e8b-9af5-5470f636c20a; reference:url,https://www.stamus-networks.com/blog/new-open-ruleset-for-detecting-lateral-movement-with-suricata; reference:url,https://www.stamus-networks.com/blog/threat-hunting-with-the-open-lateral-movement-ruleset-for-suricata;)