alert smb any any -> $HOME_NET any (msg:"Stamus Networks MS-FASP service - RRPC_FWAddAuthenticationSet2_10"; flow:to_server, established; dcerpc.iface:6b5bdd1e-528c-422c-af8c-a4079be4fe48; dcerpc.opnum:52; flowbits:set,stamus.fasp.service.RRPC_FWAddAuthenticationSet2_10; metadata:lateral_key dcerpc.iface, lateral_function RRPC_FWAddAuthenticationSet2_10, lateral_asset src_ip, stamus_classification lateral, provider Stamus, created_at 2022_04_03, updated_at 2024_08_05, source smb_lateral, signature_severity Informational; target:dest_ip; sid:3115430; rev:4; reference:url,https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-fasp/b0c93352-8371-4d63-abca-b0cc8dbcc3d7; 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;)