alert smb any any -> $HOME_NET any (msg:"Stamus Networks MS-SRVS service - NetrDfsSetLocalVolumeState"; flow:to_server, established; dcerpc.iface:4b324fc8-1670-01d3-1278-5a47bf6ee188; dcerpc.opnum:46; flowbits:set,stamus.srvs.service.NetrDfsSetLocalVolumeState; metadata:lateral_key dcerpc.iface, lateral_function NetrDfsSetLocalVolumeState, 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:3115365; rev:4; reference:url,https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-srvs/024b85f6-ff6b-4ec6-afca-0f7a582ff119; 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;)