alert smb any any -> $HOME_NET any (msg:"ET EXPLOIT Possible ETERNALBLUE Exploit M3 MS17-010"; flow:to_server,established; content:"|ff|SMB|32 00 00 00 00 18 07 c0|"; offset:4; depth:12; content:"|00 00 00 00 00 00 00 00 00 00 00 08 ff fe 00 08|"; distance:2; within:16; fast_pattern; content:"|0f 0c 00 00 10 01 00 00 00 00 00 00 00 f2 00 00 00 00 00 0c 00 42 00 00 10 4e 00 01 00 0e 00 0d 10 00|"; distance:2; within:34; isdataat:1000,relative; threshold:type both, track by_src, count 10, seconds 1; classtype:trojan-activity; sid:2024430; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_06_27, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Critical, updated_at 2019_07_26;)