alert smb any any -> $HOME_NET any (msg:"ET EXPLOIT Possible ETERNALBLUE Probe MS17-010 (Generic Flags)"; flow:established,to_server; content:"|ff|SMB|25 00 00 00 00|"; offset:4; depth:9; content:"|00 00 00 00 00 00 00 00 00 00|"; distance:5; within:10; content:"|23 00 00 00 07 00 5c 50 49 50 45 5c 00|"; fast_pattern; endswith; threshold:type limit, track by_src, count 1, seconds 30; reference:url,github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/smb/smb_ms17_010.rb; classtype:trojan-activity; sid:2025992; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_08_15, deployment Perimeter, malware_family ETERNALBLUE, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_07;)