alert tcp any any -> any [139,445] (
msg:"ET CURRENT_EVENTS [Fireeye] M.HackTool.SMB.Impacket-Obfuscation.[Service Names] M4";
content:"|ff 53 4d 42|"; offset:4; depth:4;
content:"|4f 00 66 00 66 00 69 00 63 00 65 00 20 00 33 00 36 00 35 00 20 00 50 00 72 00 6f 00 78 00 79|"; distance:0; fast_pattern;
reference:url,github.com/fireeye/red_team_tool_countermeasures;
classtype:trojan-activity;
sid:2031303; rev:2;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_12_08, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_12_08;
)