Rule History

alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Remcos 3.x Unencrypted Checkin"; flow:established,to_server; content:"|24 04 ff 00|"; startswith; content:"|4b 00 00 00|"; distance:4; within:4; content:"|7c 1e 1e 1f 7c|"; distance:0; fast_pattern; reference:md5,d27f70216d11b769c937a961fc1b1c81; classtype:command-and-control; sid:2032776; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_04_16, deployment Perimeter, malware_family Remcos, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_16;)