alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE BleachGap Ransomware Checkin (POST)"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"|22|username|22 3a 20 22|BleachGap|20|"; content:"|22|name|22 3a 20 22|Hacker$quad|22|"; content:"discord.gg"; reference:md5,4809f621c6dbaf0c93f1a92def0f592e; classtype:trojan-activity; sid:2033902; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_09_07, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_07, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)