alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MSIL/HadesLocker Ransomware Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; http.request_body; content:"hwid="; depth:5; fast_pattern; content:"&tracking_id="; distance:0; content:"&usercomputername="; distance:0; content:"&ip="; distance:0; http.header_names; content:!"Referer|0d 0a|"; content:!"User-Agent|0d 0a|"; content:!"|0d 0a|Accept"; reference:md5,6970847bedab9ab83e69630d065ba67b; classtype:command-and-control; sid:2023481; rev:3; metadata:attack_target Client_Endpoint, created_at 2016_10_04, deployment Perimeter, malware_family Ransomware, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_07_31, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)