Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Jasmin Ransomware C2 Checkin"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"machine_name="; startswith; fast_pattern; content:"&computer_user="; nocase; distance:0; content:"&systemid="; nocase; distance:0; content:"&os="; nocase; distance:0; content:"&date="; nocase; distance:0; content:"&time="; nocase; distance:0; content:"&ip="; nocase; distance:0; content:"&location="; nocase; distance:0; content:"&password="; nocase; distance:0; reference:md5,eabb920f75c2943113713849878a6dfb; reference:url,twitter.com/c3rb3ru5d3d53c/status/1370740134937772037; classtype:command-and-control; sid:2032010; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_03_15, deployment Perimeter, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_03_15, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)