alert http $HOME_NET any -> [92.63.0.0/16,91.218.114.0/24,149.56.245.196] any (msg:"ET MALWARE Maze/ID Ransomware Activity"; flow:established,to_server; urilen:>1; http.method; content:"POST"; http.user_agent; content:"Mozilla/5.0 (Windows NT 6.1|3b 20|WOW64|3b 20|Trident/7.0|3b 20|AS|3b 20|rv|3a|11.0) like Gecko"; depth:72; endswith; fast_pattern; http.request_body; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/"; reference:md5,f83fb9ce6a83da58b20685c1d7e1e546; reference:md5,9823800f063a1d4ee7a749961db7540f; classtype:trojan-activity; sid:2027392; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_05_29, deployment Perimeter, malware_family Maze_Ransomware, confidence High, signature_severity Major, tag Ransomware, tag Maze, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_17, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)