Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE 000Stealer Data Exfiltration M1"; flow:established,to_server; http.request_line; content:"POST|20|/call?key="; fast_pattern; pcre:"/^[a-f0-9]{32}\x20/R"; http.header; content:"Content|2d|Type|3a 20|multipart|2f|form|2d|data|3b 20|boundary|3d|"; pcre:"/^[a-f0-9]{60}\x0d\x0a/R"; http.request_body; content:"Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|file|22 3b 20|filename|3d 22 5b|"; distance:0; content:"|5d 20|"; distance:2; within:2; content:"|20 5b|"; distance:32; within:2; content:"|5d 22 0d 0a|Content|2d|Type|3a 20|application|2f|octet|2d|stream|0d 0a 0d 0a|PK|03 04|"; distance:19; within:50; reference:md5,3f9c1455992239f4efe31f0e56773433; reference:url,twitter.com/3xp0rtblog/status/1509978637189419008; classtype:trojan-activity; sid:2036307; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_22, deployment Perimeter, malware_family 000Stealer, performance_impact Low, confidence High, signature_severity Major, tag c2, updated_at 2022_04_22, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)