Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Private Loader Related Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/api/b"; startswith; fast_pattern; content:".php"; endswith; http.host; pcre:"/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/"; http.user_agent; content:!"Linux"; http.header_names; content:"|0d 0a|Connection|0d 0a|"; startswith; content:!"|0d 0a|Referer|0d 0a|"; reference:md5,362697c95a1c9964af1ab23ddfc29b04; classtype:trojan-activity; sid:2052789; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_05_20, deployment Perimeter, confidence Medium, signature_severity Major, tag c2, updated_at 2024_05_20, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)