Versions (5)
Version DetailsCurrent
Rev: 3 • Jun 10, 2024, 12:00 PMET MALWARE ClearFake CnC Activity Outbound (source_id)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE ClearFake CnC Activity Outbound (source_id)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.content_type; content:"application/json"; nocase; http.request_body; content:"|7b 0d 0a 20 20 20 20 22|source|5f|id|22 3a 20 20 22|"; fast_pattern; content:"|22 0d 0a 7d|"; endswith; reference:md5,b3b735852084909f82121fd6fbbdeb68; classtype:trojan-activity; sid:2053415; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_06_10, deployment Perimeter, deployment SSLDecrypt, deprecation_reason Relevance, malware_family ClearFake, confidence High, signature_severity Major, tag c2, tag compromised_website, updated_at 2025_04_21, reviewed_at 2025_04_21, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Jun 10, 2024, 12:00 PM
Apr 21, 2025, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules