Versions (3)
Version DetailsCurrent
Rev: 3 • Jul 22, 2014, 12:00 PMET MALWARE PE downloaded malicious SSL certificate (CZ Solutions)
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE PE downloaded malicious SSL certificate (CZ Solutions)"; flow:established,to_client; flowbits:isset,ET.http.binary; file_data; content:"|43 5a 20 53 6f 6c 75 74 69 6f 6e 20 43 6f 2e 2c 20 4c 74 64 2e|"; reference:url,www.fireeye.com/blog/technical/2014/07/the-little-signature-that-could-the-curious-case-of-cz-solution.html; classtype:domain-c2; sid:2018748; rev:3; metadata:attack_target Client_and_Server, created_at 2014_07_22, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2019_07_26, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities;)
Jul 22, 2014, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules