Versions (2)
Version DetailsCurrent
Rev: 1 • Jan 3, 2025, 12:00 PMET MALWARE Observed CyberHaven Compromised Extension in TLS SNI (searchgptchat .info)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed CyberHaven Compromised Extension in TLS SNI (searchgptchat .info)"; flow:established,to_server; tls.sni; bsize:18; content:"searchgptchat.info"; fast_pattern; reference:url,www.extensiontotal.com/cyberhaven-incident-live; classtype:trojan-activity; sid:2058934; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2025_01_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_01_03;)
Jan 3, 2025, 12:00 PM
Jan 3, 2025, 12:00 PM
Jan 3, 2025, 10:35 PM
Jul 7, 2025, 9:34 PM
rules/emerging-malware.rules