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Rev: 2 • Jul 1, 2024, 12:00 PMET MALWARE Observed Poseidon Stealer Related Domain (register-agov .com) in TLS SNI
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Poseidon Stealer Related Domain (register-agov .com) in TLS SNI"; flow:established,to_server; tls.sni; bsize:17; content:"register-agov.com"; fast_pattern; reference:url,github.com/govcert-ch/CTI/tree/main/20240627_macOS_PoseidonStealer; classtype:trojan-activity; sid:2054216; rev:2; metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2024_07_01, deployment Perimeter, malware_family Poseidon_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_10_04, reviewed_at 2024_10_04;)
Jul 1, 2024, 12:00 PM
Oct 4, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules