Versions (7)
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Rev: 4 • Oct 9, 2025, 2:49 PMBACKDOOR [PTsecurity] Possible SSVagent (APT31)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg: "BACKDOOR [PTsecurity] Possible SSVagent (APT31)"; flow: established, to_server; content: "|00 00 00|"; offset: 1; depth: 3; http_client_body; pcre: "/^.{12}[A-F-0-9]{32}/P"; content: "|0d0a 0d0a|"; http_client_body; depth: 300; byte_jump: 1, 0, relative; isdataat: !5, relative; reference: url, rules.ptsecurity.com; classtype: trojan-activity; sid: 10006531; rev: 4;)Oct 9, 2025, 2:49 PM
Oct 9, 2025, 2:49 PM
Oct 16, 2025, 10:34 AM
Oct 16, 2025, 10:34 AM
rules/ptopen-malware.rules