Versions (7)
Version DetailsCurrent
Rev: 2 • Oct 9, 2025, 2:49 PMBACKDOOR [PTsecurity] Trojan.Backdoor Echo Heartbeat
alert tcp any any -> any any (msg: "BACKDOOR [PTsecurity] Trojan.Backdoor Echo Heartbeat"; flow: established, to_server; stream_size: client, =, 17; stream_size: server, <, 3; content: "|0000 78e3 0000 4f95 0000 0004 6563 686f|"; depth: 16; reference: url, rules.ptsecurity.com; classtype: trojan-activity; sid: 10011181; rev: 2;)
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