Rule History

SID: 10011307 • Source: ptrules/open

Versions (7)

Version DetailsCurrent

Rev: 2 • Oct 9, 2025, 2:49 PM

Message:

REMOTE [PTsecurity] Ryuk Client Heartbeat

Rule:

alert tcp any any -> any any (msg: "REMOTE [PTsecurity] Ryuk Client Heartbeat"; flow: established, to_server; dsize: 29; stream_size: client, =, 30; stream_size: server, <, 3; content: "|44 4b 00 00 29 af a3 d2 11 00 00 00 08 0a 11 45|"; depth: 16; reference: url, https://tria.ge/240331-f2rarsfa57/behavioral2; reference: url, rules.ptsecurity.com; classtype: trojan-activity; sid: 10011307; rev: 2;)

Created:

Oct 9, 2025, 2:49 PM

Updated:

Oct 9, 2025, 2:49 PM

DB Created:

Oct 16, 2025, 10:34 AM

DB Updated:

Oct 16, 2025, 10:34 AM

Filename:

rules/ptopen-malware.rules