Rule History

SID: 10014244 • Source: ptrules/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Jul 24, 2025, 5:44 PM

Message:

ATTACK [PTsecurity] Successful CitrixBleed2 Memory Leak Exploitation (CVE-2025-5777)

Rule:

alert http any any -> any any (msg:"ATTACK [PTsecurity] Successful CitrixBleed2 Memory Leak Exploitation (CVE-2025-5777)"; flow:established, from_server; http.response_body; content:"<InitialValue>"; fast_pattern; pcre:"/^.*?[\x01-\x1F\x7F-\xFF].*?<\/InitialValue>/QR"; flowbits:isset, CitrixBleed2.Attempt; threshold:type limit, track by_dst, count 1, seconds 60; reference:cve, 2025-5777; reference:url, horizon3.ai/attack-research/attack-blogs/cve-2025-5777-citrixbleed-2-write-up-maybe/; reference:url, github.com/win3zz/CVE-2025-5777; reference:url, rules.ptsecurity.com; classtype:successful-admin; sid:10014244; rev:1;)

Created:

Jul 24, 2025, 5:44 PM

Updated:

Jul 24, 2025, 5:44 PM

DB Created:

Oct 16, 2025, 10:34 AM

DB Updated:

Oct 16, 2025, 10:34 AM

Filename:

rules/ptopen-attacks.rules