Rule History

SID: 10012799 • Source: ptrules/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Jun 24, 2025, 4:00 PM

Message:

ATTACK AD [PTsecurity] Krbrelayx Malicious DNS Resolve to Kerberos Relay

Rule:

alert dns any any -> any any (msg:"ATTACK AD [PTsecurity] Krbrelayx Malicious DNS Resolve to Kerberos Relay"; flow:to_server; dns.query; content:"1UWhRCAAAAAAAAAAAAAAAAAAAAAAAAAAAA"; nocase; content:"YBAAAA"; distance:0; nocase; reference:url, https://www.synacktiv.com/publications/relaying-kerberos-over-smb-using-krbrelayx; reference:url, rules.ptsecurity.com; classtype:attempted-admin; sid:10012799; rev:1;)

Created:

Jun 24, 2025, 4:00 PM

Updated:

Jun 24, 2025, 4:00 PM

DB Created:

Oct 16, 2025, 10:34 AM

DB Updated:

Oct 16, 2025, 10:34 AM

Filename:

rules/ptopen-windows.rules