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

SID: 10012800Rev: 236 views
History
Sourceptrules/open
CreatedJune 24, 2025
UpdatedJune 24, 2025
Classificationattempted-admin
alert udp any any -> any 5355 (msg:"ATTACK AD [PTsecurity] Krbrelayx Malicious DNS Resolve to Kerberos Relay"; flow:to_server; 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:10012800; rev:2;)

References

urlhttps://www.synacktiv.com/publications/relaying-kerberos-over-smb-using-krbrelayx
urlrules.ptsecurity.com

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