SSLBL: Malicious SSL certificate detected (Ostap C&C)

SID: 903202897Rev: 137 views
History
Sourcesslbl/ssl-fp-blacklist
CreatedJune 25, 2025
UpdatedJune 25, 2025
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Ostap C&C)"; tls_cert_fingerprint; content:"bb:56:e3:d9:b3:70:cf:f3:37:69:c1:18:12:e1:0f:e0:94:b3:18:00"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/bb56e3d9b370cff33769c11812e10fe094b31800/; sid:903202897; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/bb56e3d9b370cff33769c11812e10fe094b31800/

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