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

SID: 903203332Rev: 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:"11:bb:f8:60:62:c5:46:9d:5c:3e:e8:ba:1c:b3:cd:8f:5b:8d:0e:a2"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/11bbf86062c5469d5c3ee8ba1cb3cd8f5b8d0ea2/; sid:903203332; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/11bbf86062c5469d5c3ee8ba1cb3cd8f5b8d0ea2/

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