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

SID: 903203579Rev: 140 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:"41:c8:2d:5d:c9:bd:75:f6:7b:77:6b:b0:d3:41:f5:76:a0:df:ae:30"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/41c82d5dc9bd75f67b776bb0d341f576a0dfae30/; sid:903203579; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/41c82d5dc9bd75f67b776bb0d341f576a0dfae30/

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