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

SID: 903203720Rev: 141 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 (CobaltStrike C&C)"; tls_cert_fingerprint; content:"d5:c7:e0:50:11:a9:f2:ff:fb:21:4d:0a:d2:21:b4:5d:9b:e2:e2:14"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/d5c7e05011a9f2fffb214d0ad221b45d9be2e214/; sid:903203720; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/d5c7e05011a9f2fffb214d0ad221b45d9be2e214/

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