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

SID: 903203736Rev: 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:"bf:a4:43:98:ae:e9:15:fc:ff:0e:2a:83:98:70:05:27:49:0e:c7:21"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/bfa44398aee915fcff0e2a8398700527490ec721/; sid:903203736; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/bfa44398aee915fcff0e2a8398700527490ec721/

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