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

SID: 903204135Rev: 143 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:"3f:78:31:d6:dd:20:bd:d6:d9:95:93:ca:e7:f3:98:71:8d:a0:4e:f6"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/3f7831d6dd20bdd6d99593cae7f398718da04ef6/; sid:903204135; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/3f7831d6dd20bdd6d99593cae7f398718da04ef6/

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