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

SID: 903204935Rev: 145 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:"57:ec:2b:34:c4:c5:74:24:41:ef:fe:d0:5b:54:a3:88:15:a4:e9:40"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/57ec2b34c4c5742441effed05b54a38815a4e940/; sid:903204935; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/57ec2b34c4c5742441effed05b54a38815a4e940/

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