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

SID: 903206082Rev: 159 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:"a9:af:2a:cb:67:bc:ce:3a:71:77:8a:8d:28:26:4c:43:3a:10:4c:78"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/a9af2acb67bcce3a71778a8d28264c433a104c78/; sid:903206082; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/a9af2acb67bcce3a71778a8d28264c433a104c78/

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