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

SID: 903204390Rev: 144 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:"1c:64:1e:4a:64:a8:27:88:d5:c3:09:bb:06:0b:6c:9b:1c:d1:ad:5e"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/1c641e4a64a82788d5c309bb060b6c9b1cd1ad5e/; sid:903204390; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/1c641e4a64a82788d5c309bb060b6c9b1cd1ad5e/

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