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

SID: 903208315Rev: 118 views
Sourcesslbl/ssl-fp-blacklist
CreatedOctober 23, 2025
UpdatedOctober 23, 2025
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (CobaltStrike C&C)"; tls_cert_fingerprint; content:"a2:2b:50:a9:32:2a:3d:ca:74:70:94:7a:96:08:d2:76:83:c0:f4:7f"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/a22b50a9322a3dca7470947a9608d27683c0f47f/; sid:903208315; rev:1;)

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