SSLBL: Malicious SSL certificate detected (MaskGramStealer C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedMay 24, 2026
UpdatedMay 24, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (MaskGramStealer C&C)"; tls_cert_fingerprint; content:"f1:91:8d:4a:6a:10:5f:cb:58:ee:46:39:45:11:0d:e0:12:f5:ee:fe"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f1918d4a6a105fcb58ee463945110de012f5eefe/; sid:903209710; rev:1;)
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