SSLBL: Malicious SSL certificate detected (Vidar C&C)
Sourceabuse.ch/sslbl-blacklist
CreatedMarch 19, 2026
UpdatedMarch 19, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"f5:06:d6:39:1b:61:21:bb:86:79:12:60:3f:1c:23:16:27:01:3c:b2"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f506d6391b6121bb867912603f1c231627013cb2/; sid:903209284; rev:1;)
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