SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)
Sourceabuse.ch/sslbl-blacklist
CreatedMarch 24, 2026
UpdatedMarch 24, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"c6:1b:06:bc:00:a5:83:30:fc:b9:4e:0e:18:09:4f:51:28:ad:f2:83"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/c61b06bc00a58330fcb94e0e18094f5128adf283/; sid:903209335; rev:1;)
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