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

SID: 903208700Rev: 10 views
Sourcesslbl/ssl-fp-blacklist
CreatedJanuary 8, 2026
UpdatedJanuary 8, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (ACRStealer C&C)"; tls_cert_fingerprint; content:"f4:b4:bd:66:ee:8d:94:a8:bb:a0:a5:f6:4f:76:45:3d:20:cf:04:05"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f4b4bd66ee8d94a8bba0a5f64f76453d20cf0405/; sid:903208700; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/f4b4bd66ee8d94a8bba0a5f64f76453d20cf0405/

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