Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Commonly Abused File Sharing Site Domain Observed (anonfiles .com in TLS SNI)"; flow:established,to_server; tls.sni; content:"anonfiles.com,"; bsize:14; fast_pattern; reference:url,www.ic3.gov/Media/News/2022/220204.pdf; classtype:misc-activity; sid:2035147; rev:1; metadata:created_at 2022_02_08, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_08;)