Rule History

SID: 2044436 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Mar 6, 2023, 12:00 PM

Message:

ET INFO Observed File Sharing Domain (zippyshare .com in TLS SNI)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed File Sharing Domain (zippyshare .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".zippyshare.com"; endswith; fast_pattern; reference:md5,fe5cec314cb00b1e74004cbbca5eb949; classtype:bad-unknown; sid:2044436; rev:1; metadata:attack_target Client_and_Server, created_at 2023_03_06, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_06;)

Created:

Mar 6, 2023, 12:00 PM

Updated:

Mar 6, 2023, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Aug 25, 2025, 9:35 PM

Filename:

rules/emerging-info.rules