Rule History

SID: 2035593 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Mar 24, 2022, 12:00 PM

Message:

ET INFO DropBox User Content Domain (dl .dropboxusercontent .com in TLS SNI)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO DropBox User Content Domain (dl .dropboxusercontent .com in TLS SNI)"; flow:established,to_server; tls.sni; content:"dl.dropboxusercontent.com"; bsize:25; fast_pattern; classtype:misc-activity; sid:2035593; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_03_24, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_24;)

Created:

Mar 24, 2022, 12:00 PM

Updated:

Mar 24, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 5, 2025, 9:34 PM

Filename:

rules/emerging-info.rules