Rule History

SID: 2011008 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 4 • Jul 30, 2010, 12:00 PM

Message:

ET POLICY Possible Multiple Levels of Javascript Encoding & Compression Filters in PDF, Possibly Hostile PDF

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET POLICY Possible Multiple Levels of Javascript Encoding & Compression Filters in PDF, Possibly Hostile PDF"; flow:established,to_client; content:"PDF-"; depth:300; content:"/Filter"; nocase; distance:0; content:"Decode"; nocase; within:30; content:"Decode"; nocase; within:30; content:"Decode"; nocase; within:30; content:"Decode"; nocase; within:30; content:"Decode"; nocase; within:30; content:"Decode"; nocase; within:30; reference:url,www.symantec.com/connect/blogs/journey-center-pdf-stream; classtype:misc-activity; sid:2011008; rev:4; metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Jul 30, 2010, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Jan 5, 2026, 10:34 PM

Filename:

rules/emerging-policy.rules