Rule History

SID: 2011246 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 4 • Jul 30, 2010, 12:00 PM

Message:

ET WEB_CLIENT Likely Malicious PDF Containing StrReverse

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Likely Malicious PDF Containing StrReverse"; flow:established,to_client; content:"%PDF-"; content:"StrReverse|28|"; distance:0; nocase; classtype:bad-unknown; sid:2011246; rev:4; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, 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:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-web_client.rules