Rule History

SID: 2021078 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 3 • May 8, 2015, 12:00 PM

Message:

ET WEB_CLIENT Possible CVE-2013-1710/CVE-2012-3993 Firefox Exploit Attempt

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Possible CVE-2013-1710/CVE-2012-3993 Firefox Exploit Attempt"; flow:established,to_client; file_data; content:"generateCRMFRequest"; nocase; fast_pattern; content:"InstallTrigger"; nocase; content:"__exposedProps__"; nocase; content:"__defineGetter__"; nocase; content:"getInstallForURL"; nocase; content:".install|28|"; nocase; content:"x-xpinstall"; nocase; reference:cve,CVE-2013-1710; reference:cve,CVE-2012-3993; classtype:attempted-user; sid:2021078; rev:3; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2015_05_08, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_10_08;)

Created:

May 8, 2015, 12:00 PM

Updated:

Oct 8, 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