Rule History

SID: 2014998 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 3 • Jul 3, 2012, 12:00 PM

Message:

ET WEB_CLIENT Runforestrun Malware Campaign Infected Website Landing Page Obfuscated String JavaScript DGA

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Runforestrun Malware Campaign Infected Website Landing Page Obfuscated String JavaScript DGA"; flow:established,to_client; file_data; content:"*/window.eval(String.fromCharCode("; isdataat:80,relative; content:!")"; within:80; pcre:"/\x2A[a-z0-9]{10}\x2A\x2Fwindow\x2Eeval\x28String\x2EfromCharCode\x28[0-9]{1,3}\x2C[0-9]{1,3}\x2C/sm"; reference:url,blog.unmaskparasites.com/2012/06/22/runforestrun-and-pseudo-random-domains/; classtype:trojan-activity; sid:2014998; rev:3; metadata:created_at 2012_07_03, signature_severity Major, updated_at 2019_07_26, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information;)

Created:

Jul 3, 2012, 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