Rule History

SID: 2020159 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 8 • Jan 9, 2015, 12:00 PM

Message:

ET WEB_CLIENT Upatre Redirector Jan 9 2015

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET WEB_CLIENT Upatre Redirector Jan 9 2015"; flow:established,to_server; flowbits:set,ET.Upatre.Redirector; http.method; content:"GET"; http.uri; content:".js?"; fast_pattern; content:".js"; endswith; distance:30; pcre:"/\d\.js\?[a-zA-Z0-9]{7,16}=[^&]+(?:&[a-zA-Z0-9]{7,16}=[^&]+){3}\.js$/"; http.referer; content:".html"; endswith; classtype:trojan-activity; sid:2020159; rev:8; metadata:created_at 2015_01_09, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_04;)

Created:

Jan 9, 2015, 12:00 PM

Updated:

Mar 4, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 6, 2025, 4:34 PM

Filename:

rules/emerging-web_client.rules