Rule History

SID: 2020161 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 3 • Jan 9, 2015, 12:00 PM

Message:

ET WEB_CLIENT Upatre Firefox/Chrome Redirector Receiving Payload Jan 9 2015

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Upatre Firefox/Chrome Redirector Receiving Payload Jan 9 2015"; flow:established,from_server; file_data; content:"UEsDB"; content:"var"; pcre:"/^\s*?\w+\s*?=\s*?[\x22\x27]UEsDB/R"; flowbits:isset,ET.Upatre.Redirector; classtype:trojan-activity; sid:2020161; rev:3; metadata:created_at 2015_01_09, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Jan 9, 2015, 12:00 PM

Updated:

Jul 26, 2019, 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