Versions (4)
Version DetailsCurrent
Rev: 6 • Nov 4, 2015, 12:00 PMET WEB_CLIENT Fake Virus Phone Scam JS Landing Nov 4
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Fake Virus Phone Scam JS Landing Nov 4"; flow:established,to_client; http.stat_code; content:"200"; http.content_type; content:"application/x-javascript"; startswith; http.header; content:"Content-Encoding|3a 20|gzip"; file.data; content:"tfnnumber"; fast_pattern; content:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; distance:0; content:"msgencoded"; content:"returnmsgencoded"; distance:0; content:"Base64"; pcre:"/^\s*?\.\s*?decode\s*?\(\s*?msgencoded\s*?\)\s*?\.\s*?replace/Rsi"; classtype:social-engineering; sid:2022031; rev:6; metadata:created_at 2015_11_04, confidence High, signature_severity Minor, updated_at 2024_03_02;)
Nov 4, 2015, 12:00 PM
Mar 2, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-web_client.rules