Versions (3)
Version DetailsCurrent
Rev: 2 • Jan 18, 2018, 12:00 PMET MALWARE Malicious Chrome Extension Requesting Websocket
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Malicious Chrome Extension Requesting Websocket"; flow:established,to_server; http.method; content:"GET"; http.header; content:"Upgrade|3a 20|websocket|0d 0a|"; content:"Origin|3a 20|chrome-extension|3a|//ppmibgfeefcglejjlpeihfdimbkfbbnm|0d 0a|"; fast_pattern; http.header_names; content:!"Referer"; reference:url,icebrg.io/blog/malicious-chrome-extensions-enable-criminals-to-impact-over-half-a-million-users-and-global-businesses; classtype:trojan-activity; sid:2025220; rev:2; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2018_01_18, deployment Perimeter, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2020_08_24;)
Jan 18, 2018, 12:00 PM
Aug 24, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules