Versions (4)
Version DetailsCurrent
Rev: 1 • Oct 5, 2022, 12:00 PMET MALWARE Malicious Browser Installer Checkin (POST)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Malicious Browser Installer Checkin (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/metrics/geoip"; fast_pattern; bsize:14; http.header; content:"Authorization|3a 20|SIGN|20|"; http.header_names; content:"|0d 0a|Connection|0d 0a|Date|0d 0a|Pragma|0d 0a|Authorization|0d 0a|Host|0d 0a|"; reference:md5,9aabcababd5b677813589f7154302ee0; reference:url,securelist.com/onionpoison-infected-tor-browser-installer-youtube/107627/; classtype:command-and-control; sid:2039096; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_10_05, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_05;)
Oct 5, 2022, 12:00 PM
Oct 5, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 1, 2025, 8:35 PM
rules/emerging-malware.rules