Versions (4)
Version DetailsCurrent
Rev: 3 • Sep 29, 2010, 12:00 PMET HUNTING Suspicious Quotation Mark Usage in FTP Username
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"ET HUNTING Suspicious Quotation Mark Usage in FTP Username"; flow:established,to_server; content:"USER "; depth:5; content:"|22|"; distance:0; pcre:"/^USER [^\r\n]*?\x22/"; reference:url,www.checkpoint.com/defense/advisories/public/2010/sbp-16-Aug.html; classtype:bad-unknown; sid:2011488; rev:3; metadata:created_at 2010_09_29, confidence Medium, signature_severity Informational, updated_at 2020_08_19;)
Sep 29, 2010, 12:00 PM
Aug 19, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-hunting.rules