Versions (4)
Version DetailsCurrent
Rev: 2 • Sep 29, 2010, 12:00 PMET HUNTING Suspicious Percentage Symbol Usage in FTP Username
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"ET HUNTING Suspicious Percentage Symbol Usage in FTP Username"; flow:established,to_server; content:"USER "; depth:5; nocase; content:!"|0d 0a|"; within:50; content:"%"; distance:0; reference:url,www.checkpoint.com/defense/advisories/public/2010/sbp-16-Aug.html; classtype:bad-unknown; sid:2011487; rev:2; metadata:created_at 2010_09_29, confidence Medium, signature_severity Informational, updated_at 2019_07_26;)
Sep 29, 2010, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-hunting.rules