Rule History

SID: 2610308 • Source: tgreen/hunting

Versions (4)

Version DetailsCurrent

Rev: 1 • Mar 19, 2025, 4:38 PM

Message:

TGI HUNT Double Transfer-Encoding Header (possible evasion)

Rule:

alert http any any -> any any (msg:"TGI HUNT Double Transfer-Encoding Header (possible evasion)"; flow:established,to_server; content:"Transfer-Encoding|3a 20|"; http_header; fast_pattern; content:"Transfer-Encoding|3a 20|"; http_header; distance:0; reference:url,noxxi.de/research/http-evader-explained-3-chunked.html; threshold:type limit, track by_src, seconds 60, count 1; classtype:bad-unknown; sid:2610308; rev:1;)

Created:

Mar 19, 2025, 4:38 PM

Updated:

Mar 19, 2025, 4:38 PM

DB Created:

Jul 29, 2025, 5:35 PM

DB Updated:

Jul 29, 2025, 5:35 PM

Filename:

hunting.rules