Rule History

SID: 2610724 • Source: tgreen/hunting

Versions (4)

Version DetailsCurrent

Rev: 3 • Mar 19, 2025, 4:38 PM

Message:

TGI HUNT (testing) Possible Cobalt Strike HTTP Response

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"TGI HUNT (testing) Possible Cobalt Strike HTTP Response"; flow:established,to_client; content:"HTTP/1.1|20|404|20|Not Found|0d 0a|Date|3a 20|"; startswith; content:"|20|GMT|0d 0a|Content-Type|3a 20|text/plain|0d 0a|Content-Length|3a 20|0|0d 0a 0d 0a|"; distance:0; endswith; content:!"Server|3a 20|"; threshold:type limit, track by_src, seconds 60, count 1; classtype:trojan-activity; sid:2610724; rev:3;)

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