TGI HUNT (testing) Possible Cobalt Strike HTTP Response

SID: 2610724Rev: 316 views
History
Sourcetgreen/hunting
CreatedMarch 19, 2025
UpdatedMarch 19, 2025
Classificationtrojan-activity
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;)

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