alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO GET to Puu.sh for TXT File with Minimal Headers"; flow:to_server,established; http.method; content:"GET"; http.uri; content:".txt"; nocase; endswith; http.host; content:"puu.sh"; depth:6; endswith; fast_pattern; http.header_names; content:"|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|"; depth:22; endswith; classtype:bad-unknown; sid:2026569; rev:3; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2018_11_02, deployment Perimeter, confidence High, signature_severity Minor, updated_at 2020_09_16;)