alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE KWN Clipper Checkin via Telegram"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/bot"; startswith; content:"/sendMessage"; endswith; http.host; bsize:16; content:"api.telegram.org"; http.content_type; bsize:33; content:"application/x-www-form-urlencoded"; http.user_agent; content:"Go-http-client/"; startswith; http.request_body; content:"&text=FROM+UID+%3A+%0D%0A"; content:"%0D%0A+Victim+By+KWN++%0D%0ANEW+USER"; distance:0; fast_pattern; reference:url,twitter.com/suyog41/status/1645694318756220928; reference:md5,14485f6b7327d25d8a255b9feca41e7b; classtype:trojan-activity; sid:2044916; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_04_11, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_11; target:src_ip;)