alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TinyNuke Checkin via Telegram"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/bot"; startswith; content:"/sendMessage?chat_id="; distance:0; content:"&text="; distance:0; content:"connectedIP:"; distance:0; content:"Country:"; distance:0; content:"User:"; distance:0; pcre:"/[0-9a-zA-Z]{8}$/"; http.user_agent; content:"TelegramNotify"; fast_pattern; reference:url,malpedia.caad.fkie.fraunhofer.de/details/win.tinynuke; classtype:trojan-activity; sid:2064539; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, affected_product Windows_8, affected_product Windows_10, attack_target Client_Endpoint, created_at 2025_09_10, deployment Perimeter, malware_family TinyNuke, confidence High, signature_severity Major, tag c2, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_10, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)