ET HUNTING Telegram API Request (POST)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET HUNTING Telegram API Request (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/bot"; startswith;
    http.host; bsize:16;
    content:"api.telegram.org"; fast_pattern;
    threshold:type limit,count 1,seconds 300,track by_src;
    classtype:misc-activity;
    sid:2068492; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_03_30, deployment Perimeter, deployment SSLDecrypt, performance_impact Moderate, confidence High, signature_severity Informational, updated_at 2026_03_30, mitre_tactic_id TA0002, mitre_tactic_name Execution, mitre_technique_id T1059, mitre_technique_name Command_And_Scripting_Interpreter;
    target:src_ip;
)