ET MALWARE WhiteSnake Stealer Sending Data to Telegram (POST)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE WhiteSnake Stealer Sending Data to Telegram (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/bot"; startswith;
    content:"/sendDocument?chat_id="; distance:0;
    content:"&caption="; distance:0;
    http.host;
    content:"api.telegram.org"; bsize:16;
    http.request_body;
    content:"name=|22|document|22 3b|";
    content:"_report.wsr|22 0d 0a|Content-Type|3a 20|application/octet-stream|0d 0a 0d 0a|WSR"; distance:0; fast_pattern;
    reference:url,twitter.com/suyog41/status/1628373761807511553;
    reference:md5,716d01d18140ec5e18b1a15c17fb213f;
    classtype:trojan-activity;
    sid:2044309; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2023_02_23, deployment Perimeter, deployment SSLDecrypt, malware_family Gurcu, malware_family WhiteSnake, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_26, reviewed_at 2023_11_28;
    target:src_ip;
)