ET MALWARE Win32/Luca Stealer Sending System Information via Telegram (GET)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Luca Stealer Sending System Information via Telegram (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/bot"; startswith;
    content:"/sendDocument?chat_id="; distance:0;
    content:"&caption|3d 0a 2d 20|IP|20|Info|20 2d 0a 0a|IP|3a 20|"; distance:0; fast_pattern;
    content:"|0a 2d 20|PC|20|Info|20 2d 0a|"; distance:0;
    content:"|0a|GPU|3a 20 0a|"; distance:0;
    content:"|0a|FileLocation|3a 20|"; distance:0;
    http.host;
    content:"api.telegram.org"; bsize:16;
    reference:url,twitter.com/suyog41/status/1631189160093425664;
    reference:md5,49d57061203091edfdeee7ec378811ea;
    classtype:trojan-activity;
    sid:2044524; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2023_03_08, deployment Perimeter, deployment SSLDecrypt, malware_family LucaStealer, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_21, reviewed_at 2023_11_28;
    target:src_ip;
)