ET MALWARE MagicG Stealer Exfil (POST)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE MagicG Stealer Exfil (POST)";
    flow:established,to_server;
    flowbits:set,ET.MagicG;
    http.method;
    content:"POST";
    http.uri; bsize:7;
    content:"/upload";
    http.user_agent; bsize:19;
    content:"WinHTTP|20|Example|2f|1|2e|0";
    http.request_body;
    content:"name|3d 22|account|5f|info|22|"; fast_pattern;
    content:"screenshot_monitor";
    content:"Software.txt";
    reference:md5,62505e25eea181676a1bd047b58916c2;
    classtype:command-and-control;
    sid:2069264; 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_05_11, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Critical, tag c2, updated_at 2026_05_11, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
    target:src_ip;
)