ET MALWARE NordDragonScan Data Exfiltration Attempt

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE NordDragonScan Data Exfiltration Attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.user_agent; bsize:6;
    content:"Upload";
    http.header_names;
    content:"|0d 0a|Backups|0d 0a|"; fast_pattern;
    http.request_body;
    content:"Computer|20|name|3a 20|"; startswith;
    reference:url,www.fortinet.com/blog/threat-research/norddragonscan-quiet-data-harvester-on-windows;
    classtype:trojan-activity;
    sid:2063345; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_and_Server, tls_state TLSDecrypt, created_at 2025_07_08, deployment Perimeter, malware_family NordDragonScan, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_07_08, mitre_tactic_id TA0037, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
    target:src_ip;
)