ET MALWARE DefendNot Installer Script Inbound

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE DefendNot Installer Script Inbound";
    flow:established,to_client;
    http.response_body;
    content:"|24|InstallPath|20 3d 20 22 24|env|3a|ProgramFiles|5c|defendnot|22|"; fast_pattern;
    content:"|24|InstallPath|5c|defendnot|2d|loader|2e|exe";
    classtype:trojan-activity;
    sid:2068059; 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_06, deployment Perimeter, deployment SSLDecrypt, malware_family DefendNot, confidence High, signature_severity Major, updated_at 2026_03_06, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1105, mitre_technique_name Ingress_Tool_Transfer;
    target:dest_ip;
)