ET MALWARE HTML/Xbash Hex Encoded WScript.Shell Inbound - Stage 1

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE HTML/Xbash Hex Encoded WScript.Shell Inbound - Stage 1";
    flow:established,from_server;
    http.stat_code;
    content:"200";
    file.data;
    content:"|5c|x57|5c|x53|5c|x63|5c|x72|5c|x69|5c|x70|5c|x74|5c|x2E|5c|x53|5c|x68|5c|x65|5c|x6C|5c|x6C"; fast_pattern;
    reference:url,researchcenter.paloaltonetworks.com/2018/09/unit42-xbash-combines-botnet-ransomware-coinmining-worm-targets-linux-windows/;
    reference:md5,3b5baecd61190e12a526c51d5ecccbbe;
    classtype:trojan-activity;
    sid:2026332; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2018_09_20, deployment Perimeter, malware_family Xbash, performance_impact Low, confidence High, signature_severity Major, tag Coinminer, tag Worm, tag Destructive, tag FakeRansom, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_25;
)