ET EXPLOIT_KIT Parrot TDS NDSW Check M2

Query · suricata

flow:established,to_client;
content:"|3b|if|28|typeof|20|ndsw|3d 3d 3d 22|undefined|22 29 7b 28|function|28|"; fast_pattern;
content:"var|20|ndsw|3d|true|2c|HttpClient|3d|function|28 29 7b|var|20|"; distance:0;
content:"|3d|new|20|XMLHttpRequest|3b|"; distance:0;
threshold:type limit, track by_src, seconds 60, count 1;
Raw source ET EXPLOIT_KIT Parrot TDS NDSW Check M2 · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT_KIT Parrot TDS NDSW Check M2";
    flow:established,to_client;
    content:"|3b|if|28|typeof|20|ndsw|3d 3d 3d 22|undefined|22 29 7b 28|function|28|"; fast_pattern;
    content:"var|20|ndsw|3d|true|2c|HttpClient|3d|function|28 29 7b|var|20|"; distance:0;
    content:"|3d|new|20|XMLHttpRequest|3b|"; distance:0;
    threshold:type limit, track by_src, seconds 60, count 1;
    reference:url,decoded.avast.io/janrubin/parrot-tds-takes-over-web-servers-and-threatens-millions;
    classtype:trojan-activity;
    sid:2052278; rev:1;
    metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_04_26, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag TDS, tag Parrot_TDS, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_26, reviewed_at 2025_01_22;
)

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