ET EXPLOIT_KIT Parrot TDS Check M2

Query · suricata

flow:established,to_client;
content:"if|28|typeof|20|ndsj|3d 3d 3d 22|undefined|22 29|"; fast_pattern;
content:"var|20|ndsj|3d 21 21 5b 5d 2c|HttpClient|3d|function|28 29|"; distance:0;
content:"|3d|new|20|XMLHttpRequest|28 29 3b|"; distance:0;
threshold:type limit, track by_src, seconds 60, count 1;
Raw source ET EXPLOIT_KIT Parrot TDS 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 Check M2";
    flow:established,to_client;
    content:"if|28|typeof|20|ndsj|3d 3d 3d 22|undefined|22 29|"; fast_pattern;
    content:"var|20|ndsj|3d 21 21 5b 5d 2c|HttpClient|3d|function|28 29|"; distance:0;
    content:"|3d|new|20|XMLHttpRequest|28 29 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:exploit-kit;
    sid:2047070; rev:1;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2023_08_07, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag TDS, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_08_07, reviewed_at 2024_12_24;
)

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