ET PHISHING Fake Google Chrome Error Landing Page, Anti-Analysis Technique

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
file.data;
content:"var|20|path|20 3d 20 27|unknown|27 3b|"; distance:0;
content:"mtizndu2"; distance:0; fast_pattern;
content:"/probe/v1"; distance:0;
content:"/payload/v1"; distance:0;
Raw source ET PHISHING Fake Google Chrome Error Landing Page, Anti-Analysis Technique · 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 PHISHING Fake Google Chrome Error Landing Page, Anti-Analysis Technique";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    file.data;
    content:"var|20|path|20 3d 20 27|unknown|27 3b|"; distance:0;
    content:"mtizndu2"; distance:0; fast_pattern;
    content:"/probe/v1"; distance:0;
    content:"/payload/v1"; distance:0;
    reference:url,insight-jp.nttsecurity.com/post/102icvb/attack-campaign-that-uses-fake-google-chrome-error-to-distribute-malware-from-com;
    classtype:credential-theft;
    sid:2045127; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_04_21, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_21;
)

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