ET PHISHING [TW] EvilProxy AiTM Network Reporting

Query · suricata

flow:established,to_client;
content:"Server|3a 20|nginx/";
content:"|0d 0a|access-control-allow-origin|3a 20 2a 0d 0a|";
content:"|0d 0a|Report-To|3a 20 7b 22|group|22 3a 22|network-errors|22 2c 22|max_age|22 3a|86400|2c 22|endpoints|22 3a 5b 7b 22|url|22 3a 22|";
content:"/api/report?catId=GW+estsfd+"; distance:0; fast_pattern;
Raw source ET PHISHING [TW] EvilProxy AiTM Network Reporting · 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 [TW] EvilProxy AiTM Network Reporting";
    flow:established,to_client;
    content:"Server|3a 20|nginx/";
    content:"|0d 0a|access-control-allow-origin|3a 20 2a 0d 0a|";
    content:"|0d 0a|Report-To|3a 20 7b 22|group|22 3a 22|network-errors|22 2c 22|max_age|22 3a|86400|2c 22|endpoints|22 3a 5b 7b 22|url|22 3a 22|";
    content:"/api/report?catId=GW+estsfd+"; distance:0; fast_pattern;
    classtype:social-engineering;
    sid:2037862; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_07_29, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_29;
)

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