ET PHISHING HiYu - Request for Victim Enrichment

Query · suricata

flow:established,to_server;
urilen:8;
http.method;
content:"POST";
http.uri; bsize:8;
content:"/api.php"; fast_pattern;
http.header;
content:"X-Requested-With|3a 20|XMLHttpRequest";
http.content_len;
byte_test:0,<,200,0,string,dec;
http.request_body;
content:"API="; startswith;
content:!"&"; distance:0;
target:src_ip;
Raw source ET PHISHING HiYu - Request for Victim Enrichment · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET PHISHING HiYu - Request for Victim Enrichment";
    flow:established,to_server;
    urilen:8;
    http.method;
    content:"POST";
    http.uri; bsize:8;
    content:"/api.php"; fast_pattern;
    http.header;
    content:"X-Requested-With|3a 20|XMLHttpRequest";
    http.content_len;
    byte_test:0,<,200,0,string,dec;
    http.request_body;
    content:"API="; startswith;
    content:!"&"; distance:0;
    reference:url,urlscan.io/result/26b88d69-0fea-4c63-9f29-3c53350c098e/;
    classtype:social-engineering;
    sid:2044318; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_02_24, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_24;
    target:src_ip;
)

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