ET INFO Ethereum Contract Request, get()

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.content_type;
content:"application/json";
http.content_len;
byte_test:0,<=,500,0,string,dec;
http.request_body;
content:"|22|eth_call|22|";
content:"|22|0x6d4ce63c|22|"; fast_pattern;
Raw source ET INFO Ethereum Contract Request, get() · 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 $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET INFO Ethereum Contract Request, get()";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.content_type;
    content:"application/json";
    http.content_len;
    byte_test:0,<=,500,0,string,dec;
    http.request_body;
    content:"|22|eth_call|22|";
    content:"|22|0x6d4ce63c|22|"; fast_pattern;
    reference:url,levelblue.com/blogs/spiderlabs-blog/err-hiding-and-seek-how-errtraffic-v3-leverages-etherhiding-in-clickfix-campaign;
    reference:url,4byte.directory;
    classtype:misc-activity;
    sid:2070034; rev:2;
    metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_06_23, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Informational, updated_at 2026_06_25;
)

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