ET CURRENT_EVENTS Possible Crypto Drainer Enumerate

Query · suricata

flow:established,to_server;
http.host;
content:"deep-index.moralis.io";
http.header_names;
content:"|0d 0a|Content-Type|0d 0a|accept|0d 0a|x-api-key";
content:!"|0d 0a|Referer|0d 0a|";
http.uri;
content:"/api/v2/nft"; startswith;
content:"lowestprice?chain=eth&days="; distance:0;
content:"&marketplace=opensea"; endswith; fast_pattern; distance:0;
flowbits:isset,ET.crypto_drainer_fetch;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET CURRENT_EVENTS Possible Crypto Drainer Enumerate · 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 CURRENT_EVENTS Possible Crypto Drainer Enumerate";
    flow:established,to_server;
    http.host;
    content:"deep-index.moralis.io";
    http.header_names;
    content:"|0d 0a|Content-Type|0d 0a|accept|0d 0a|x-api-key";
    content:!"|0d 0a|Referer|0d 0a|";
    http.uri;
    content:"/api/v2/nft"; startswith;
    content:"lowestprice?chain=eth&days="; distance:0;
    content:"&marketplace=opensea"; endswith; fast_pattern; distance:0;
    flowbits:isset,ET.crypto_drainer_fetch;
    reference:url,blog.confiant.com/how-one-crypto-drainer-template-facilitates-tens-of-millions-of-dollars-in-theft-66f3794aea4b;
    classtype:trojan-activity;
    sid:2037024; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_06_16, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_16, reviewed_at 2024_12_24;
)

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