alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET CURRENT_EVENTS Possible Crypto Drainer Fetch"; 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/"; startswith; content:"/nft?chain=eth&format=decimal"; distance:0; endswith; fast_pattern; flowbits:set,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:2037023; 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;)