rule Windows_Trojan_BloodAlchemy_3793364e {
meta:
author = "Elastic Security"
id = "3793364e-a73c-4cf0-855c-fdcdb2b88386"
fingerprint = "b4620f360093284ae6f2296b4239227099f58f8f0cfe9f70298c84d6cbe7fa29"
creation_date = "2023-09-25"
last_modified = "2023-09-25"
threat_name = "Windows.Trojan.BloodAlchemy"
reference = "https://www.elastic.co/security-labs/disclosing-the-bloodalchemy-backdoor"
severity = 100
arch_context = "x86, arm64"
scan_context = "file, memory"
license = "Elastic License v2"
os = "windows"
strings:
$a1 = { 55 8B EC 51 83 65 FC 00 53 56 57 BF 00 20 00 00 57 6A 40 FF 15 }
$a2 = { 55 8B EC 81 EC 80 00 00 00 53 56 57 33 FF 8D 45 80 6A 64 57 50 89 7D E4 89 7D EC 89 7D F0 89 7D }
condition:
all of them
}