rule Windows_Rootkit_R77_eb366abc {
meta:
author = "Elastic Security"
id = "eb366abc-d256-4dd2-ad97-898fdf905b8a"
fingerprint = "beaa87877382a0cba0fcad6397b22bef2ff6dad8e3454ae517b529fbc76ff97a"
creation_date = "2023-05-09"
last_modified = "2023-06-13"
threat_name = "Windows.Rootkit.R77"
reference = "https://www.elastic.co/security-labs/elastic-security-labs-steps-through-the-r77-rootkit"
reference_sample = "21e7f69986987fc75bce67c4deda42bd7605365bac83cf2cecb25061b2d86d4f"
severity = 100
arch_context = "x86"
scan_context = "file, memory"
license = "Elastic License v2"
os = "windows"
strings:
$a1 = { 8C 20 88 00 00 00 42 8B 44 21 10 42 8B 4C 21 1C 48 2B D0 49 }
$a2 = { 53 00 4F 00 46 00 54 00 57 00 41 00 52 00 45 00 5C 00 24 00 37 00 37 00 63 00 6F 00 6E 00 66 00 69 00 67 00 }
condition:
all of them
}