rule Windows_Ransomware_Royal_b7d42109
{
	meta:
		author = "Elastic Security"
		id = "b7d42109-f327-4ec3-86ac-d1ebb9478860"
		fingerprint = "ff518f25b39b02769b67c437f38958d14e4e8f50b91f4c73591203da297a5d2a"
		creation_date = "2022-11-04"
		last_modified = "2022-12-20"
		threat_name = "Windows.Ransomware.Royal"
		reference_sample = "491c2b32095174b9de2fd799732a6f84878c2e23b9bb560cd3155cbdc65e2b80"
		severity = 100
		arch_context = "x86, arm64"
		scan_context = "file, memory"
		license = "Elastic License v2"
		os = "windows"

	strings:
		$a1 = "Try Royal today and enter the new era of data security" ascii fullword
		$a2 = "If you are reading this, it means that your system were hit by Royal ransomware." ascii fullword
		$a3 = "http://royal"
		$a4 = "\\README.TXT" wide fullword

	condition:
		all of them
}