rule Windows_Ransomware_Cicada3301_99fee259
{
	meta:
		author = "Elastic Security"
		id = "99fee259-6633-40f9-824b-49a7aa692753"
		fingerprint = "d1bf61f2bf824f8620db6862efa45a0b32266da6de658fad8c81cba347cb2080"
		creation_date = "2024-09-05"
		last_modified = "2024-09-30"
		threat_name = "Windows.Ransomware.Cicada3301"
		reference_sample = "7b3022437b637c44f42741a92c7f7ed251845fd02dda642c0a47fde179bd984e"
		severity = 100
		arch_context = "x86, arm64"
		scan_context = "file, memory"
		license = "Elastic License v2"
		os = "windows"

	strings:
		$a1 = "sqldocrtfxlsjpgjpegpnggifwebptiffpsdrawbmppdfdocxdocmdotxdotmodtxlsxxlsmxltxxltmxlsbx"
		$a2 = "keypathhelpsleepno_implno_localno_netno_notesno_iconno_desktop" ascii fullword
		$a3 = "RECOVER--DATA.txt" ascii fullword
		$a4 = "CMD_BCDEDIT_SET_RECOVERY_DISABLED"
		$a5 = "CMD_WMIC_SHADOWCOPY_DELETE"

	condition:
		2 of them
}