DITEKSHEN_MALWARE_Win_Margulasrat

rule DITEKSHEN_MALWARE_Win_Margulasrat : FILE
{
	meta:
		description = "Detects MargulasRAT"
		author = "ditekSHen"
		id = "6efabf80-9194-542d-afd2-9bf9c8e26e55"
		date = "2020-11-06"
		modified = "2024-11-01"
		reference = "https://github.com/ditekshen/detection"
		source_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/malware.yar#L6786-L6810"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "dd5b94c947d97cdc34032f2cb84b4975a1e8f510638857fb6dbe553bcff7d16e"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$pdb1 = "G:\\VP-S-Fin\\memory\\" ascii
		$pdb2 = "G:\\VP-S-Fin\\Margulas\\" ascii
		$pdb3 = "G:\\VP-S-Fin\\remote" ascii
		$pdb4 = "G:\\VP-S-Fin\\" ascii
		$s1 = "/C choice /C Y /N /D Y /T 1 & Del " fullword wide
		$s2 = "strToHash" fullword ascii
		$s3 = "\\socking" fullword wide
		$s4 = "\\wininets" fullword wide
		$s5 = "ClientSocket" fullword ascii
		$s6 = "new Stream()" fullword wide
		$s7 = "CipherText" fullword ascii
		$s8 = "WriteAllBytes" fullword ascii
		$s9 = { 00 50 72 6f 63 65 73 73 00 45 78 69 73 74 73 00}
		$s10 = "pxR/THCwdLuruMmw8wB8xAUvbno1yPGBTOV9IoOkAp/n7+paQm74pkzlfSKDpAKfTOV9IoOkAp9M5X0ig6QCn0zlfSKDpAKfTOV9IoOkAp" wide
		$c1 = "149.248.52.61" wide
		$c2 = "://vpn.nic.in" wide
		$c3 = "://www.mod.gov.in/dod/sites/default/files/" wide

	condition:
		uint16( 0 ) == 0x5a4d and ( ( 1 of ( $pdb* ) and ( 1 of ( $c* ) or 3 of ( $s* ) ) ) or ( 1 of ( $c* ) and 3 of ( $s* ) ) or ( 6 of ( $s* ) ) )
}