DefenderYara/Backdoor/Win32/Fribet/Backdoor_Win32_Fribet.yar

rule Backdoor_Win32_Fribet{
	meta:
		description = "Backdoor:Win32/Fribet,SIGNATURE_TYPE_PEHSTR_EXT,05 00 05 00 05 00 00 "
		
	strings :
		$a_01_0 = {66 72 65 65 74 69 62 65 74 2e 6c 61 6d 61 6c 69 66 65 2e 63 6f 6d } //1 freetibet.lamalife.com
		$a_01_1 = {66 72 65 65 20 74 69 62 65 74 } //1 free tibet
		$a_01_2 = {4d 72 78 79 4d 75 74 65 78 32 } //1 MrxyMutex2
		$a_01_3 = {44 6c 6c 4e 61 6d 65 00 53 4f 46 54 57 41 52 45 5c 4d 69 63 72 6f 73 6f 66 74 5c 57 69 6e 64 6f 77 73 20 4e 54 5c 43 75 72 72 65 6e 74 56 65 72 73 69 6f 6e 5c 57 69 6e 6c 6f 67 6f 6e 5c 4e 6f 74 69 66 79 5c 69 70 73 65 63 } //1 汄乬浡e体呆䅗䕒䵜捩潲潳瑦坜湩潤獷丠屔畃牲湥噴牥楳湯坜湩潬潧屮潎楴祦楜獰捥
		$a_01_4 = {46 6b 53 68 75 74 64 6f 77 6e 00 00 53 74 61 72 74 75 70 00 46 6b 53 74 61 72 74 75 70 00 00 00 63 6c 61 73 73 69 64 00 46 4b 69 6e 67 } //1
	condition:
		((#a_01_0  & 1)*1+(#a_01_1  & 1)*1+(#a_01_2  & 1)*1+(#a_01_3  & 1)*1+(#a_01_4  & 1)*1) >=5
 
}