Backdoor_Win32_PcClient

YARA detection rule by roadwy

Backdoor:Win32/PcClient,SIGNATURE_TYPE_PEHSTR_EXT,6f 00 6f 00 0c 00 00

rule Backdoor_Win32_PcClient{
	meta:
		description = "Backdoor:Win32/PcClient,SIGNATURE_TYPE_PEHSTR_EXT,6f 00 6f 00 0c 00 00 "
		
	strings :
		$a_00_0 = {5c 73 76 63 68 6f 73 74 2e 65 78 65 } 		$a_02_1 = {43 3a 5c 57 49 4e 44 4f 57 53 5c 53 59 53 54 45 4d 33 32 5c [0-20] 2e 64 6c 6c } 		$a_02_2 = {43 3a 5c 57 49 4e 44 4f 57 53 5c 53 59 53 54 45 4d 33 32 5c 64 72 69 76 65 72 73 5c [0-20] 2e 73 79 73 } 		$a_02_3 = {43 3a 5c 57 49 4e 44 4f 57 53 5c 53 59 53 54 45 4d 33 32 5c [0-20] 2e 64 72 76 } 		$a_02_4 = {43 3a 5c 57 49 4e 44 4f 57 53 5c 53 59 53 54 45 4d 33 32 5c [0-20] 2e 70 78 79 } 		$a_00_5 = {63 6d 64 2e 65 78 65 } 		$a_00_6 = {53 74 72 53 74 72 41 } 		$a_00_7 = {4f 70 65 6e 53 65 72 76 69 63 65 41 } 		$a_00_8 = {43 6c 6f 73 65 53 65 72 76 69 63 65 48 61 6e 64 6c 65 } 		$a_00_9 = {44 65 6c 65 74 65 53 65 72 76 69 63 65 } 		$a_00_10 = {4f 70 65 6e 53 43 4d 61 6e 61 67 65 72 41 } 		$a_01_11 = {5c 73 76 63 68 6f 73 74 2e 65 78 65 00 00 00 00 44 6f 53 65 72 76 69 63 65 00 00 00 75 70 64 61 74 65 65 76 65 6e 74 00 25 73 3d 00 2e 73 79 73 00 00 00 00 64 72 69 76 65 72 73 5c 00 00 00 00 2e 70 78 79 00 00 00 00 2e 64 72 76 00 00 00 00 2e 64 6c 6c 00 } 	condition:
		((#a_00_0  & 1)*1+(#a_02_1  & 1)*1+(#a_02_2  & 1)*1+(#a_02_3  & 1)*1+(#a_02_4  & 1)*1+(#a_00_5  & 1)*1+(#a_00_6  & 1)*1+(#a_00_7  & 1)*1+(#a_00_8  & 1)*1+(#a_00_9  & 1)*1+(#a_00_10  & 1)*1+(#a_01_11  & 1)*100) >=111
 
}

[[ currentRule.title && currentRule.title.length > 60 ? currentRule.title.slice(0, 60) + '…' : currentRule.title ]]

9f94bcba-dd5a-4280-8439-28e34bbb1c64

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Executable code, not a declarative rule

This submission is arbitrary [[ currentRule.format ? currentRule.format.toUpperCase() : '' ]] code, not a declarative detection rule — review it as you would any script before running it, and note that it cannot be safely aggregated or auto-executed alongside YARA/Sigma/Suricata/CRS rules.

Rejected pattern present

[[ reason ]]

What does this mean?

Format & documentation suggestions

Not a security issue — this rule is valid and was accepted as-is. These are optional fields/conventions its own format recommends, mainly affecting its quality score and how well it documents itself for other reviewers.

[[ reason ]]

What do these messages mean?

[[ currentRule.title && currentRule.title.length > 60 ? currentRule.title.slice(0, 60) + '…' : currentRule.title ]]

[[ currentRule.title ]]

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