Backdoor_Win32_Zegost_N

YARA detection rule by roadwy

Backdoor:Win32/Zegost.N,SIGNATURE_TYPE_PEHSTR_EXT,04 00 04 00 04 00 00

rule Backdoor_Win32_Zegost_N{
	meta:
		description = "Backdoor:Win32/Zegost.N,SIGNATURE_TYPE_PEHSTR_EXT,04 00 04 00 04 00 00 "
		
	strings :
		$a_03_0 = {53 c6 44 24 ?? 70 c6 44 24 ?? 69 c6 44 24 ?? 64 8b 54 24 ?? 8d 8e ?? ?? ?? ?? c6 44 24 ?? 65 c6 44 24 ?? 72 } 		$a_03_1 = {7e 1a 53 8b 54 24 ?? 8a 1c 11 80 f3 ?? 88 1c 11 41 3b c8 7c ee } 		$a_00_2 = {53 70 69 64 65 72 20 25 64 } 		$a_00_3 = {5c 63 6f 6d 5c 73 79 73 6c 6f 67 2e 64 61 74 00 25 73 5c 25 64 2e 62 61 6b } 	condition:
		((#a_03_0  & 1)*2+(#a_03_1  & 1)*2+(#a_00_2  & 1)*1+(#a_00_3  & 1)*1) >=4
 
}

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

57f61455-dc68-4b24-8ccd-8c6850d8b19a

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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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