Trojan_Win32_Neysd_A

YARA detection rule by roadwy

Trojan:Win32/Neysd.A,SIGNATURE_TYPE_PEHSTR_EXT,04 00 04 00 05 00 00

rule Trojan_Win32_Neysd_A{
	meta:
		description = "Trojan:Win32/Neysd.A,SIGNATURE_TYPE_PEHSTR_EXT,04 00 04 00 05 00 00 "
		
	strings :
		$a_01_0 = {25 73 3f 61 61 61 61 3d 33 33 33 33 26 66 66 66 66 3d 25 73 } 		$a_01_1 = {25 73 3a 52 55 4e 5f 52 45 42 4f 4f 54 } 		$a_01_2 = {50 61 73 73 77 6f 72 64 20 45 78 70 69 72 69 65 64 20 54 69 6d 65 3a } 		$a_01_3 = {63 65 72 74 32 30 31 33 2e 64 61 74 } 		$a_00_4 = {53 44 5f 32 30 31 33 20 49 73 20 52 75 6e 6e 69 6e 67 21 } 	condition:
		((#a_01_0  & 1)*1+(#a_01_1  & 1)*1+(#a_01_2  & 1)*1+(#a_01_3  & 1)*1+(#a_00_4  & 1)*1) >=4
 
}

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

202483a3-efa7-4758-a49c-578e59bfb9e3

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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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