Trojan_Win32_Chepdu_G

YARA detection rule by roadwy

Trojan:Win32/Chepdu.G,SIGNATURE_TYPE_PEHSTR,04 00 04 00 04 00 00

rule Trojan_Win32_Chepdu_G{
	meta:
		description = "Trojan:Win32/Chepdu.G,SIGNATURE_TYPE_PEHSTR,04 00 04 00 04 00 00 "
		
	strings :
		$a_01_0 = {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 49 6d 61 67 65 20 46 69 6c 65 20 45 78 65 63 75 74 69 6f 6e 20 4f 70 74 69 6f 6e 73 5c } 		$a_01_1 = {44 50 45 2e 44 4c 4c 00 44 6c 6c 43 61 6e 55 6e 6c 6f 61 64 4e 6f 77 } 		$a_01_2 = {55 52 4c 44 6f 77 6e 6c 6f 61 64 54 6f 46 69 6c 65 41 } 		$a_01_3 = {68 74 74 70 3a 00 78 6d 6c 77 69 6e 64 61 74 61 } 	condition:
		((#a_01_0  & 1)*1+(#a_01_1  & 1)*1+(#a_01_2  & 1)*1+(#a_01_3  & 1)*1) >=4
 
}

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

25f38dd1-0b4c-4c95-96f6-60d94f9fd939

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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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