Backdoor_BAT_WebShell_GMP_MTB

YARA detection rule by roadwy

Backdoor:BAT/WebShell.GMP!MTB,SIGNATURE_TYPE_PEHSTR_EXT,05 00 05 00 05 00 00

rule Backdoor_BAT_WebShell_GMP_MTB{
	meta:
		description = "Backdoor:BAT/WebShell.GMP!MTB,SIGNATURE_TYPE_PEHSTR_EXT,05 00 05 00 05 00 00 "
		
	strings :
		$a_01_0 = {41 70 70 5f 67 6c 6f 62 61 6c 2e 61 73 61 78 2e 73 76 77 6e 7a 6a 6b 6a } 		$a_80_1 = {42 61 63 6b 64 6f 6f 72 } 		$a_80_2 = {75 58 65 76 4e } 		$a_01_3 = {43 72 65 61 74 65 5f 41 53 50 5f 6d 65 6d 62 65 72 73 65 72 76 69 63 65 5f 61 6a 61 78 5f 34 30 34 5f 61 73 70 78 } 		$a_80_4 = {53 50 5f 6f 61 6d 65 74 68 6f 64 20 65 78 65 63 } 	condition:
		((#a_01_0  & 1)*1+(#a_80_1  & 1)*1+(#a_80_2  & 1)*1+(#a_01_3  & 1)*1+(#a_80_4  & 1)*1) >=5
 
}

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

e2ca2f6e-a4df-4ef9-9dfe-1910d2adc36b

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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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