Backdoor_Linux_Mirai_B_MTB

YARA detection rule by roadwy

Backdoor:Linux/Mirai.B!MTB,SIGNATURE_TYPE_ELFHSTR_EXT,05 00 05 00 05 00 00

rule Backdoor_Linux_Mirai_B_MTB{
	meta:
		description = "Backdoor:Linux/Mirai.B!MTB,SIGNATURE_TYPE_ELFHSTR_EXT,05 00 05 00 05 00 00 "
		
	strings :
		$a_00_0 = {61 69 72 64 72 6f 70 6d 61 6c 77 61 72 65 } 		$a_00_1 = {54 73 75 6e 61 6d 69 } 		$a_00_2 = {4b 49 4c 4c 41 54 54 4b } 		$a_00_3 = {79 6f 75 72 5f 76 65 72 72 79 5f 66 75 63 6b 69 6e 67 5f 67 61 79 } 		$a_00_4 = {77 67 65 74 2b 68 74 74 70 25 33 41 25 32 46 25 32 46 31 37 39 2e 34 33 2e 31 34 39 2e 31 38 39 25 32 46 62 69 6e 73 25 32 46 6c 69 6e 6b 73 79 73 2e 63 6c 6f 75 64 62 6f 74 25 33 42 2b 63 68 6d 6f 64 2b 37 37 37 2b 6c 69 6e 6b 73 79 73 2e 63 6c 6f 75 64 62 6f 74 25 33 42 2b 2e 25 32 46 6c 69 6e 6b 73 79 73 2e 63 6c 6f 75 64 62 6f 74 2b 6c 69 6e 6b 73 79 73 2e 63 6c 6f 75 64 62 6f 74 25 36 30 } 	condition:
		((#a_00_0  & 1)*1+(#a_00_1  & 1)*1+(#a_00_2  & 1)*1+(#a_00_3  & 1)*1+(#a_00_4  & 1)*1) >=5
 
}

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

2f892504-a720-4da1-8423-6df9f711e7be

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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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