Backdoor_Linux_Mirai_CF_MTB

YARA detection rule by roadwy

Backdoor:Linux/Mirai.CF!MTB,SIGNATURE_TYPE_ELFHSTR_EXT,02 00 02 00 04 00 00

rule Backdoor_Linux_Mirai_CF_MTB{
	meta:
		description = "Backdoor:Linux/Mirai.CF!MTB,SIGNATURE_TYPE_ELFHSTR_EXT,02 00 02 00 04 00 00 "
		
	strings :
		$a_00_0 = {47 45 54 20 2f 62 6f 74 2e 73 68 } 		$a_00_1 = {61 64 6d 69 6e 58 58 58 58 31 32 33 34 } 		$a_00_2 = {2f 62 69 6e 2f 62 75 73 79 62 6f 78 20 74 66 74 70 20 2d 72 20 62 6f 74 2e 25 73 20 2d 6c 20 2e 62 20 2d 67 20 25 64 2e 25 64 2e 25 64 2e 25 64 3b 20 2f 62 69 6e 2f 62 75 73 79 62 6f 78 20 63 68 6d 6f 64 20 37 37 37 20 2e 62 3b 20 2e 2f 2e 62 20 73 63 61 6e 2e 74 66 74 70 2e 25 73 } 		$a_00_3 = {2f 62 69 6e 2f 62 75 73 79 62 6f 78 20 77 67 65 74 20 68 74 74 70 3a 2f 2f 25 64 2e 25 64 2e 25 64 2e 25 64 2f 62 6f 74 2e 25 73 20 2d 4f 20 2d 3e 20 2e 62 3b 20 2f 62 69 6e 2f 62 75 73 79 62 6f 78 20 63 68 6d 6f 64 20 37 37 37 20 2e 62 3b 20 2e 2f 2e 62 20 73 63 61 6e 2e 77 67 65 74 2e 25 73 3b 20 3e 2e 62 } 	condition:
		((#a_00_0  & 1)*1+(#a_00_1  & 1)*1+(#a_00_2  & 1)*2+(#a_00_3  & 1)*2) >=2
 
}

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

12d9f462-0cbd-4197-86a9-96a8dd7a62eb

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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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