Backdoor_Linux_Mirai_HZ_MTB

YARA detection rule by roadwy

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

rule Backdoor_Linux_Mirai_HZ_MTB{
	meta:
		description = "Backdoor:Linux/Mirai.HZ!MTB,SIGNATURE_TYPE_ELFHSTR_EXT,02 00 02 00 02 00 00 "
		
	strings :
		$a_03_0 = {41 54 31 c0 be 00 08 01 00 55 53 31 db 48 81 ec ?? 00 00 00 e8 57 fd ff ff 85 c0 89 c5 0f 88 ?? ?? ?? ?? 48 89 e6 89 c7 e8 8b 29 00 00 85 c0 78 ?? 31 c0 ba 01 00 00 00 be 02 00 00 00 89 ef } 		$a_03_1 = {c7 00 00 00 00 00 be 02 00 00 00 bf 02 00 00 00 e8 86 11 00 00 89 c5 31 c0 83 fd ff 74 ?? ba 10 00 00 00 48 89 e6 89 ef 66 c7 04 24 02 00 c7 44 24 04 08 08 08 08 66 c7 44 24 02 00 35 e8 f1 0f 00 00 ?? ?? ?? ?? ?? 48 89 e6 89 ef } 	condition:
		((#a_03_0  & 1)*1+(#a_03_1  & 1)*1) >=2
 
}

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

71690df1-8a60-4e19-a02d-4b216538b1f5

Propose edits, view related rules, and engage with the community through comments.

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 ]]

Community Discussion