Backdoor_Linux_Flosax_A_2

YARA detection rule by roadwy

Backdoor:Linux/Flosax.A,SIGNATURE_TYPE_MACHOHSTR_EXT,05 00 04 00 0c 00 00

rule Backdoor_Linux_Flosax_A_2{
	meta:
		description = "Backdoor:Linux/Flosax.A,SIGNATURE_TYPE_MACHOHSTR_EXT,05 00 04 00 0c 00 00 "
		
	strings :
		$a_01_0 = {7b 5f 78 70 63 5f 63 6f 6e 6e 65 63 74 69 6f 6e 5f 73 3d 7d } 		$a_01_1 = {4c 69 62 72 61 72 79 2f 4c 61 75 6e 63 68 41 67 65 6e 74 73 2f 63 6f 6d 2e 61 70 70 6c 65 2e 6d 64 77 6f 72 6b 65 72 2e 70 6c 69 73 74 } 		$a_01_2 = {2f 53 79 73 74 65 6d 2f 4c 69 62 72 61 72 79 2f 46 72 61 6d 65 77 6f 72 6b 73 2f 46 6f 75 6e 64 61 74 69 6f 6e 2e 66 72 61 6d 65 77 6f 72 6b 2f 58 50 43 53 65 72 76 69 63 65 73 } 		$a_01_3 = {63 72 65 61 74 65 53 4c 49 50 6c 69 73 74 57 69 74 68 42 61 63 6b 64 6f 6f 72 } 		$a_01_4 = {5f 64 72 6f 70 4f 73 61 78 42 75 6e 64 6c 65 } 		$a_01_5 = {70 6c 61 63 65 43 61 6c 6c 54 6f 48 6f 6f 6b } 		$a_01_6 = {53 65 6e 64 4d 65 73 73 61 67 65 48 6f 6f 6b 3a 63 63 68 54 65 78 74 3a 69 6e 48 54 4d 4c 3a } 		$a_01_7 = {52 43 53 4d 41 67 65 6e 74 41 70 70 6c 69 63 61 74 69 6f 6e } 		$a_01_8 = {63 6f 6d 2e 61 70 70 6c 65 2e 6d 64 77 6f 72 6b 65 72 5f 73 65 72 76 65 72 } 		$a_01_9 = {6d 41 67 65 6e 74 43 6f 6e 66 69 67 75 72 61 74 69 6f 6e } 		$a_01_10 = {68 6f 6f 6b 4b 65 79 62 6f 61 72 64 41 6e 64 4d 6f 75 73 65 } 		$a_01_11 = {69 73 41 43 72 69 73 69 73 41 70 70 } 	condition:
		((#a_01_0  & 1)*1+(#a_01_1  & 1)*1+(#a_01_2  & 1)*1+(#a_01_3  & 1)*1+(#a_01_4  & 1)*1+(#a_01_5  & 1)*1+(#a_01_6  & 1)*1+(#a_01_7  & 1)*1+(#a_01_8  & 1)*1+(#a_01_9  & 1)*1+(#a_01_10  & 1)*1+(#a_01_11  & 1)*1) >=4
 
}

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

b3492aa7-4ae0-47e1-bcd0-ef9e5e06a36e

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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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