Backdoor_Win32_Agent_HA

YARA detection rule by roadwy

Backdoor:Win32/Agent.HA,SIGNATURE_TYPE_PEHSTR_EXT,37 00 2d 00 18 00 00

rule Backdoor_Win32_Agent_HA{
	meta:
		description = "Backdoor:Win32/Agent.HA,SIGNATURE_TYPE_PEHSTR_EXT,37 00 2d 00 18 00 00 "
		
	strings :
		$a_00_0 = {33 c0 85 f6 7e 08 30 04 38 40 3b c6 7c f8 80 24 37 00 8b c7 } 		$a_00_1 = {73 42 6f 74 } 		$a_00_2 = {62 6f 74 20 6b 69 6c 6c 65 72 } 		$a_00_3 = {62 6f 74 20 6b 69 6c 6c 65 72 20 74 68 72 65 61 64 } 		$a_00_4 = {55 6e 69 6e 73 74 61 6c 6c 69 6e 67 20 62 6f 74 2e 2e 2e } 		$a_00_5 = {45 72 72 6f 72 20 74 65 72 6d 69 6e 61 74 69 6e 67 20 62 6f 74 6b 69 6c 6c 65 72 } 		$a_00_6 = {53 70 79 62 6f 74 } 		$a_00_7 = {4c 4f 47 49 4e 20 4c 6f 67 67 65 64 20 75 73 65 72 20 25 73 20 69 6e 74 6f 20 62 6f 74 } 		$a_00_8 = {65 63 68 6f 20 6f 70 65 6e 20 25 73 20 3e 20 6f 26 65 63 68 6f 20 75 73 65 72 20 25 73 20 25 73 20 3e 3e 20 6f 20 26 65 63 68 6f 20 73 65 6e 64 } 		$a_00_9 = {4d 6f 72 70 68 65 75 73 2e 65 78 65 } 		$a_00_10 = {68 69 64 73 65 72 76 2e 65 78 65 } 		$a_00_11 = {6d 73 6e 6d 73 67 72 2e 65 78 65 } 		$a_00_12 = {6d 73 6e 75 70 64 61 74 65 2e 65 78 65 } 		$a_00_13 = {53 45 52 56 49 43 45 53 2e 45 58 45 } 		$a_00_14 = {65 78 70 6c 6f 72 65 72 2e 65 78 65 } 		$a_00_15 = {57 69 6e 45 78 65 63 } 		$a_01_16 = {52 65 61 64 50 72 6f 63 65 73 73 4d 65 6d 6f 72 79 } 		$a_01_17 = {43 72 65 61 74 65 54 6f 6f 6c 68 65 6c 70 33 32 53 6e 61 70 73 68 6f 74 } 		$a_00_18 = {53 4f 46 54 57 41 52 45 5c 4d 69 63 72 6f 73 6f 66 74 5c 57 69 6e 64 6f 77 73 5c 43 75 72 72 65 6e 74 56 65 72 73 69 6f 6e 5c 52 75 6e } 		$a_00_19 = {57 69 73 64 6f 6d } 		$a_00_20 = {74 69 74 66 75 63 6b } 		$a_00_21 = {26 65 63 68 6f 20 62 79 65 } 		$a_00_22 = {63 79 62 65 72 40 63 72 69 6d 65 2e 67 6f 76 } 		$a_00_23 = {57 69 6e 64 6f 77 73 20 55 70 64 61 74 65 72 20 53 65 72 76 69 63 65 73 } 	condition:
		((#a_00_0  & 1)*30+(#a_00_1  & 1)*10+(#a_00_2  & 1)*10+(#a_00_3  & 1)*10+(#a_00_4  & 1)*10+(#a_00_5  & 1)*10+(#a_00_6  & 1)*10+(#a_00_7  & 1)*10+(#a_00_8  & 1)*10+(#a_00_9  & 1)*2+(#a_00_10  & 1)*2+(#a_00_11  & 1)*1+(#a_00_12  & 1)*1+(#a_00_13  & 1)*2+(#a_00_14  & 1)*2+(#a_00_15  & 1)*1+(#a_01_16  & 1)*1+(#a_01_17  & 1)*1+(#a_00_18  & 1)*1+(#a_00_19  & 1)*1+(#a_00_20  & 1)*2+(#a_00_21  & 1)*2+(#a_00_22  & 1)*2+(#a_00_23  & 1)*1) >=45
 
}

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

c139ffbb-6a94-4106-93f7-1ba4c21b7695

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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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