Trojan_Win32_BHO_EF

YARA detection rule by roadwy

Trojan:Win32/BHO.EF,SIGNATURE_TYPE_PEHSTR_EXT,0a 00 0a 00 08 00 00

rule Trojan_Win32_BHO_EF{
	meta:
		description = "Trojan:Win32/BHO.EF,SIGNATURE_TYPE_PEHSTR_EXT,0a 00 0a 00 08 00 00 "
		
	strings :
		$a_00_0 = {65 3a 5c 4a 69 6e 5a 51 5c } 		$a_00_1 = {73 74 61 74 2e 77 61 6d 6d 65 2e 63 6e } 		$a_01_2 = {47 61 6d 65 56 65 72 73 69 6f 6e 55 70 64 61 74 65 } 		$a_00_3 = {43 3a 5c 57 49 4e 44 4f 57 53 5c 73 79 73 74 65 6d 33 32 5c 64 72 69 76 65 72 73 5c 65 74 63 5c 73 65 72 76 69 63 65 31 2e 69 6e 69 } 		$a_00_4 = {53 6f 66 74 77 61 72 65 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 50 6f 6c 69 63 69 65 73 5c 4e 65 74 77 6f 72 6b } 		$a_00_5 = {53 6f 66 74 77 61 72 65 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 50 6f 6c 69 63 69 65 73 5c 45 78 70 6c 6f 72 65 72 } 		$a_01_6 = {4e 6f 4e 65 74 43 6f 6e 6e 65 63 74 44 69 73 63 6f 6e 6e 65 63 74 } 		$a_00_7 = {25 32 5c 70 72 6f 74 6f 63 6f 6c 5c 53 74 64 46 69 6c 65 45 64 69 74 69 6e 67 5c 73 65 72 76 65 72 } 	condition:
		((#a_00_0  & 1)*4+(#a_00_1  & 1)*4+(#a_01_2  & 1)*2+(#a_00_3  & 1)*2+(#a_00_4  & 1)*1+(#a_00_5  & 1)*1+(#a_01_6  & 1)*1+(#a_00_7  & 1)*1) >=10
 
}

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

b105a061-c948-423c-92bc-9352da858d5b

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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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