Trojan_Win32_Startpage_KU

YARA detection rule by roadwy

Trojan:Win32/Startpage.KU,SIGNATURE_TYPE_PEHSTR_EXT,02 00 02 00 02 00 00

rule Trojan_Win32_Startpage_KU{
	meta:
		description = "Trojan:Win32/Startpage.KU,SIGNATURE_TYPE_PEHSTR_EXT,02 00 02 00 02 00 00 "
		
	strings :
		$a_03_0 = {6f 70 65 6e 20 43 3a 5c 50 72 6f 67 72 61 6d 20 46 69 6c 65 73 25 45 36 25 46 3d [0-20] 5c 49 6e 74 65 72 6e 65 74 20 45 78 70 6c 6f 72 65 72 5c 69 65 78 70 6c 6f 72 65 2e 65 78 65 00 } 		$a_03_1 = {68 74 74 70 3a 2f 2f 25 36 37 25 36 46 25 32 45 25 36 45 25 36 35 25 37 37 25 36 31 25 36 31 25 32 45 25 36 39 25 36 45 25 36 36 25 36 46 2f 3f 69 3d [0-02] 26 [0-30] 00 6f 70 65 6e 20 fe 81 11 5c 49 6e 74 65 72 6e 65 74 20 45 78 70 6c 6f 72 65 72 5c 69 65 78 70 6c 6f 72 65 2e 65 78 65 00 4e 75 6c 6c 73 6f 66 74 20 49 6e 73 74 61 6c 6c 20 53 79 73 74 65 6d 20 76 32 2e 34 35 00 } 	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 ]]

439b4f20-b29c-4262-93e5-8d9e5bf33c9d

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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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