TrojanDownloader_Win32_Janabanc_B_bit

YARA detection rule by roadwy

TrojanDownloader:Win32/Janabanc.B!bit,SIGNATURE_TYPE_PEHSTR_EXT,04 00 04 00 04 00 00

rule TrojanDownloader_Win32_Janabanc_B_bit{
	meta:
		description = "TrojanDownloader:Win32/Janabanc.B!bit,SIGNATURE_TYPE_PEHSTR_EXT,04 00 04 00 04 00 00 "
		
	strings :
		$a_01_0 = {4a 61 6e 65 6c 61 73 64 6f 57 4e } 		$a_01_1 = {38 47 46 46 34 58 4c 42 37 57 48 4d 37 58 37 58 4b 4c 4a 33 51 45 59 4e 4c 47 42 54 34 41 46 32 48 4c 37 42 39 48 } 		$a_00_2 = {73 61 4e 6f 41 75 74 68 65 6e 74 69 63 61 74 69 6f 6e 12 73 61 55 73 65 72 6e 61 6d 65 50 61 73 73 77 6f 72 64 07 49 64 53 6f 63 6b 73 } 		$a_03_3 = {c2 08 00 53 a1 ?? ?? ?? ?? 83 38 00 74 ?? 8b 1d ?? ?? ?? ?? 8b 1b ff d3 5b c3 ?? 55 8b ec 51 53 56 57 89 4d fc 8b da 8b f0 8b c3 ff 50 f4 } 	condition:
		((#a_01_0  & 1)*1+(#a_01_1  & 1)*1+(#a_00_2  & 1)*1+(#a_03_3  & 1)*1) >=4
 
}

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

7f076da2-f842-4994-b2ae-d5bb9398d804

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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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