Trojan_Win32_Delf_RRB

YARA detection rule by roadwy

Trojan:Win32/Delf.RRB,SIGNATURE_TYPE_PEHSTR_EXT,04 00 04 00 04 00 00

rule Trojan_Win32_Delf_RRB{
	meta:
		description = "Trojan:Win32/Delf.RRB,SIGNATURE_TYPE_PEHSTR_EXT,04 00 04 00 04 00 00 "
		
	strings :
		$a_01_0 = {78 78 2d 21 40 23 24 78 78 } 		$a_01_1 = {3c 69 66 72 61 6d 65 20 73 72 63 3d 22 68 74 74 70 3a 2f 2f 6c 6f 63 61 6c 68 6f 73 74 3a 39 37 2f 61 2e 68 74 6d 22 20 2f 3e } 		$a_01_2 = {5f 6a 64 66 77 6b 65 79 3d 63 77 25 64 7c 68 74 74 70 3a 2f 2f 77 77 77 2e 67 6b 36 36 2e 63 6e 2f } 		$a_03_3 = {24 24 61 2e 62 61 74 ?? ?? ?? ?? ?? ?? ?? ?? ?? 3a 74 72 79 } 	condition:
		((#a_01_0  & 1)*1+(#a_01_1  & 1)*1+(#a_01_2  & 1)*1+(#a_03_3  & 1)*1) >=4
 
}

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

02ad1cab-3000-4ce4-9ed5-9b7c5e36b2cd

Propose edits, view related rules, and engage with the community through comments.

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 ]]

Community Discussion