RCryptorv1Vaska

YARA detection rule by malware-lu · GPL-2.0

Rule RCryptorv1Vaska (No description metadata provided).

import "pe"
rule RCryptorv1Vaska
{
      meta:
		author="malware-lu"
strings:
		$a0 = { 90 58 90 50 90 8B 00 90 3C 50 90 58 0F 85 67 D6 EF 11 50 68 }
	$a1 = { 90 58 90 50 90 8B 00 90 3C 50 90 58 0F 85 67 D6 EF 11 50 68 [4] B8 [4] 3D [4] 74 06 80 30 ?? 40 EB F3 }

condition:
		$a0 at pe.entry_point or $a1 at pe.entry_point
}

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

4933f0d6-da7f-4d6c-8b45-4611c1af3566

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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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