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YARA · Signature Base (Florian Roth / Nextron)

SIGNATURE_BASE_MAL_Driver_773B_1

Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - mimidrv.sys

MalwareSignature Base (Florian Roth / Nextron)Detection Rule License 1.1Compiles with YARA-X
Author
Florian Roth
Date
2024-08-07
Modified
2024-12-12
Score / Quality
70 / 85

What this rule detects

Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - mimidrv.sys

It defines 3 patterns (0 text, 3 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
mal-driver-773b-1.yarDetection Rule License 1.1
rule SIGNATURE_BASE_MAL_Driver_773B_1
{
	meta:
		description = "Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - mimidrv.sys"
		author = "Florian Roth"
		id = "f47ab2f1-86f6-5550-939e-4477ec1c367c"
		date = "2024-08-07"
		modified = "2024-12-12"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		source_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/yara/yara-rules_mal_drivers.yar#L590-L605"
		license_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
		hash = "773b4a1efb9932dd5116c93d06681990759343dfe13c0858d09245bc610d5894"
		logic_hash = "5e01850384ac0dc0e9f33e3e217e0e824cfe3c2bb46feff94dffa070f2f7c9a0"
		score = 70
		quality = 85
		tags = ""

	strings:
		$ = { 00460069006c006500560065007200730069006f006e[1-8]0032002e0031002e0031002e0030 }
		$ = { 00500072006f006400750063007400560065007200730069006f006e[1-8]0032002e0031002e0031002e0030 }
		$ = { 004c006500670061006c0043006f0070007900720069006700680074[1-8]0043006f00700079007200690067006800740020002800630029002000320030003000370020002d002000320030003100370020 }

	condition:
		all of them
}

Strings (3 patterns)

IdentifierTypeValueModifiers
$hex{ 00460069006c006500560065007200730069006f006e[1-8]0032002e0031002e0031002e0030 }
$hex{ 00500072006f006400750063007400560065007200730069006f006e[1-8]0032002e0031002e0031002e0030 }
$hex{ 004c006500670061006c0043006f0070007900720069006700680074[1-8]0043006f00700079007200690067006800740020002800630029002000320030003000370020002d00200032003000310 …

Condition

all of them

In plain words (Heuristic)

  • All patterns in the rule must match.

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References

Sample hashes

Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).

  • 773b4a1efb9932dd5116c93d06681990759343dfe13c0858d09245bc610d5894

Licence & attribution

Author: Florian Roth

Source repository: Signature Base (Florian Roth / Nextron) @ 94a1c48d7a

Licence: Detection Rule License 1.1 (repository licence)

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: f47ab2f1-86f6-5550-939e-4477ec1c367c

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