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LOLDRIVERS_MAL_Driver_501E

Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - kernel_utility_driver64.sys, kernel_utility_driver32.sys. Investigate matches in context: expected filenames or standard vendor/system driver locations can be lower priority, while unexpected filenames or paths are more suspicious.

Vulnerable / malicious driverLOLDriversApache License 2.0Compiles with YARA-X
Author
Florian Roth
Date
2026-08-28
Modified
2026-09-08
Score / Quality
70 / 80

What this rule detects

Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - kernel_utility_driver64.sys, kernel_utility_driver32.sys. Investigate matches in context: expected filenames or standard vendor/system driver locations can be lower priority, while unexpected filenames or paths are more suspicious.

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-501e.yarApache License 2.0
rule LOLDRIVERS_MAL_Driver_501E
{
	meta:
		description = "Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - kernel_utility_driver64.sys, kernel_utility_driver32.sys. Investigate matches in context: expected filenames or standard vendor/system driver locations can be lower priority, while unexpected filenames or paths are more suspicious."
		author = "Florian Roth"
		id = "74880e73-3ec7-502d-adbc-3a64bf14a8cd"
		date = "2026-08-28"
		modified = "2026-09-08"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		source_url = "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/detections/yara/yara-rules_mal_drivers.yar#L1-L16"
		license_url = "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/LICENSE"
		hash = "501ea082774f29adc752887402af6df0edf49bf7b3816b93f6e52c06a79685bc"
		hash = "962fb670510807fd5cab3a6e6f886aeb2b925c42054c29fa02f67011be935954"
		logic_hash = "24ba91a218e2dd4c2b02a88f522d7bc72864f1be574abd403e6a457c32e6cbc9"
		score = 70
		quality = 80
		tags = ""

	strings:
		$ = { 460069006c006500560065007200730069006f006e00[1-8]31002c0035003000320036002c0031003000300030002c00310032003700 }
		$ = { 500072006f006400750063007400560065007200730069006f006e00[1-8]31002c0035003000320036002c0031003000300030002c00310032003700 }
		$ = { 4c006500670061006c0043006f007000790072006900670068007400[1-8]48724367406209672000280043002900200032003000310030002d003200300032003600 }

	condition:
		all of them
}

Strings (3 patterns)

IdentifierTypeValueModifiers
$hex{ 460069006c006500560065007200730069006f006e00[1-8]31002c0035003000320036002c0031003000300030002c00310032003700 }
$hex{ 500072006f006400750063007400560065007200730069006f006e00[1-8]31002c0035003000320036002c0031003000300030002c00310032003700 }
$hex{ 4c006500670061006c0043006f007000790072006900670068007400[1-8]48724367406209672000280043002900200032003000310030002d003200300032003600 }

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).

  • 501ea082774f29adc752887402af6df0edf49bf7b3816b93f6e52c06a79685bc
  • 962fb670510807fd5cab3a6e6f886aeb2b925c42054c29fa02f67011be935954

Licence & attribution

Author: Florian Roth

Source repository: LOLDrivers @ 9fa32adeab

Licence: Apache License 2.0 (repository licence)

Original rule

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

Rule id: 74880e73-3ec7-502d-adbc-3a64bf14a8cd

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