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LOLDRIVERS_MAL_Driver_Gentilkiwibenjamindelpy_Mimidrv_Mimidrvmimikatz_0740

Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - mimidrv.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
2026-04-28
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 - mimidrv.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 8 patterns (0 text, 8 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

mal-driver-gentilkiwibenjamindelpy-mimidrv-mimidrvmimikatz-0740.yarApache License 2.0
rule LOLDRIVERS_MAL_Driver_Gentilkiwibenjamindelpy_Mimidrv_Mimidrvmimikatz_0740
{
	meta:
		description = "Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - mimidrv.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 = "d112acd2-b22a-503a-b30f-a47f24cd88fc"
		date = "2026-04-28"
		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#L253-L286"
		license_url = "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/LICENSE"
		hash = "0740359baef32cbb0b14a9d1bd3499ea2e770ff9b1c85898cfac8fd9aca4fa39"
		hash = "0f7bfa10075bf5c193345866333d415509433dbfe5a7d45664b88d72216ff7c3"
		hash = "29348ebe12d872c5f40e316a0043f7e5babe583374487345a79bad0ba93fbdfe"
		hash = "2da2b883e48e929f5365480d487590957d9e6582cc6da2c0b42699ba85e54fe2"
		hash = "3b2cd65a4fbdd784a6466e5196bc614c17d1dbaed3fd991d242e3be3e9249da6"
		hash = "469713c76c7a887826611b8c7180209a8bb6250f91d0f1eb84ac4d450ef15870"
		hash = "4af8192870afe18c77381dfaf8478f8914fa32906812bb53073da284a49ae4c7"
		hash = "62764ddc2dce74f2620cd2efd97a2950f50c8ac5a1f2c1af00dc5912d52f6920"
		hash = "818787057fc60ac8b957aa37d750aa4bace8e6a07d3d28b070022ee6dcd603ab"
		hash = "897f2bbe81fc3b1ae488114b93f3eb0133a85678d061c7a6f718507971f33736"
		hash = "9dc7beb60a0a6e7238fc8589b6c2665331be1e807b4d2b3ddd1c258dbbd3e2f7"
		hash = "af4f42197f5ce2d11993434725c81ecb6f54025110dedf56be8ffc0e775d9895"
		hash = "bcb774b6f6ff504d2db58096601bc5cb419c169bfbeaa3af852417e87d9b2aa0"
		hash = "ddf427ce55b36db522f638ba38e34cd7b96a04cb3c47849b91e7554bfd09a69a"
		hash = "e4b2c0aa28aac5e197312a061b05363e2e0387338b28b23272b5b6659d29b1d8"
		logic_hash = "d982a7c23da64204a368e3931894568f1b37ed013ab440bc2051c13a0e2bb053"
		score = 70
		quality = 80
		tags = ""

	strings:
		$ = { 460069006c0065004400650073006300720069007000740069006f006e00[1-8]6d0069006d006900640072007600200066006f0072002000570069006e0064006f0077007300200028006d0069006d0069006b00610074007a002900 }
		$ = { 43006f006d00700061006e0079004e0061006d006500[1-8]670065006e00740069006c006b0069007700690020002800420065006e006a0061006d0069006e002000440045004c00500059002900 }
		$ = { 460069006c006500560065007200730069006f006e00[1-8]32002e0031002e0030002e003000 }
		$ = { 500072006f006400750063007400560065007200730069006f006e00[1-8]32002e0031002e0030002e003000 }
		$ = { 49006e007400650072006e0061006c004e0061006d006500[1-8]6d0069006d006900640072007600 }
		$ = { 500072006f0064007500630074004e0061006d006500[1-8]6d0069006d006900640072007600200028006d0069006d0069006b00610074007a002900 }
		$ = { 4f0072006900670069006e0061006c00460069006c0065006e0061006d006500[1-8]6d0069006d0069006400720076002e00730079007300 }
		$ = { 4c006500670061006c0043006f007000790072006900670068007400[1-8]43006f00700079007200690067006800740020002800630029002000320030003000370020002d00200032003000310036002000670065006e00740069006c006b0069007700690020002800420065006e006a0061006d0069006e002000440045004c00500059002900 }

	condition:
		all of them
}

Strings (8 patterns)

IdentifierTypeValueModifiers
$hex{ 460069006c0065004400650073006300720069007000740069006f006e00[1-8]6d0069006d006900640072007600200066006f0072002000570069006e0064006f0077007300200028006d0069006 …
$hex{ 43006f006d00700061006e0079004e0061006d006500[1-8]670065006e00740069006c006b0069007700690020002800420065006e006a0061006d0069006e002000440045004c00500059002900 …
$hex{ 460069006c006500560065007200730069006f006e00[1-8]32002e0031002e0030002e003000 }
$hex{ 500072006f006400750063007400560065007200730069006f006e00[1-8]32002e0031002e0030002e003000 }
$hex{ 49006e007400650072006e0061006c004e0061006d006500[1-8]6d0069006d006900640072007600 }
$hex{ 500072006f0064007500630074004e0061006d006500[1-8]6d0069006d006900640072007600200028006d0069006d0069006b00610074007a002900 }
$hex{ 4f0072006900670069006e0061006c00460069006c0065006e0061006d006500[1-8]6d0069006d0069006400720076002e00730079007300 }
$hex{ 4c006500670061006c0043006f007000790072006900670068007400[1-8]43006f00700079007200690067006800740020002800630029002000320030003000370020002d0020003200300031003 …

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).

  • 0740359baef32cbb0b14a9d1bd3499ea2e770ff9b1c85898cfac8fd9aca4fa39
  • 0f7bfa10075bf5c193345866333d415509433dbfe5a7d45664b88d72216ff7c3
  • 29348ebe12d872c5f40e316a0043f7e5babe583374487345a79bad0ba93fbdfe
  • 2da2b883e48e929f5365480d487590957d9e6582cc6da2c0b42699ba85e54fe2
  • 3b2cd65a4fbdd784a6466e5196bc614c17d1dbaed3fd991d242e3be3e9249da6
  • 469713c76c7a887826611b8c7180209a8bb6250f91d0f1eb84ac4d450ef15870
  • 4af8192870afe18c77381dfaf8478f8914fa32906812bb53073da284a49ae4c7
  • 62764ddc2dce74f2620cd2efd97a2950f50c8ac5a1f2c1af00dc5912d52f6920
  • 818787057fc60ac8b957aa37d750aa4bace8e6a07d3d28b070022ee6dcd603ab
  • 897f2bbe81fc3b1ae488114b93f3eb0133a85678d061c7a6f718507971f33736
  • 9dc7beb60a0a6e7238fc8589b6c2665331be1e807b4d2b3ddd1c258dbbd3e2f7
  • af4f42197f5ce2d11993434725c81ecb6f54025110dedf56be8ffc0e775d9895
  • bcb774b6f6ff504d2db58096601bc5cb419c169bfbeaa3af852417e87d9b2aa0
  • ddf427ce55b36db522f638ba38e34cd7b96a04cb3c47849b91e7554bfd09a69a
  • e4b2c0aa28aac5e197312a061b05363e2e0387338b28b23272b5b6659d29b1d8

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: d112acd2-b22a-503a-b30f-a47f24cd88fc