Skip to content
yararules.org
Menu

YARA · Signature Base (Florian Roth / Nextron)

SIGNATURE_BASE_MAL_Driver_Mimidrv_Mimidrvmimikatz_2FAF_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 5 patterns (0 text, 5 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
mal-driver-mimidrv-mimidrvmimikatz-2faf-1.yarDetection Rule License 1.1
rule SIGNATURE_BASE_MAL_Driver_Mimidrv_Mimidrvmimikatz_2FAF_1
{
	meta:
		description = "Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - mimidrv.sys"
		author = "Florian Roth"
		id = "0160f2aa-f60f-5590-be0a-6751487eab92"
		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#L378-L395"
		license_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
		hash = "2faf95a3405578d0e613c8d88d534aa7233da0a6217ce8475890140ab8fb33c8"
		logic_hash = "e7b3f0a8f5a91896f7d487a39c622b12fc7488f9f80c80b6b551e7e5f6a67f18"
		score = 70
		quality = 85
		tags = ""

	strings:
		$ = { 00500072006f006400750063007400560065007200730069006f006e[1-8]0032002e0030002e0030002e0030 }
		$ = { 0049006e007400650072006e0061006c004e0061006d0065[1-8]006d0069006d0069006400720076 }
		$ = { 00500072006f0064007500630074004e0061006d0065[1-8]006d0069006d006900640072007600200028006d0069006d0069006b00610074007a0029 }
		$ = { 004f0072006900670069006e0061006c00460069006c0065006e0061006d0065[1-8]006d0069006d0069006400720076002e007300790073 }
		$ = { 004c006500670061006c0043006f0070007900720069006700680074[1-8]0043006f00700079007200690067006800740020002800630029002000320030003000370020002d00200032003000310035002000670065006e00740069006c006b0069007700690020002800420065006e006a0061006d0069006e002000440045004c005000590029 }

	condition:
		all of them
}

Strings (5 patterns)

IdentifierTypeValueModifiers
$hex{ 00500072006f006400750063007400560065007200730069006f006e[1-8]0032002e0030002e0030002e0030 }
$hex{ 0049006e007400650072006e0061006c004e0061006d0065[1-8]006d0069006d0069006400720076 }
$hex{ 00500072006f0064007500630074004e0061006d0065[1-8]006d0069006d006900640072007600200028006d0069006d0069006b00610074007a0029 }
$hex{ 004f0072006900670069006e0061006c00460069006c0065006e0061006d0065[1-8]006d0069006d0069006400720076002e007300790073 }
$hex{ 004c006500670061006c0043006f0070007900720069006700680074[1-8]0043006f00700079007200690067006800740020002800630029002000320030003000370020002d00200032003000310 …

Condition

all of them

In plain words (Heuristic)

  • All patterns in the rule must match.

Test this rule in your browser

Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.

Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

Open in editor

References

Sample hashes

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

  • 2faf95a3405578d0e613c8d88d534aa7233da0a6217ce8475890140ab8fb33c8

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: 0160f2aa-f60f-5590-be0a-6751487eab92

Related rules