YARA · LOLDrivers

LOLDRIVERS_MAL_Driver_Crowdstrikeinc_Csagentsys_Crowdstrikefalconsensor_94B8

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

Vulnerable / malicious driverLOLDriversApache License 2.0Compiles with YARA-X

Author: Florian Roth
Date: 2025-09-18
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 - idmtdi.sys

It defines 8 patterns (0 text, 8 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar

mal-driver-crowdstrikeinc-csagentsys-crowdstrikefalconsensor-94b8.yarApache License 2.0

rule LOLDRIVERS_MAL_Driver_Crowdstrikeinc_Csagentsys_Crowdstrikefalconsensor_94B8
{
	meta:
		description = "Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - idmtdi.sys"
		author = "Florian Roth"
		id = "b3173c53-ef34-5722-8f49-dd596733c7fe"
		date = "2025-09-18"
		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#L129-L152"
		license_url = "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/LICENSE"
		hash = "94b87b1cdaf1d86c2bc4eacef45608d0f16fdd3b981b88cdddc16b6bc64fe25d"
		hash = "1e42c8cb410a7ed653cfe62bbd8cf191f31a47337fe1ffcc35232d03f2da05ef"
		hash = "6a2a0f9c56ee9bf7b62e1d4e1929d13046cd78a93d8c607fe4728cc5b1e8d050"
		hash = "efb642ad3fab4a2e6cb4de829b60e04dd0d9ae7c2b4cf544de28c38f978b4136"
		hash = "b2ff9ef50ae037bb003d7157ea8da008a48f715a78c644b5f027b070bf5eb049"
		logic_hash = "9376ab5835e07d117ee3d157713339c0ffeda2479cb8183dc82cfffcbb29971d"
		score = 70
		quality = 80
		tags = ""

	strings:
		$ = { 00460069006c0065004400650073006300720069007000740069006f006e[1-8]00430072006f007700640053007400720069006b0065002000460061006c0063006f006e002000530065006e0073006f00720020004400720069007600650072 }
		$ = { 0043006f006d00700061006e0079004e0061006d0065[1-8]00430072006f007700640053007400720069006b0065002c00200049006e0063002e }
		$ = { 00460069006c006500560065007200730069006f006e[1-8]0036002e00330034002e00310034003800300036002e0030 }
		$ = { 00500072006f006400750063007400560065007200730069006f006e[1-8]0036002e00330034002e00310034003800300036002e0030 }
		$ = { 0049006e007400650072006e0061006c004e0061006d0065[1-8]00430053004100670065006e0074002e007300790073 }
		$ = { 00500072006f0064007500630074004e0061006d0065[1-8]00430072006f007700640053007400720069006b0065002000460061006c0063006f006e002000530065006e0073006f0072 }
		$ = { 004f0072006900670069006e0061006c00460069006c0065006e0061006d0065[1-8]00430053004100670065006e0074002e007300790073 }
		$ = { 004c006500670061006c0043006f0070007900720069006700680074[1-8]002800630029002000430072006f007700640053007400720069006b0065002c00200049006e0063002e00200041006c006c0020007200690067006800740073002000720065007300650072007600650064002e }

	condition:
		all of them
}

Strings (8 patterns)

Identifier	Type	Value
$	hex	{ 00460069006c0065004400650073006300720069007000740069006f006e[1-8]00430072006f007700640053007400720069006b0065002000460061006c0063006f006e002000530065006e00730 …
$	hex	{ 0043006f006d00700061006e0079004e0061006d0065[1-8]00430072006f007700640053007400720069006b0065002c00200049006e0063002e }
$	hex	{ 00460069006c006500560065007200730069006f006e[1-8]0036002e00330034002e00310034003800300036002e0030 }
$	hex	{ 00500072006f006400750063007400560065007200730069006f006e[1-8]0036002e00330034002e00310034003800300036002e0030 }
$	hex	{ 0049006e007400650072006e0061006c004e0061006d0065[1-8]00430053004100670065006e0074002e007300790073 }
$	hex	{ 00500072006f0064007500630074004e0061006d0065[1-8]00430072006f007700640053007400720069006b0065002000460061006c0063006f006e002000530065006e0073006f0072 }
$	hex	{ 004f0072006900670069006e0061006c00460069006c0065006e0061006d0065[1-8]00430053004100670065006e0074002e007300790073 }
$	hex	{ 004c006500670061006c0043006f0070007900720069006700680074[1-8]002800630029002000430072006f007700640053007400720069006b0065002c00200049006e0063002e00200041006c0 …

Condition

all of them

In plain words (Heuristic)

All patterns in the rule must match.

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References

https://github.com/magicsword-io/LOLDrivers

Sample hashes

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

94b87b1cdaf1d86c2bc4eacef45608d0f16fdd3b981b88cdddc16b6bc64fe25d
1e42c8cb410a7ed653cfe62bbd8cf191f31a47337fe1ffcc35232d03f2da05ef
6a2a0f9c56ee9bf7b62e1d4e1929d13046cd78a93d8c607fe4728cc5b1e8d050
efb642ad3fab4a2e6cb4de829b60e04dd0d9ae7c2b4cf544de28c38f978b4136
b2ff9ef50ae037bb003d7157ea8da008a48f715a78c644b5f027b070bf5eb049

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: b3173c53-ef34-5722-8f49-dd596733c7fe

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