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LOLDRIVERS_MAL_Driver_Crowdstrikeinc_Csagentsys_Crowdstrikefalconsensor_06EC

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

Download .yar
mal-driver-crowdstrikeinc-csagentsys-crowdstrikefalconsensor-06ec.yarApache License 2.0
rule LOLDRIVERS_MAL_Driver_Crowdstrikeinc_Csagentsys_Crowdstrikefalconsensor_06EC
{
	meta:
		description = "Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - changsha. 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 = "38c7c76c-3c1f-57ae-a667-5e3296258417"
		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#L103-L127"
		license_url = "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/LICENSE"
		hash = "06eccd102c9105957773b32538943531d9c39d0a504ceb3b9b155e97e3b0b134"
		hash = "1e42c8cb410a7ed653cfe62bbd8cf191f31a47337fe1ffcc35232d03f2da05ef"
		hash = "6a2a0f9c56ee9bf7b62e1d4e1929d13046cd78a93d8c607fe4728cc5b1e8d050"
		hash = "94b87b1cdaf1d86c2bc4eacef45608d0f16fdd3b981b88cdddc16b6bc64fe25d"
		hash = "b2ff9ef50ae037bb003d7157ea8da008a48f715a78c644b5f027b070bf5eb049"
		hash = "efb642ad3fab4a2e6cb4de829b60e04dd0d9ae7c2b4cf544de28c38f978b4136"
		logic_hash = "28b611b6df72d855592b7ed4e35343cf033f6dbcab76fb190a53314c415dd6df"
		score = 70
		quality = 80
		tags = ""

	strings:
		$ = { 460069006c0065004400650073006300720069007000740069006f006e00[1-8]430072006f007700640053007400720069006b0065002000460061006c0063006f006e002000530065006e0073006f0072002000440072006900760065007200 }
		$ = { 43006f006d00700061006e0079004e0061006d006500[1-8]430072006f007700640053007400720069006b0065002c00200049006e0063002e00 }
		$ = { 460069006c006500560065007200730069006f006e00[1-8]36002e00330034002e00310034003800300036002e003000 }
		$ = { 500072006f006400750063007400560065007200730069006f006e00[1-8]36002e00330034002e00310034003800300036002e003000 }
		$ = { 49006e007400650072006e0061006c004e0061006d006500[1-8]430053004100670065006e0074002e00730079007300 }
		$ = { 500072006f0064007500630074004e0061006d006500[1-8]430072006f007700640053007400720069006b0065002000460061006c0063006f006e002000530065006e0073006f007200 }
		$ = { 4f0072006900670069006e0061006c00460069006c0065006e0061006d006500[1-8]430053004100670065006e0074002e00730079007300 }
		$ = { 4c006500670061006c0043006f007000790072006900670068007400[1-8]2800630029002000430072006f007700640053007400720069006b0065002c00200049006e0063002e00200041006c006c0020007200690067006800740073002000720065007300650072007600650064002e00 }

	condition:
		all of them
}

Strings (8 patterns)

IdentifierTypeValueModifiers
$hex{ 460069006c0065004400650073006300720069007000740069006f006e00[1-8]430072006f007700640053007400720069006b0065002000460061006c0063006f006e002000530065006e0073006 …
$hex{ 43006f006d00700061006e0079004e0061006d006500[1-8]430072006f007700640053007400720069006b0065002c00200049006e0063002e00 }
$hex{ 460069006c006500560065007200730069006f006e00[1-8]36002e00330034002e00310034003800300036002e003000 }
$hex{ 500072006f006400750063007400560065007200730069006f006e00[1-8]36002e00330034002e00310034003800300036002e003000 }
$hex{ 49006e007400650072006e0061006c004e0061006d006500[1-8]430053004100670065006e0074002e00730079007300 }
$hex{ 500072006f0064007500630074004e0061006d006500[1-8]430072006f007700640053007400720069006b0065002000460061006c0063006f006e002000530065006e0073006f007200 }
$hex{ 4f0072006900670069006e0061006c00460069006c0065006e0061006d006500[1-8]430053004100670065006e0074002e00730079007300 }
$hex{ 4c006500670061006c0043006f007000790072006900670068007400[1-8]2800630029002000430072006f007700640053007400720069006b0065002c00200049006e0063002e00200041006c006 …

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).

  • 06eccd102c9105957773b32538943531d9c39d0a504ceb3b9b155e97e3b0b134
  • 1e42c8cb410a7ed653cfe62bbd8cf191f31a47337fe1ffcc35232d03f2da05ef
  • 6a2a0f9c56ee9bf7b62e1d4e1929d13046cd78a93d8c607fe4728cc5b1e8d050
  • 94b87b1cdaf1d86c2bc4eacef45608d0f16fdd3b981b88cdddc16b6bc64fe25d
  • b2ff9ef50ae037bb003d7157ea8da008a48f715a78c644b5f027b070bf5eb049
  • efb642ad3fab4a2e6cb4de829b60e04dd0d9ae7c2b4cf544de28c38f978b4136

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: 38c7c76c-3c1f-57ae-a667-5e3296258417

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