YARA · LOLDrivers
LOLDRIVERS_MAL_Driver_Mimidrv_Mimidrvmimikatz_2FAF
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
- Date
- 2025-09-18
- Modified
- 2026-04-28
- 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 5 patterns (0 text, 5 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
rule LOLDRIVERS_MAL_Driver_Mimidrv_Mimidrvmimikatz_2FAF
{
meta:
= "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."
= "Florian Roth"
= "0a40c83f-175f-5b02-afd7-a975daa62ec9"
= "2025-09-18"
= "2026-04-28"
= "https://github.com/magicsword-io/LOLDrivers"
= "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/detections/yara/yara-rules_mal_drivers.yar#L1126-L1143"
= "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/LICENSE"
= "2faf95a3405578d0e613c8d88d534aa7233da0a6217ce8475890140ab8fb33c8"
= "4495d60de69a9e2928c8c8512ebadbd8bd9671c4848c756b1b2be7095000161b"
= 70
= 80
= ""
strings:
$ = { 500072006f006400750063007400560065007200730069006f006e00[1-8]32002e0030002e0030002e003000 }
$ = { 49006e007400650072006e0061006c004e0061006d006500[1-8]6d0069006d006900640072007600 }
$ = { 500072006f0064007500630074004e0061006d006500[1-8]6d0069006d006900640072007600200028006d0069006d0069006b00610074007a002900 }
$ = { 4f0072006900670069006e0061006c00460069006c0065006e0061006d006500[1-8]6d0069006d0069006400720076002e00730079007300 }
$ = { 4c006500670061006c0043006f007000790072006900670068007400[1-8]43006f00700079007200690067006800740020002800630029002000320030003000370020002d00200032003000310035002000670065006e00740069006c006b0069007700690020002800420065006e006a0061006d0069006e002000440045004c00500059002900 }
condition:
all of them
}
Strings (5 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $ | hex | { 500072006f006400750063007400560065007200730069006f006e00[1-8]32002e0030002e0030002e003000 } | |
| $ | hex | { 49006e007400650072006e0061006c004e0061006d006500[1-8]6d0069006d006900640072007600 } | |
| $ | hex | { 500072006f0064007500630074004e0061006d006500[1-8]6d0069006d006900640072007600200028006d0069006d0069006b00610074007a002900 } | |
| $ | hex | { 4f0072006900670069006e0061006c00460069006c0065006e0061006d006500[1-8]6d0069006d0069006400720076002e00730079007300 } | |
| $ | hex | { 4c006500670061006c0043006f007000790072006900670068007400[1-8]43006f00700079007200690067006800740020002800630029002000320030003000370020002d0020003200300031003 … |
Condition
all of themIn 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.
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: LOLDrivers @ 9fa32adeab
Licence: Apache License 2.0 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 0a40c83f-175f-5b02-afd7-a975daa62ec9
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