YARA · LOLDrivers
LOLDRIVERS_MAL_Driver_Gentilkiwibenjamindelpy_Mimidrv_Mimidrvmimikatz_28F5
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
- 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
rule LOLDRIVERS_MAL_Driver_Gentilkiwibenjamindelpy_Mimidrv_Mimidrvmimikatz_28F5
{
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"
= "233f1c4a-de22-5e72-bec4-dbe76ba2cda9"
= "2026-04-28"
= "2026-09-08"
= "https://github.com/magicsword-io/LOLDrivers"
= "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/detections/yara/yara-rules_mal_drivers.yar#L520-L541"
= "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/LICENSE"
= "28f5aa194a384680a08c0467e94a8fc40f8b0f3f2ac5deb42e0f51a80d27b553"
= "2fd43a749b5040ebfafd7cdbd088e27ef44341d121f313515ebde460bf3aaa21"
= "7824931e55249a501074a258b4f65cd66157ee35672ba17d1c0209f5b0384a28"
= "04e636fcc51732ebe8a2756a5bf1b5506eb9e0670814c440f92dcfe118483c5b"
= 70
= 80
= ""
strings:
$ = { 460069006c0065004400650073006300720069007000740069006f006e00[1-8]6d0069006d006900640072007600200066006f0072002000570069006e0064006f0077007300200028006d0069006d0069006b00610074007a002900 }
$ = { 43006f006d00700061006e0079004e0061006d006500[1-8]670065006e00740069006c006b0069007700690020002800420065006e006a0061006d0069006e002000440045004c00500059002900 }
$ = { 460069006c006500560065007200730069006f006e00[1-8]32002e0030002e0030002e003000 }
$ = { 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 (8 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $ | hex | { 460069006c0065004400650073006300720069007000740069006f006e00[1-8]6d0069006d006900640072007600200066006f0072002000570069006e0064006f0077007300200028006d0069006 … | |
| $ | hex | { 43006f006d00700061006e0079004e0061006d006500[1-8]670065006e00740069006c006b0069007700690020002800420065006e006a0061006d0069006e002000440045004c00500059002900 … | |
| $ | hex | { 460069006c006500560065007200730069006f006e00[1-8]32002e0030002e0030002e003000 } | |
| $ | 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).
- 28f5aa194a384680a08c0467e94a8fc40f8b0f3f2ac5deb42e0f51a80d27b553
- 2fd43a749b5040ebfafd7cdbd088e27ef44341d121f313515ebde460bf3aaa21
- 7824931e55249a501074a258b4f65cd66157ee35672ba17d1c0209f5b0384a28
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: 233f1c4a-de22-5e72-bec4-dbe76ba2cda9
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