YARA Detection Rule: PUA_VULN_Renamed_Driver_Nvidiacorp_Nvoclocksys_Nvidiasystemutilitydriver_16AE
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - nvoclock.sys
Author: Florian Roth
Reference: https://github.com/magicsword-io/LOLDrivers

Pattern signatures:
$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8]004e[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0065006d[PII_REDACTED]740069006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED] } /* FileDescription NVidiaSystemUtilityDriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]004e[PII_REDACTED][PII_REDACTED][PII_REDACTED]6f[PII_REDACTED]2e } /* CompanyName NVidiaCorp */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0036002e[PII_REDACTED]2e00310035 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0036002e[PII_REDACTED]2e00310035 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]006e0076006f0063006c006f0063006b002e[PII_REDACTED]73 } /* InternalName nvoclocksys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]004e[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0065006d[PII_REDACTED]740069006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED] } /* ProductName NVidiaSystemUtilityDriver */
		$ = { 004f[PII_REDACTED]670069006e0061006c0

Detection condition:
uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /nvoclock/i

Full rule:
rule PUA_VULN_Renamed_Driver_Nvidiacorp_Nvoclocksys_Nvidiasystemutilitydriver_16AE {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - nvoclock.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "16ae28284c09839900b99c0bdf6ce4ffcd7fe666cfd5cfb0d54a3ad9bea9aa9c"
		hash = "d54ac69c438ba77cde88c6efd6a423491996d4e8a235666644b1db954eb1da9c"
		date = "2024-08-07"
		score = 70
		id = "56e6618d-29da-53bd-ad93-cb1dfd2ff585"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8]004e[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0065006d[PII_REDACTED]740069006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED] } /* FileDescription NVidiaSystemUtilityDriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]004e[PII_REDACTED][PII_REDACTED][PII_REDACTED]6f[PII_REDACTED]2e } /* CompanyName NVidiaCorp */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0036002e[PII_REDACTED]2e00310035 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0036002e[PII_REDACTED]2e00310035 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]006e0076006f0063006c006f0063006b002e[PII_REDACTED]73 } /* InternalName nvoclocksys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]004e[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0065006d[PII_REDACTED]740069006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED] } /* ProductName NVidiaSystemUtilityDriver */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]006e0076006f0063006c006f0063006b002e[PII_REDACTED]73 } /* OriginalFilename nvoclocksys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED]2000a9004e[PII_REDACTED][PII_REDACTED][PII_REDACTED]6f[PII_REDACTED]2e[PII_REDACTED][PII_REDACTED]002d[PII_REDACTED]300034 } /* LegalCopyright CopyrightNVIDIACorp */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of t