YARA Detection Rule: PUA_VULN_Renamed_Driver_Cpuid_Cpuzsys_Cpuidservice_7710
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - cpuz.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][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]00650072 } /* FileDescription CPUIDDriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED] } /* CompanyName CPUID */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0036002e0031002e[PII_REDACTED]300030002e[PII_REDACTED][PII_REDACTED][PII_REDACTED]750069006c[PII_REDACTED]620079003a[PII_REDACTED]69006e[PII_REDACTED]4b } /* FileVersion builtbyWinDDK */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0036002e0031002e[PII_REDACTED]300030002e[PII_REDACTED][PII_REDACTED] } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]75007a002e[PII_REDACTED]73 } /* InternalName cpuzsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]65 } /* ProductName CPUIDservice */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]75007a002e[PII_REDACTED]7

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

Full rule:
rule PUA_VULN_Renamed_Driver_Cpuid_Cpuzsys_Cpuidservice_7710 {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - cpuz.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "771015b[PII_REDACTED]bb2e[PII_REDACTED]b7a09db55216d6fbf03534cb18513b20c"
		hash = "8d57e416ea4bb855b78a2ff3c80de1dfbb5dc5ee9bfbdddb23e46bd8619287e2"
		hash = "6c5c6c350c8dd4ca90a8cca0ed1eeca185ebc67b1100935c8f03eb3032aca388"
		hash = "900dd68ccc72d73774a347b3290c4b6153ae496a81de722ebb043e2e99496f88"
		hash = "f74ffd[PII_REDACTED]900cbecb90aca2d6475a714ce410adf9c5c3264abbe5732c"
		hash = "b8ffe83919afc08a430c017a98e6ace3d9cbd7258c16c09c4f3a4e06746fc80a"
		date = "2024-08-07"
		score = 70
		id = "3e19f0b1-a1ce-5f2e-a26d-1c7ff8e82f16"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]00650072 } /* FileDescription CPUIDDriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED] } /* CompanyName CPUID */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0036002e0031002e[PII_REDACTED]300030002e[PII_REDACTED][PII_REDACTED][PII_REDACTED]750069006c[PII_REDACTED]620079003a[PII_REDACTED]69006e[PII_REDACTED]4b } /* FileVersion builtbyWinDDK */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0036002e0031002e[PII_REDACTED]300030002e[PII_REDACTED][PII_REDACTED] } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]75007a002e[PII_REDACTED]73 } /* InternalName cpuzsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]65 } /* ProductName CPUIDservice */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]75007a002e[PII_REDACTED]73 } /* OriginalFilename cpuzsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0020