YARA Detection Rule: PUA_VULN_Renamed_Driver_Cpuid_Cpuzsys_Cpuidservice_A397
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_A397 {
	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 = "a3975db1127c331ba541fffff0c607a15c45b47aa078e756b402422ef7e81c2c"
		hash = "6befa481e8cca8084d9ec3a1925782cd3c28ef7a3e4384e034d48deaabb96b63"
		hash = "f7e0cca8ad9ea1e34fa1a5e0533a746b2fa0988ba56b01542bc43841e463b686"
		hash = "8d6febd54ce0c98ea3653e582f[PII_REDACTED]a9a4842bd4a[PII_REDACTED]31ca9f"
		hash = "8cf0cbbdc43f9b977f0fb79e0a0dd0e1adabe08a67d0f40d727c717c747de775"
		hash = "2101d5e80e92c55ecfd8c24fcf2202a206a4fd70195a1378f88c4cc04d336f22"
		hash = "45c3d607cb57a1714c1c604a25cbadf2779f4734855d0e43aa394073b6966b26"
		hash = "600a[PII_REDACTED]112025db3c0eeab2e69d528bccfeed75f40c6ef50b059ec8a0"
		hash = "bc8cb3aebe911bd9b4a3caf46f7dda0f73fec4d2e4e7bc9601bb6726f5893091"
		hash = "ef1abc77f4000e68d5190f9e11025ea3dc1e6132103d4c3678e15a678de09f33"
		hash = "3301b49b813427fa37a719988fe6446c6f4468dfe15aa246bec8d397f62f6486"
		hash = "019c2955e380dd5867c4b82361a8d8de62346ef91140c95cb311b84448c0fa4f"
		hash = "deecbcd260849178de421d8e2f177dce5c63cf67a48abb23a0e3cf3aa3e00578"
		hash = "955dac77a0148e9f9ed744f5d341cb9c9118261e52fe622ac6213965f2bc4cad"
		hash = "f8d6ce1c86cbd616bb821698037f60a41e129d282a8d6f1f5ecdd37a9688f585"
		date = "2024-08-07"
		score = 70
		id = "9a0e6700-1e63-5d7d-b255-d[PII_REDACTED]c"
	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