YARA Detection Rule: PUA_VULN_Renamed_Driver_Windowsrserverddkprovider_Cpuzsys_Windowsrserverddkdriver_BE68
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]55002d005a[PII_REDACTED][PII_REDACTED]00650072 } /* FileDescription CPUZDriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]6e0064006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0044004b[PII_REDACTED]72006f[PII_REDACTED][PII_REDACTED] } /* CompanyName WindowsRServerDDKprovider */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0035002e0032002e[PII_REDACTED]390030002e[PII_REDACTED][PII_REDACTED]006c[PII_REDACTED]620079003a[PII_REDACTED]69006e[PII_REDACTED]4b } /* FileVersion builtbyWinDDK */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0035002e0032002e[PII_REDACTED]390030002e0030 } /* 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]6e0064006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]003

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_Windowsrserverddkprovider_Cpuzsys_Windowsrserverddkdriver_BE68 {
	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 = "be683cd38e64280567c59f7dc0a45570abcb8a75f1d894853bbbd25675b4adf7"
		date = "2024-08-07"
		score = 70
		id = "b83c2a9e-f13c-5ef8-ac57-01b88111dcc1"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED]55002d005a[PII_REDACTED][PII_REDACTED]00650072 } /* FileDescription CPUZDriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]6e0064006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0044004b[PII_REDACTED]72006f[PII_REDACTED][PII_REDACTED] } /* CompanyName WindowsRServerDDKprovider */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0035002e0032002e[PII_REDACTED]390030002e[PII_REDACTED][PII_REDACTED]006c[PII_REDACTED]620079003a[PII_REDACTED]69006e[PII_REDACTED]4b } /* FileVersion builtbyWinDDK */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0035002e0032002e[PII_REDACTED]390030002e0030 } /* 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]6e0064006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0044004b[PII_REDACTED][PII_REDACTED]00650072 } /* ProductName WindowsRServerDDKdriver */
		$ = { 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]00a90020004d[PII_REDACTED]72006f0073006f[PII_REDACTED]200043006f[PII_REDACTED]6f[PII_REDACTED]740069006f006e002e[PII_REDACTED]6c006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0064002e } /* LegalCopy