YARA Detection Rule: PUA_VULN_Renamed_Driver_Pchuntersys_Pchunter_1B7F
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - PCHunter.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]6f006f006c0073006f[PII_REDACTED][PII_REDACTED]006e0064006f[PII_REDACTED]200049006e0066006f0072006d[PII_REDACTED]69006f006e[PII_REDACTED][PII_REDACTED][PII_REDACTED]6f006f006c0073 } /* FileDescription EpoolsoftWindowsInformationViewTools */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]4e00666e660e4e3aff0853174eacff094fe1606f6280672f[PII_REDACTED]6c53f8 } /* CompanyName  */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0030002e0030002e0034 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e0030002e0030002e0034 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]480075006e[PII_REDACTED]72002e[PII_REDACTED]73 } /* InternalName PCHuntersys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]480075006e[PII_REDACTED]72 } /* ProductName PCHunter */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[

Detection condition:
uint16(0) == 0x5a4d and filesize < 800KB and all of them and not filename matches /PCHunter/i

Full rule:
rule PUA_VULN_Renamed_Driver_Pchuntersys_Pchunter_1B7F {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - PCHunter.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "1b7fb154a7b7903a3c81f12f4b094f24a3c60a6a8cffca894c67c264ab7545fa"
		date = "2024-08-07"
		score = 70
		id = "1e9534ab-0139-5550-93ac-e0e2e4f54c3f"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED]6f006f006c0073006f[PII_REDACTED][PII_REDACTED]006e0064006f[PII_REDACTED]200049006e0066006f0072006d[PII_REDACTED]69006f006e[PII_REDACTED][PII_REDACTED][PII_REDACTED]6f006f006c0073 } /* FileDescription EpoolsoftWindowsInformationViewTools */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]4e00666e660e4e3aff0853174eacff094fe1606f6280672f[PII_REDACTED]6c53f8 } /* CompanyName  */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0030002e0030002e0034 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e0030002e0030002e0034 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]480075006e[PII_REDACTED]72002e[PII_REDACTED]73 } /* InternalName PCHuntersys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]480075006e[PII_REDACTED]72 } /* ProductName PCHunter */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]480075006e[PII_REDACTED]72002e[PII_REDACTED]73 } /* OriginalFilename PCHuntersys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED]33002d[PII_REDACTED][PII_REDACTED][PII_REDACTED]6f006f006c0073006f[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 } /* LegalCopyright CEpoolsoftCorporationAllRightsReserved */
	condition:
		uint16(0) == 0x5a4d and filesize < 800KB and all of them and not filename