YARA Detection Rule: PUA_VULN_Renamed_Driver_Asustekcomputerinc_Iomapsys_Asuskernelmodedriverfornt_EA85
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - IOMap64.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]004b[PII_REDACTED]6e0065006c0020004d006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0066006f[PII_REDACTED]4e00540020 } /* FileDescription ASUSKernelModeDriverforNT */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED]0065004b[PII_REDACTED]6f006d[PII_REDACTED][PII_REDACTED][PII_REDACTED]6e0063002e } /* CompanyName ASUSTeKComputerInc */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e00300030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e00300030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]0049004f004d[PII_REDACTED]2e[PII_REDACTED]73 } /* InternalName IOMapsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED]004b[PII_REDACTED]6e0065006c0020004d006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0066006f[PII_REDACTED]4e00540020 } /* ProductName ASUSKernelModeDriverforNT */
		$ = { 004f

Detection condition:
uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /IOMap64/i

Full rule:
rule PUA_VULN_Renamed_Driver_Asustekcomputerinc_Iomapsys_Asuskernelmodedriverfornt_EA85 {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - IOMap64.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "ea85bbe63d6f66f7efee7007e770af820d57f914c7f179c5fee3ef2845f19c41"
		date = "2024-08-07"
		score = 70
		id = "029b7abb-cea8-5713-b220-476d2b2fc30e"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED][PII_REDACTED]004b[PII_REDACTED]6e0065006c0020004d006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0066006f[PII_REDACTED]4e00540020 } /* FileDescription ASUSKernelModeDriverforNT */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED]0065004b[PII_REDACTED]6f006d[PII_REDACTED][PII_REDACTED][PII_REDACTED]6e0063002e } /* CompanyName ASUSTeKComputerInc */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e00300030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e00300030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]0049004f004d[PII_REDACTED]2e[PII_REDACTED]73 } /* InternalName IOMapsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED]004b[PII_REDACTED]6e0065006c0020004d006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0066006f[PII_REDACTED]4e00540020 } /* ProductName ASUSKernelModeDriverforNT */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]0049004f004d[PII_REDACTED]2e[PII_REDACTED]73 } /* OriginalFilename IOMapsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]540065004b[PII_REDACTED]6f006d[PII_REDACTED][PII_REDACTED][PII_REDACTED]6e0063002e } /* LegalCopyright CopyrightASUSTeKComputerInc */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /IOMap64/