YARA Detection Rule: PUA_VULN_Renamed_Driver_Asustekcomputerinc_Eiosys_Asusvgakernelmodedriver_B175
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - EIO.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]410020004b[PII_REDACTED]6e0065006c0020004d006f[PII_REDACTED][PII_REDACTED][PII_REDACTED]650072 } /* FileDescription ASUSVGAKernelModeDriver */
		$ = { 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]0031002e00390036 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e00390036 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]4f002e[PII_REDACTED]73 } /* InternalName EIOsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED]410020004b[PII_REDACTED]6e0065006c0020004d006f[PII_REDACTED][PII_REDACTED][PII_REDACTED]650072 } /* ProductName ASUSVGAKernelModeDriver */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c006500

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

Full rule:
rule PUA_VULN_Renamed_Driver_Asustekcomputerinc_Eiosys_Asusvgakernelmodedriver_B175 {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - EIO.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "b17507a3246020fa0052a172485d7b3567e[PII_REDACTED]f2edf27c40e310852e0"
		date = "2024-08-07"
		score = 70
		id = "e7e44244-24cc-556d-9a3c-d797535979a5"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED]410020004b[PII_REDACTED]6e0065006c0020004d006f[PII_REDACTED][PII_REDACTED][PII_REDACTED]650072 } /* FileDescription ASUSVGAKernelModeDriver */
		$ = { 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]0031002e00390036 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e00390036 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]4f002e[PII_REDACTED]73 } /* InternalName EIOsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED]410020004b[PII_REDACTED]6e0065006c0020004d006f[PII_REDACTED][PII_REDACTED][PII_REDACTED]650072 } /* ProductName ASUSVGAKernelModeDriver */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]4f002e[PII_REDACTED]73 } /* OriginalFilename EIOsys */
		$ = { 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 /EIO/i
}