YARA Detection Rule: PUA_VULN_Renamed_Driver_Asustekcomputerinc_Atsziosys_Atsziodriver_FB6B
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - ATSZIO.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]53005a0049004f[PII_REDACTED][PII_REDACTED]00650072 } /* FileDescription ATSZIODriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED]0065006b[PII_REDACTED]6f006d[PII_REDACTED][PII_REDACTED][PII_REDACTED]6e0063002e } /* CompanyName ASUSTekComputerInc */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0030002e0032002e0032002e0033 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0030002e0032002e0032002e0033 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]53005a0049004f002e[PII_REDACTED]73 } /* InternalName ATSZIOsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]53005a0049004f[PII_REDACTED][PII_REDACTED]00650072 } /* ProductName ATSZIODriver */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]53005a0049004f002e[PII_REDACTED]73 } /* OriginalFilename ATSZIOsys */


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

Full rule:
rule PUA_VULN_Renamed_Driver_Asustekcomputerinc_Atsziosys_Atsziodriver_FB6B {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - ATSZIO.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "fb6b0d304433bf88cc7d57728683dbb4b9833459dc33528918ead09b3907ff22"
		date = "2024-08-07"
		score = 70
		id = "ec649ec9-8a01-5665-b18f-eabb5da7c6ea"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED]53005a0049004f[PII_REDACTED][PII_REDACTED]00650072 } /* FileDescription ATSZIODriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED]0065006b[PII_REDACTED]6f006d[PII_REDACTED][PII_REDACTED][PII_REDACTED]6e0063002e } /* CompanyName ASUSTekComputerInc */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0030002e0032002e0032002e0033 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0030002e0032002e0032002e0033 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]53005a0049004f002e[PII_REDACTED]73 } /* InternalName ATSZIOsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]53005a0049004f[PII_REDACTED][PII_REDACTED]00650072 } /* ProductName ATSZIODriver */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]53005a0049004f002e[PII_REDACTED]73 } /* OriginalFilename ATSZIOsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0032 } /* LegalCopyright CopyrightC */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /ATSZIO/i
}