PUA_VULN_Renamed_Driver_Toshibacorporation_Nchgbiosxsys_Toshibabiospackage_7D4C

rule PUA_VULN_Renamed_Driver_Toshibacorporation_Nchgbiosxsys_Toshibabiospackage_7D4C {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - NCHGBIOS2x64.SYS"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "7d4ca5760b6ad2e4152080e115f040f9d42608d2c7d7f074a579f911d06c8cf8"
		date = "2024-08-07"
		score = 70
		id = "c7a9848a-54cb-5e32-8866-b1583db8ebda"
	strings:
		$ = { 00460069006c0065004400650073006300720069007000740069006f006e[1-8]00420049004f00530020005500700064006100740065002000440072006900760065007200200046006f0072002000570069006e0064006f007700730020007800360034002000450064006900740069006f006e } /* FileDescription BIOSUpdateDriverForWindowsxEdition */
		$ = { 0043006f006d00700061006e0079004e0061006d0065[1-8]0054004f0053004800490042004100200043006f00720070006f0072006100740069006f006e } /* CompanyName TOSHIBACorporation */
		$ = { 00460069006c006500560065007200730069006f006e[1-8]0034002e0031002e0030002e00300020006200750069006c0074002000620079003a002000570069006e00440044004b } /* FileVersion builtbyWinDDK */
		$ = { 00500072006f006400750063007400560065007200730069006f006e[1-8]0034002e0031002e0030002e0030 } /* ProductVersion  */
		$ = { 0049006e007400650072006e0061006c004e0061006d0065[1-8]004e00430048004700420049004f00530032007800360034002e005300590053 } /* InternalName NCHGBIOSxSYS */
		$ = { 00500072006f0064007500630074004e0061006d0065[1-8]0054004f00530048004900420041002000420049004f00530020005000610063006b006100670065 } /* ProductName TOSHIBABIOSPackage */
		$ = { 004f0072006900670069006e0061006c00460069006c0065006e0061006d0065[1-8]004e00430048004700420049004f00530032007800360034002e005300590053 } /* OriginalFilename NCHGBIOSxSYS */
		$ = { 004c006500670061006c0043006f0070007900720069006700680074[1-8]0043006f0070007900720069006700680074002000280043002900200031003900390039002d003200300031003000200054004f0053004800490042004100200043006f00720070006f0072006100740069006f006e002e00200041006c006c0020005200690067006800740073002000520065007300650072007600650064002e } /* LegalCopyright CopyrightCTOSHIBACorporationAllRightsReserved */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /NCHGBIOS2x64/i
}