YARA Detection Rule: PUA_VULN_Renamed_Driver_Realixtm_Hwinfosys_Hwinfokerneldriver_8DCE
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - HWiNFO32.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]69004e0046004f[PII_REDACTED]20004b[PII_REDACTED]6e0065006c[PII_REDACTED][PII_REDACTED]00650072 } /* FileDescription HWiNFOKernelDriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]41004c[PII_REDACTED]280074006d0029 } /* CompanyName REALiXtm */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0037002e[PII_REDACTED][PII_REDACTED]0069006c[PII_REDACTED]620079003a[PII_REDACTED]69006e[PII_REDACTED]4b } /* FileVersion builtbyWinDDK */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0037002e00350030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]69004e0046004f[PII_REDACTED]2e[PII_REDACTED]53 } /* InternalName HWiNFOSYS */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]69004e0046004f[PII_REDACTED]20004b[PII_REDACTED]6e0065006c[PII_REDACTED][PII_REDACTED]00650072 } /* ProductName HWiNFOKernelDriver */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c006500

Detection condition:
uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /HWiNFO32/i

Full rule:
rule PUA_VULN_Renamed_Driver_Realixtm_Hwinfosys_Hwinfokerneldriver_8DCE {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - HWiNFO32.SYS"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "8dcec67a1f4903981c3e0ab938784c2f241e041e26748e1c22059e0e507cfb37"
		date = "2024-08-07"
		score = 70
		id = "bbf1711e-d5a8-5c05-a306-151232d511ea"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED]69004e0046004f[PII_REDACTED]20004b[PII_REDACTED]6e0065006c[PII_REDACTED][PII_REDACTED]00650072 } /* FileDescription HWiNFOKernelDriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]41004c[PII_REDACTED]280074006d0029 } /* CompanyName REALiXtm */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0037002e[PII_REDACTED][PII_REDACTED]0069006c[PII_REDACTED]620079003a[PII_REDACTED]69006e[PII_REDACTED]4b } /* FileVersion builtbyWinDDK */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0037002e00350030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]69004e0046004f[PII_REDACTED]2e[PII_REDACTED]53 } /* InternalName HWiNFOSYS */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]69004e0046004f[PII_REDACTED]20004b[PII_REDACTED]6e0065006c[PII_REDACTED][PII_REDACTED]00650072 } /* ProductName HWiNFOKernelDriver */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]69004e0046004f[PII_REDACTED]2e[PII_REDACTED]53 } /* OriginalFilename HWiNFOSYS */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]002d[PII_REDACTED][PII_REDACTED]004d[PII_REDACTED]740069006e0020004d0061006c00ed006b0020002d[PII_REDACTED]450041004c00690058 } /* LegalCopyright CopyrightcMartinMalkREALiX */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /HWiNFO32/i
}