YARA Detection Rule: PUA_VULN_Renamed_Driver_Windowsrddkprovider_Gdrvsys_Windowsrddkdriver_F4FF
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - gdrv.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][PII_REDACTED]006f006f006c0073 } /* FileDescription GIGABYTETools */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]6e0064006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]440044004b[PII_REDACTED]72006f[PII_REDACTED][PII_REDACTED] } /* CompanyName WindowsRDDKprovider */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0035002e[PII_REDACTED]2e[PII_REDACTED]390035002e[PII_REDACTED]320030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0035002e[PII_REDACTED]2e[PII_REDACTED]390035002e[PII_REDACTED]320030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]720076002e[PII_REDACTED]73 } /* InternalName gdrvsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]6e0064006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]440044004b[PII_REDACTED][PII_REDACTED]00650072 } /* ProductName WindowsRDDKdriver */
		$ = { 

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

Full rule:
rule PUA_VULN_Renamed_Driver_Windowsrddkprovider_Gdrvsys_Windowsrddkdriver_F4FF {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - gdrv.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "f4ff[PII_REDACTED]92f6b7c3ba6257fc60dd609e4f9c491b00e1a16e4c405b0b9b"
		hash = "cfc5c585dd4e592dd1a08887ded28b92d9a5820587b6f4f8fa4f56d60289259b"
		date = "2024-08-07"
		score = 70
		id = "5b79a437-d01b-588e-9ebb-b9ec5eaaffcc"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006f006c0073 } /* FileDescription GIGABYTETools */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]6e0064006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]440044004b[PII_REDACTED]72006f[PII_REDACTED][PII_REDACTED] } /* CompanyName WindowsRDDKprovider */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0035002e[PII_REDACTED]2e[PII_REDACTED]390035002e[PII_REDACTED]320030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0035002e[PII_REDACTED]2e[PII_REDACTED]390035002e[PII_REDACTED]320030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]720076002e[PII_REDACTED]73 } /* InternalName gdrvsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]6e0064006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]440044004b[PII_REDACTED][PII_REDACTED]00650072 } /* ProductName WindowsRDDKdriver */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]720076002e[PII_REDACTED]73 } /* OriginalFilename gdrvsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]4d[PII_REDACTED]72006f0073006f[PII_REDACTED]200043006f[PII_REDACTED]2e[PII_REDACTED][PII_REDACTED]002d[PII_REDACTED]390039 } /* LegalCopyright CopyrightCMicrosoftCorp */
	condition:
		uint16(0) == 0x5a4d