YARA Detection Rule: PUA_VULN_Renamed_Driver_Biostargroup_Iodriver_Biostariodriver_D205
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - BS_RCIO64.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]0049002f004f[PII_REDACTED]6e[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]6c0065 } /* FileDescription IOInterfacedriverfile */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]4f[PII_REDACTED][PII_REDACTED][PII_REDACTED]6f00750070 } /* CompanyName BIOSTARGroup */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8][PII_REDACTED]2e0030002e[PII_REDACTED]300031002e[PII_REDACTED]300030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8][PII_REDACTED]2e0030002e[PII_REDACTED]300031002e[PII_REDACTED]300030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]0049002f004f[PII_REDACTED][PII_REDACTED]00650072 } /* InternalName IOdriver */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]4f[PII_REDACTED][PII_REDACTED]0049002f004f[PII_REDACTED][PII_REDACTED]00650072 } /* ProductName BIOSTARIOdriver */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065

Detection condition:
uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /BS_RCIO64/i

Full rule:
rule PUA_VULN_Renamed_Driver_Biostargroup_Iodriver_Biostariodriver_D205 {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - BS_RCIO64.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "d205286bffdf09bc033c09e95c519c1c267b40c2ee8bab703c6a2d86741ccd3e"
		date = "2024-08-07"
		score = 70
		id = "e20746e7-2863-50ad-9b62-2a0e68a229be"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8]0049002f004f[PII_REDACTED]6e[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]6c0065 } /* FileDescription IOInterfacedriverfile */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]4f[PII_REDACTED][PII_REDACTED][PII_REDACTED]6f00750070 } /* CompanyName BIOSTARGroup */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8][PII_REDACTED]2e0030002e[PII_REDACTED]300031002e[PII_REDACTED]300030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8][PII_REDACTED]2e0030002e[PII_REDACTED]300031002e[PII_REDACTED]300030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]0049002f004f[PII_REDACTED][PII_REDACTED]00650072 } /* InternalName IOdriver */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]4f[PII_REDACTED][PII_REDACTED]0049002f004f[PII_REDACTED][PII_REDACTED]00650072 } /* ProductName BIOSTARIOdriver */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]5f[PII_REDACTED]49004f[PII_REDACTED]2e[PII_REDACTED]73 } /* OriginalFilename BSRCIOsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0038002d[PII_REDACTED][PII_REDACTED][PII_REDACTED]4f[PII_REDACTED][PII_REDACTED][PII_REDACTED]6f00750070 } /* LegalCopyright CopyrightcBIOSTARGroup */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /BS_RCIO64/i
}