YARA Detection Rule: PUA_VULN_Renamed_Driver_Biostargroup_Iodriver_Biostariodriver_1D03
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - BS_HWMIO64_W10.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]2c[PII_REDACTED]2c[PII_REDACTED][PII_REDACTED]002c[PII_REDACTED][PII_REDACTED] } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8][PII_REDACTED]2c[PII_REDACTED]2c[PII_REDACTED][PII_REDACTED]002c[PII_REDACTED][PII_REDACTED] } /* 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]670069006e

Detection condition:
uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /BS_HWMIO64_W10/i

Full rule:
rule PUA_VULN_Renamed_Driver_Biostargroup_Iodriver_Biostariodriver_1D03 {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - BS_HWMIO64_W10.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "1d0397c263d51e9fc95bcc8baf98d1a853e1c0401cd0e27c7bf5da3fba1c93a8"
		date = "2024-08-07"
		score = 70
		id = "f149cf06-3087-5976-9b85-3779caa99ab5"
	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]2c[PII_REDACTED]2c[PII_REDACTED][PII_REDACTED]002c[PII_REDACTED][PII_REDACTED] } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8][PII_REDACTED]2c[PII_REDACTED]2c[PII_REDACTED][PII_REDACTED]002c[PII_REDACTED][PII_REDACTED] } /* 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]4d0049004f[PII_REDACTED]5f[PII_REDACTED]30002e[PII_REDACTED]73 } /* OriginalFilename BSHWMIOWsys */
		$ = { 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