YARA Detection Rule: PUA_VULN_Renamed_Driver_Msi_Ntiolibxsys_Ntiolib_09BE
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - NTIOLib.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]004e[PII_REDACTED]4f004c00690062 } /* FileDescription NTIOLib */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]004d00530049 } /* CompanyName MSI */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0030002e0030002e0032 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e0030002e0030002e0032 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]004e[PII_REDACTED]4f004c[PII_REDACTED]5f[PII_REDACTED]34002e[PII_REDACTED]73 } /* InternalName NTIOLibXsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]004e[PII_REDACTED]4f004c00690062 } /* ProductName NTIOLib */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]004e[PII_REDACTED]4f004c[PII_REDACTED]5f[PII_REDACTED]34002e[PII_REDACTED]73 } /* OriginalFilename NTIOLibXsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED]0068

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

Full rule:
rule PUA_VULN_Renamed_Driver_Msi_Ntiolibxsys_Ntiolib_09BE {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - NTIOLib.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "09bedbf7a41e0f8dabe4f41d331db58373ce15b2e[PII_REDACTED]a1884f38bdde1"
		date = "2024-08-07"
		score = 70
		id = "f4cb25ca-f56d-5bdc-a53c-5bc91c677e49"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8]004e[PII_REDACTED]4f004c00690062 } /* FileDescription NTIOLib */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]004d00530049 } /* CompanyName MSI */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0030002e0030002e0032 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e0030002e0030002e0032 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]004e[PII_REDACTED]4f004c[PII_REDACTED]5f[PII_REDACTED]34002e[PII_REDACTED]73 } /* InternalName NTIOLibXsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]004e[PII_REDACTED]4f004c00690062 } /* ProductName NTIOLib */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]004e[PII_REDACTED]4f004c[PII_REDACTED]5f[PII_REDACTED]34002e[PII_REDACTED]73 } /* OriginalFilename NTIOLibXsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]4d[PII_REDACTED]72006f002d[PII_REDACTED][PII_REDACTED]0049004e[PII_REDACTED]4c[PII_REDACTED]4f002e002c0020004c[PII_REDACTED]2e } /* LegalCopyright CopyrightCMicroStarINTLCOLTD */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /NTIOLib/i
}