YARA Detection Rule: PUA_VULN_Renamed_Driver_Dtresearchinc_Iomemsys_Iomemsys_DD4A
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - iomem64.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]520020004b[PII_REDACTED]6e0065006c0020006d006f[PII_REDACTED][PII_REDACTED][PII_REDACTED]650072 } /* FileDescription DTRKernelmodedriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0068002c[PII_REDACTED]6e0063002e } /* CompanyName DTResearchInc */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0032002e0032002e0030002e0030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0032002e0032002e0030002e0030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]0069006f006d0065006d002e[PII_REDACTED]73 } /* InternalName iomemsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]0069006f006d0065006d002e[PII_REDACTED]73 } /* ProductName iomemsys */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]0069006f006d0065006d002e[PII_REDACTED]73 } /* OriginalFilename iomemsys */
		$ = { 

Detection condition:
uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /iomem64/i

Full rule:
rule PUA_VULN_Renamed_Driver_Dtresearchinc_Iomemsys_Iomemsys_DD4A {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - iomem64.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "dd4a1253d47de14ef83f1bc8b40816a86ccf90d1e624c5adf9203ae9d51d4097"
		date = "2024-08-07"
		score = 70
		id = "35a9803d-08a8-5cad-9eb6-ac7a9366f32b"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED]520020004b[PII_REDACTED]6e0065006c0020006d006f[PII_REDACTED][PII_REDACTED][PII_REDACTED]650072 } /* FileDescription DTRKernelmodedriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0068002c[PII_REDACTED]6e0063002e } /* CompanyName DTResearchInc */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0032002e0032002e0030002e0030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0032002e0032002e0030002e0030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]0069006f006d0065006d002e[PII_REDACTED]73 } /* InternalName iomemsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]0069006f006d0065006d002e[PII_REDACTED]73 } /* ProductName iomemsys */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]0069006f006d0065006d002e[PII_REDACTED]73 } /* OriginalFilename iomemsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]49006e0063002e[PII_REDACTED]6c006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0064002e } /* LegalCopyright DTResearchIncAllRightsReserved */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /iomem64/i
}