YARA Detection Rule: PUA_VULN_Renamed_Driver_Phoenixtechnologiesltd_Phlashnt_Winphlash_65DB
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - PhlashNT.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]69006e0046006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]6f[PII_REDACTED]570069006e0064006f[PII_REDACTED]20004e0054 } /* FileDescription SWinFlashDriverforWindowsNT */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]6f0065006e[PII_REDACTED][PII_REDACTED][PII_REDACTED]6e006f006c006f[PII_REDACTED]650073002c0020004c[PII_REDACTED]2e } /* CompanyName PhoenixTechnologiesLtd */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0036002e0031002e0030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e0036002e0031002e0030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]4c[PII_REDACTED]48004e0054 } /* InternalName PHLASHNT */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]6e[PII_REDACTED]6c[PII_REDACTED]68 } /* ProductName WinPhlash */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d00

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

Full rule:
rule PUA_VULN_Renamed_Driver_Phoenixtechnologiesltd_Phlashnt_Winphlash_65DB {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - PhlashNT.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "65db1b259e305a52042e07e111f4fa4af16542c8bacd33655f753ef642228890"
		date = "2024-08-07"
		score = 70
		id = "d60b5524-2fc9-52d4-8911-57bf41fc47a8"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED]69006e0046006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]6f[PII_REDACTED]570069006e0064006f[PII_REDACTED]20004e0054 } /* FileDescription SWinFlashDriverforWindowsNT */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]6f0065006e[PII_REDACTED][PII_REDACTED][PII_REDACTED]6e006f006c006f[PII_REDACTED]650073002c0020004c[PII_REDACTED]2e } /* CompanyName PhoenixTechnologiesLtd */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0036002e0031002e0030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e0036002e0031002e0030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]4c[PII_REDACTED]48004e0054 } /* InternalName PHLASHNT */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]6e[PII_REDACTED]6c[PII_REDACTED]68 } /* ProductName WinPhlash */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]4c[PII_REDACTED]48004e0054002e[PII_REDACTED]53 } /* OriginalFilename PHLASHNTSYS */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8][PII_REDACTED][PII_REDACTED]0068006f0065006e[PII_REDACTED][PII_REDACTED][PII_REDACTED]6e006f006c006f[PII_REDACTED]650073002c0020004c[PII_REDACTED]2e[PII_REDACTED][PII_REDACTED]002d[PII_REDACTED]300033 } /* LegalCopyright cPhoenixTechnologiesLtd */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /PhlashNT/i
}