YARA Detection Rule: PUA_VULN_Renamed_Driver_Novellinc_Novellxtier_834A
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - libnicm.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]004e006f[PII_REDACTED]6c006c[PII_REDACTED]540043004f004d[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0072 } /* FileDescription NovellXTCOMServicesDriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]004e006f[PII_REDACTED]6c006c002c[PII_REDACTED]6e0063002e } /* CompanyName NovellInc */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0033002e0031002e[PII_REDACTED]2e0030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0033002e0031002e00310030 } /* ProductVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]004e006f[PII_REDACTED]6c006c[PII_REDACTED][PII_REDACTED]0072 } /* ProductName NovellXTier */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]006c[PII_REDACTED]6e[PII_REDACTED]6d002e[PII_REDACTED]73 } /* OriginalFilename libnicmsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8][PII_REDACTED][PII_REDACTED]006f[PII_REDACTED]72

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

Full rule:
rule PUA_VULN_Renamed_Driver_Novellinc_Novellxtier_834A {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - libnicm.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "834a3d755b5ae798561f8e5fbb18cf28dfcae7a111dc6a03967888e9d10f6d78"
		hash = "e89cb7217ec1568b43ad9ca35bf059b17c3e26f093e373ab6ebdeee24272db21"
		date = "2024-08-07"
		score = 70
		id = "e55f8440-3f62-5641-a253-fcdd5833b90e"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8]004e006f[PII_REDACTED]6c006c[PII_REDACTED]540043004f004d[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0072 } /* FileDescription NovellXTCOMServicesDriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]004e006f[PII_REDACTED]6c006c002c[PII_REDACTED]6e0063002e } /* CompanyName NovellInc */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0033002e0031002e[PII_REDACTED]2e0030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0033002e0031002e00310030 } /* ProductVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]004e006f[PII_REDACTED]6c006c[PII_REDACTED][PII_REDACTED]0072 } /* ProductName NovellXTier */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]006c[PII_REDACTED]6e[PII_REDACTED]6d002e[PII_REDACTED]73 } /* OriginalFilename libnicmsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8][PII_REDACTED][PII_REDACTED]006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]2d[PII_REDACTED]310032002c0020004e006f[PII_REDACTED]6c006c002c[PII_REDACTED]6e0063002e[PII_REDACTED]6c006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0064002e } /* LegalCopyright CCopyrightNovellIncAllRightsReserved */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /libnicm/i
}