YARA Detection Rule: PUA_VULN_Renamed_Driver_Novellinc_Novellxtier_66F8
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]0033002e0031002e0036002e0030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0033002e0031002e0036 } /* 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]

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_66F8 {
	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 = "66f8bd2b29763acfbb7423f4c3c9c3af9f3ca4113bd580ab32f6e3ee4a4fc64e"
		hash = "7f84f009704bc36f0e97c7be3de90648a5e7c21b4f870e4f210514d4418079a0"
		date = "2024-08-07"
		score = 70
		id = "b4f6ab90-2942-5e13-ae88-92c567c7ed7a"
	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]0033002e0031002e0036002e0030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0033002e0031002e0036 } /* 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]310031002c0020004e006f[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
}