YARA Detection Rule: PUA_VULN_Renamed_Driver_Novellinc_Novellxtierforwindows_V_7A2C
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - nicm.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]6c[PII_REDACTED]6e[PII_REDACTED]50006f[PII_REDACTED][PII_REDACTED]006c[PII_REDACTED]790020004c[PII_REDACTED]650072 } /* FileDescription NovellClientPortabilityLayer */
		$ = { 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]0033002e0031002e0030002e0030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8][PII_REDACTED]2e[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]00380029 } /* ProductVersion v */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]004e006f[PII_REDACTED]6c006c[PII_REDACTED][PII_REDACTED][PII_REDACTED]66006f[PII_REDACTED]570069006e0064006f00770073 } /* ProductName NovellXTierforWindows */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]004e[PII_REDACTED]4d002e[PII_REDACTED]53 } /* OriginalFilename NICMSYS */
		$ = { 004c00

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

Full rule:
rule PUA_VULN_Renamed_Driver_Novellinc_Novellxtierforwindows_V_7A2C {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - nicm.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "7a2cd1dc110d014165c001ce65578da0c0c8d7d41cc1fa44f974e8a82296fc25"
		date = "2024-08-07"
		score = 70
		id = "bb79b119-3bea-5ca4-b1d7-64092ab0d499"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8]004e006f[PII_REDACTED]6c006c[PII_REDACTED]6c[PII_REDACTED]6e[PII_REDACTED]50006f[PII_REDACTED][PII_REDACTED]006c[PII_REDACTED]790020004c[PII_REDACTED]650072 } /* FileDescription NovellClientPortabilityLayer */
		$ = { 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]0033002e0031002e0030002e0030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8][PII_REDACTED]2e[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]00380029 } /* ProductVersion v */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]004e006f[PII_REDACTED]6c006c[PII_REDACTED][PII_REDACTED][PII_REDACTED]66006f[PII_REDACTED]570069006e0064006f00770073 } /* ProductName NovellXTierforWindows */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]004e[PII_REDACTED]4d002e[PII_REDACTED]53 } /* OriginalFilename NICMSYS */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED]2000a[PII_REDACTED][PII_REDACTED]7002d[PII_REDACTED][PII_REDACTED]004e006f[PII_REDACTED]6c006c002c[PII_REDACTED]6e0063002e } /* LegalCopyright CopyrightNovellInc */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /nicm/i
}