YARA Detection Rule: PUA_VULN_Renamed_Driver_Novellinc_Novellxtier_5A66
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - nscm.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][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]6f006e0020004d0061006e[PII_REDACTED]650072 } /* FileDescription NovellXTierSessionManager */
		$ = { 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]0033002e0031002e00310031 } /* 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]006e[PII_REDACTED]6d002e[PII_REDACTED]73 } /* OriginalFilename nscmsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8][PII_REDACTED][PII_REDACTED]006f[PII_REDACTED][PII_REDACTED]0068007

Detection condition:
uint16(0) == 0x5a4d and filesize < 200KB and all of them and not filename matches /nscm/i

Full rule:
rule PUA_VULN_Renamed_Driver_Novellinc_Novellxtier_5A66 {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - nscm.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "5a661e26cfe5d8dedf8c[PII_REDACTED]cfa40aebb448895187b96a8b7441d52aaa"
		hash = "fb81b5f8bf69637dbdf[PII_REDACTED]88a67d24577587bc520de94b5ee8996240f"
		hash = "202d9703a5b8d06c5f92d2c5218a93431aa55af389007826a9bfaaf900812213"
		hash = "76660e91f1ff3cb89630df5af4fe09de6098d09baa66b1a130c89c3c5edd5b22"
		hash = "2e665962c827ce0adbd29fe6bcf09bbb1d7a7022075d162ff9b65d0af9794ac0"
		hash = "b0b6a410c22cc36f478ff874d4a23d2e4b4e37c6e55f2a095fc4c3ef32bcb763"
		date = "2024-08-07"
		score = 70
		id = "922f318f-7f43-5844-8037-e40fcce7cb1a"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8]004e006f[PII_REDACTED]6c006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]6f006e0020004d0061006e[PII_REDACTED]650072 } /* FileDescription NovellXTierSessionManager */
		$ = { 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]0033002e0031002e00310031 } /* 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]006e[PII_REDACTED]6d002e[PII_REDACTED]73 } /* OriginalFilename nscmsys */
		$ = { 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]310033002c0020004e006f[PII_REDACTED]6c006c002c[PII_REDACTED]6e0063002e[PII_REDACTED]6c006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]00730065