YARA Detection Rule: PUA_VULN_Renamed_Driver_Nmscommunications_Cgkwinksys_Ctaccess_223F
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - cg6kwin2k.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]2f004d[PII_REDACTED]660061006d0069006c[PII_REDACTED][PII_REDACTED][PII_REDACTED]72 } /* FileDescription CGMGfamilydriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]004e004d[PII_REDACTED]43006f006d006d0075006e[PII_REDACTED][PII_REDACTED]006f006e0073 } /* CompanyName NMSCommunications */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0032002e[PII_REDACTED][PII_REDACTED]0069006c[PII_REDACTED]620079003a[PII_REDACTED]64006d0069006e[PII_REDACTED][PII_REDACTED]0074006f0072 } /* FileVersion builtbyAdministrator */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0032002e00300030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]36006b[PII_REDACTED]6e0032006b002e[PII_REDACTED]73 } /* InternalName cgkwinksys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED]730073 } /* ProductName CTAccess */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0

Detection condition:
uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /cg6kwin2k/i

Full rule:
rule PUA_VULN_Renamed_Driver_Nmscommunications_Cgkwinksys_Ctaccess_223F {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - cg6kwin2k.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "223f61c3f443c5047d1aeb905b0551005a426f084b7a50384905e7e4ecb761a1"
		date = "2024-08-07"
		score = 70
		id = "ce56a00c-41a2-5985-9808-5fa876c9e428"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED]2f004d[PII_REDACTED]660061006d0069006c[PII_REDACTED][PII_REDACTED][PII_REDACTED]72 } /* FileDescription CGMGfamilydriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]004e004d[PII_REDACTED]43006f006d006d0075006e[PII_REDACTED][PII_REDACTED]006f006e0073 } /* CompanyName NMSCommunications */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0032002e[PII_REDACTED][PII_REDACTED]0069006c[PII_REDACTED]620079003a[PII_REDACTED]64006d0069006e[PII_REDACTED][PII_REDACTED]0074006f0072 } /* FileVersion builtbyAdministrator */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0032002e00300030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]36006b[PII_REDACTED]6e0032006b002e[PII_REDACTED]73 } /* InternalName cgkwinksys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED]730073 } /* ProductName CTAccess */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]36006b[PII_REDACTED]6e0032006b002e[PII_REDACTED]73 } /* OriginalFilename cgkwinksys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]4e004d[PII_REDACTED]43006f006d006d0075006e[PII_REDACTED][PII_REDACTED]006f006e[PII_REDACTED]43006f[PII_REDACTED]2e[PII_REDACTED]300034 } /* LegalCopyright CopyrightCNMSCommunicationsCorp */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /cg6kwin2k/i
}