YARA Detection Rule: PUA_VULN_Renamed_Driver_Iobit_Monitorsys_Advancedsystemcare_E4A7
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - Monitor_win10_x64.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]0049004f[PII_REDACTED][PII_REDACTED]0065006d[PII_REDACTED][PII_REDACTED][PII_REDACTED]650020004d006f006e[PII_REDACTED]6f0072 } /* FileDescription IObitTemperatureMonitor */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]0049004f[PII_REDACTED]74 } /* CompanyName IObit */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0032002e0030002e00310031 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8][PII_REDACTED]2e0030002e0030002e0030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]004d006f006e[PII_REDACTED]6f0072002e[PII_REDACTED]73 } /* InternalName Monitorsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]760061006e[PII_REDACTED][PII_REDACTED][PII_REDACTED]740065006d[PII_REDACTED]720065 } /* ProductName AdvancedSystemCare */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]004d006f006e[PII_REDACTED]6f0072002e[PII_REDACTED]73 } /* O

Detection condition:
uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /Monitor_win10_x64/i

Full rule:
rule PUA_VULN_Renamed_Driver_Iobit_Monitorsys_Advancedsystemcare_E4A7 {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - Monitor_win10_x64.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "e4a7da2cf59a4a21fc42b611df1d59cae75051925a7ddf42bf216cc1a026eadb"
		date = "2024-08-07"
		score = 70
		id = "052f73e5-4140-5d25-85d7-3e69937edb29"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8]0049004f[PII_REDACTED][PII_REDACTED]0065006d[PII_REDACTED][PII_REDACTED][PII_REDACTED]650020004d006f006e[PII_REDACTED]6f0072 } /* FileDescription IObitTemperatureMonitor */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]0049004f[PII_REDACTED]74 } /* CompanyName IObit */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0032002e0030002e00310031 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8][PII_REDACTED]2e0030002e0030002e0030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]004d006f006e[PII_REDACTED]6f0072002e[PII_REDACTED]73 } /* InternalName Monitorsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]760061006e[PII_REDACTED][PII_REDACTED][PII_REDACTED]740065006d[PII_REDACTED]720065 } /* ProductName AdvancedSystemCare */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]004d006f006e[PII_REDACTED]6f0072002e[PII_REDACTED]73 } /* OriginalFilename Monitorsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]00a[PII_REDACTED]04f[PII_REDACTED]74002e[PII_REDACTED]6c006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0064002e } /* LegalCopyright IObitAllrightsreserved */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /Monitor_win10_x64/i
}