YARA Detection Rule: PUA_VULN_Renamed_Driver_Micsystechnologycoltd_Msiosys_Msiodriverversion_X_43BA
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - MsIo64.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]004d[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]00650072 } /* FileDescription MICSYSdriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]004d[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006e006f006c006f[PII_REDACTED]200043006f002e002c0020004c00540064 } /* CompanyName MICSYSTechnologyCoLTd */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e[PII_REDACTED][PII_REDACTED][PII_REDACTED]750069006c[PII_REDACTED]620079003a[PII_REDACTED]69006e[PII_REDACTED]4b } /* FileVersion xbuiltbyWinDDK */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e[PII_REDACTED][PII_REDACTED] } /* ProductVersion x */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]004d[PII_REDACTED]6f[PII_REDACTED]2e[PII_REDACTED]73 } /* InternalName MsIosys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]004d[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[PII_REDACTED]2e0031 } /* ProductName MsIoDriverVersion

Detection condition:
uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /MsIo64/i

Full rule:
rule PUA_VULN_Renamed_Driver_Micsystechnologycoltd_Msiosys_Msiodriverversion_X_43BA {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - MsIo64.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "43ba8d96d5e8e54cab59d82d495eeca730eeb16e4743ed134cdd495c51a4fc89"
		date = "2024-08-07"
		score = 70
		id = "8db66d7c-9c5b-5ec5-a0d3-6eeac0faad51"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8]004d[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]00650072 } /* FileDescription MICSYSdriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]004d[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006e006f006c006f[PII_REDACTED]200043006f002e002c0020004c00540064 } /* CompanyName MICSYSTechnologyCoLTd */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e[PII_REDACTED][PII_REDACTED][PII_REDACTED]750069006c[PII_REDACTED]620079003a[PII_REDACTED]69006e[PII_REDACTED]4b } /* FileVersion xbuiltbyWinDDK */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e[PII_REDACTED][PII_REDACTED] } /* ProductVersion x */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]004d[PII_REDACTED]6f[PII_REDACTED]2e[PII_REDACTED]73 } /* InternalName MsIosys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]004d[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[PII_REDACTED]2e0031 } /* ProductName MsIoDriverVersion */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]004d[PII_REDACTED]6f[PII_REDACTED]2e[PII_REDACTED]73 } /* OriginalFilename MsIosys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]4d[PII_REDACTED][PII_REDACTED] } /* LegalCopyright CopyrightcMICSYS */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /MsIo64/i
}