YARA Detection Rule: PUA_VULN_Renamed_Driver_Micsystechnologycoltd_Msiosys_Msiodriverversion_X_CFCF
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]4f[PII_REDACTED][PII_REDACTED]00650072 } /* FileDescription MICSYSIOdriver */
		$ = { 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]2e0032 } /* ProductName MsI

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_CFCF {
	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 = "cfcf32f5662791f1f22a77acb6dddfbc970fe6e99506969b3ea67c03f67687ab"
		date = "2024-08-07"
		score = 70
		id = "a40d5b51-bdcd-5ca9-b708-220f0d3e5c83"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8]004d[PII_REDACTED][PII_REDACTED][PII_REDACTED]4f[PII_REDACTED][PII_REDACTED]00650072 } /* FileDescription MICSYSIOdriver */
		$ = { 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]2e0032 } /* 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
}