YARA Detection Rule: PUA_VULN_Renamed_Driver_Openlibsysorg_Openlibsyssys_Openlibsys_9131
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - OpenLibSys.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]004f[PII_REDACTED]6e004c[PII_REDACTED][PII_REDACTED] } /* FileDescription OpenLibSys */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]004f[PII_REDACTED]6e004c[PII_REDACTED][PII_REDACTED]002e006f00720067 } /* CompanyName OpenLibSysorg */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0030002e0030002e0032 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e0030002e0030002e0032 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]004f[PII_REDACTED]6e004c[PII_REDACTED][PII_REDACTED]002e[PII_REDACTED]73 } /* InternalName OpenLibSyssys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]004f[PII_REDACTED]6e004c[PII_REDACTED][PII_REDACTED] } /* ProductName OpenLibSys */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]004f[PII_REDACTED]6e004c[PII_REDACTED][PII_REDACTED]002e[PII_REDACTED]73 } /* OriginalFilename OpenLibSyssys */
		$ = { 004c006500670

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

Full rule:
rule PUA_VULN_Renamed_Driver_Openlibsysorg_Openlibsyssys_Openlibsys_9131 {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - OpenLibSys.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "91314768da140999e682d2a290d48b78bb25a35525ea12c1b1f9634d14602b2c"
		date = "2024-08-07"
		score = 70
		id = "bcdf7111-a4ee-5603-b42e-b1acbaf80d69"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8]004f[PII_REDACTED]6e004c[PII_REDACTED][PII_REDACTED] } /* FileDescription OpenLibSys */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]004f[PII_REDACTED]6e004c[PII_REDACTED][PII_REDACTED]002e006f00720067 } /* CompanyName OpenLibSysorg */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0030002e0030002e0032 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e0030002e0030002e0032 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]004f[PII_REDACTED]6e004c[PII_REDACTED][PII_REDACTED]002e[PII_REDACTED]73 } /* InternalName OpenLibSyssys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]004f[PII_REDACTED]6e004c[PII_REDACTED][PII_REDACTED] } /* ProductName OpenLibSys */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]004f[PII_REDACTED]6e004c[PII_REDACTED][PII_REDACTED]002e[PII_REDACTED]73 } /* OriginalFilename OpenLibSyssys */
		$ = { 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]4f[PII_REDACTED]6e004c[PII_REDACTED][PII_REDACTED]002e006f00720067 } /* LegalCopyright CopyrightCOpenLibSysorg */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /OpenLibSys/i
}