YARA Detection Rule: PUA_VULN_Renamed_Driver_Openlibsysorg_Winringsys_Winring_47EA
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - WinRing0.sys, WinRing0x64
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]6e[PII_REDACTED]6e00670030 } /* FileDescription WinRing */
		$ = { 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]0031002e0030002e0031002e0032 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e0030002e0031002e0032 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]6e[PII_REDACTED]6e[PII_REDACTED]2e[PII_REDACTED]73 } /* InternalName WinRingsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]6e[PII_REDACTED]6e00670030 } /* ProductName WinRing */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]6e[PII_REDACTED]6e[PII_REDACTED]2e[PII_REDACTED]73 } /* OriginalFilename WinRingsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[

Detection condition:
uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /WinRing0/i and not filename matches /WinRing0x64/i

Full rule:
rule PUA_VULN_Renamed_Driver_Openlibsysorg_Winringsys_Winring_47EA {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - WinRing0.sys, WinRing0x64"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "47eaebc920ccf99e09fc9924feb6b19b8a28589f[PII_REDACTED]7c9b09754b5e84"
		hash = "3ec5ad51e6879464dfbccb9f4ed76c6325056a42548d5994ba869da9c4c039a8"
		date = "2024-08-07"
		score = 70
		id = "081adeba-2a34-5d27-9ad1-914500ac34af"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED]6e[PII_REDACTED]6e00670030 } /* FileDescription WinRing */
		$ = { 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]0031002e0030002e0031002e0032 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e0030002e0031002e0032 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]6e[PII_REDACTED]6e[PII_REDACTED]2e[PII_REDACTED]73 } /* InternalName WinRingsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]6e[PII_REDACTED]6e00670030 } /* ProductName WinRing */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]6e[PII_REDACTED]6e[PII_REDACTED]2e[PII_REDACTED]73 } /* OriginalFilename WinRingsys */
		$ = { 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]002e006f[PII_REDACTED]2e[PII_REDACTED]6c006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0064002e } /* LegalCopyright CopyrightCOpenLibSysorgAllrightsreserved */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /WinRing0/i and not filename matches /WinRing0x64/i