YARA Detection Rule: PUA_VULN_Renamed_Driver_Sisoftware_Sandra_Sisoftwaresandra_496F
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - SANDRA.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][PII_REDACTED]6e[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0069006e[PII_REDACTED][PII_REDACTED][PII_REDACTED]280055006e[PII_REDACTED]6f[PII_REDACTED]29 } /* FileDescription SandraDeviceDriverWinxUnicode */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]53006f[PII_REDACTED][PII_REDACTED]0065 } /* CompanyName SiSoftware */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8][PII_REDACTED]2e0035002e0031002e[PII_REDACTED][PII_REDACTED]006c[PII_REDACTED]620079003a[PII_REDACTED]69006e[PII_REDACTED]4b } /* FileVersion builtbyWinDDK */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8][PII_REDACTED]2e0035002e0031002e0031 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]4e[PII_REDACTED]41 } /* InternalName SANDRA */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]53006f[PII_REDACTED][PII_REDACTED][PII_REDACTED]530061006e[PII_REDACTED]61 } /* ProductName SiSoft

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

Full rule:
rule PUA_VULN_Renamed_Driver_Sisoftware_Sandra_Sisoftwaresandra_496F {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - SANDRA.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "496f4a4021226fb0f1b5f71a7634c84114c29faa308746a12c2414adb6b2a40b"
		date = "2024-08-07"
		score = 70
		id = "71498e5d-a30f-5501-a45f-3c01f1dac039"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED]6e[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0069006e[PII_REDACTED][PII_REDACTED][PII_REDACTED]280055006e[PII_REDACTED]6f[PII_REDACTED]29 } /* FileDescription SandraDeviceDriverWinxUnicode */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]53006f[PII_REDACTED][PII_REDACTED]0065 } /* CompanyName SiSoftware */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8][PII_REDACTED]2e0035002e0031002e[PII_REDACTED][PII_REDACTED]006c[PII_REDACTED]620079003a[PII_REDACTED]69006e[PII_REDACTED]4b } /* FileVersion builtbyWinDDK */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8][PII_REDACTED]2e0035002e0031002e0031 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]4e[PII_REDACTED]41 } /* InternalName SANDRA */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]53006f[PII_REDACTED][PII_REDACTED][PII_REDACTED]530061006e[PII_REDACTED]61 } /* ProductName SiSoftwareSandra */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]4e[PII_REDACTED]41 } /* OriginalFilename SANDRA */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED]2000a[PII_REDACTED][PII_REDACTED]f[PII_REDACTED][PII_REDACTED][PII_REDACTED]4c[PII_REDACTED][PII_REDACTED][PII_REDACTED]2d[PII_REDACTED]300036002e[PII_REDACTED]6c006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0064002e } /* LegalCopyright CopyrightSiSoftwareLtdAllrightsreserved */
	condition: