YARA Detection Rule: PUA_VULN_Driver_Sysinternalswwwsysinternalscom_Procexpsys_Processexplorer_3FF3
Repository: Neo23x0/signature-base
Detects: Detects vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - procexp.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]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]70006c006f[PII_REDACTED]72 } /* FileDescription ProcessExplorer */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]730069006e[PII_REDACTED]72006e0061006c[PII_REDACTED]2d[PII_REDACTED]770077002e[PII_REDACTED]730069006e[PII_REDACTED]72006e0061006c0073002e0063006f006d } /* CompanyName Sysinternalswwwsysinternalscom */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8][PII_REDACTED]2e00340030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8][PII_REDACTED]2e00340030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]6f[PII_REDACTED]780070002e[PII_REDACTED]73 } /* InternalName procexpsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]70006c006f[PII_REDACTED]72 } /* ProductName ProcessExplorer */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e006100

Detection condition:
uint16(0) == 0x5a4d and filesize < 100KB and all of them

Full rule:
rule PUA_VULN_Driver_Sysinternalswwwsysinternalscom_Procexpsys_Processexplorer_3FF3 {
	meta:
		description = "Detects vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - procexp.Sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "3ff39728f1c11d1108f65ec5eb3d722fd1a1279c530d79712e0d32b34880baaa"
		hash = "86721ee[PII_REDACTED]ed3dbe1ccbf933ae004c315b1691745a8af4a0df9fed675"
		date = "2024-08-07"
		score = 40
		id = "ce58b5cb-437a-56b2-8ccb-9399ce2ef6c3"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]70006c006f[PII_REDACTED]72 } /* FileDescription ProcessExplorer */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]730069006e[PII_REDACTED]72006e0061006c[PII_REDACTED]2d[PII_REDACTED]770077002e[PII_REDACTED]730069006e[PII_REDACTED]72006e0061006c0073002e0063006f006d } /* CompanyName Sysinternalswwwsysinternalscom */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8][PII_REDACTED]2e00340030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8][PII_REDACTED]2e00340030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]6f[PII_REDACTED]780070002e[PII_REDACTED]73 } /* InternalName procexpsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]70006c006f[PII_REDACTED]72 } /* ProductName ProcessExplorer */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]6f[PII_REDACTED]780070002e[PII_REDACTED]73 } /* OriginalFilename procexpSys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]4d002e[PII_REDACTED][PII_REDACTED]0069006e006f[PII_REDACTED][PII_REDACTED][PII_REDACTED]390036002d[PII_REDACTED]310030 } /* LegalCopyright CopyrightCMRussinovich */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them
}