YARA Detection Rule: PUA_VULN_Renamed_Driver_Filseclabcorporation_Filwfp_Filseclabfirewall_490C
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - filwfp.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]6c[PII_REDACTED]63006c[PII_REDACTED][PII_REDACTED][PII_REDACTED]770061006c006c } /* FileDescription FilseclabFirewall */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]6c[PII_REDACTED]63006c[PII_REDACTED]200043006f[PII_REDACTED]6f[PII_REDACTED]740069006f006e } /* CompanyName FilseclabCorporation */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002c[PII_REDACTED]2c[PII_REDACTED]2c[PII_REDACTED][PII_REDACTED] } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002c[PII_REDACTED]2c[PII_REDACTED]2c[PII_REDACTED][PII_REDACTED] } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]6c[PII_REDACTED]70 } /* InternalName filwfp */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]6c[PII_REDACTED]63006c[PII_REDACTED][PII_REDACTED][PII_REDACTED]770061006c006c } /* ProductName FilseclabFirewall */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065

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

Full rule:
rule PUA_VULN_Renamed_Driver_Filseclabcorporation_Filwfp_Filseclabfirewall_490C {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - filwfp.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "490cfbb540dcd70b7bff4fdd62e7ed7400bbfebaf5083523d49f7184670f7b9a"
		date = "2024-08-07"
		score = 70
		id = "7c81fab1-9ef5-543d-9a83-6b5952ec8a3c"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED]6c[PII_REDACTED]63006c[PII_REDACTED][PII_REDACTED][PII_REDACTED]770061006c006c } /* FileDescription FilseclabFirewall */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]6c[PII_REDACTED]63006c[PII_REDACTED]200043006f[PII_REDACTED]6f[PII_REDACTED]740069006f006e } /* CompanyName FilseclabCorporation */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002c[PII_REDACTED]2c[PII_REDACTED]2c[PII_REDACTED][PII_REDACTED] } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002c[PII_REDACTED]2c[PII_REDACTED]2c[PII_REDACTED][PII_REDACTED] } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]6c[PII_REDACTED]70 } /* InternalName filwfp */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]6c[PII_REDACTED]63006c[PII_REDACTED][PII_REDACTED][PII_REDACTED]770061006c006c } /* ProductName FilseclabFirewall */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]6c[PII_REDACTED]70002e[PII_REDACTED]73 } /* OriginalFilename filwfpsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]460069006c[PII_REDACTED]63006c[PII_REDACTED]200043006f[PII_REDACTED]6f[PII_REDACTED]740069006f006e } /* LegalCopyright CopyrightCFilseclabCorporation */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /filwfp/i
}