YARA Detection Rule: PUA_VULN_Renamed_Driver_Netfiltersys_F171
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - netfilter2.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]4a[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]500029 } /* FileDescription WYJSQWFPDriverWPP */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]5b8f56fe65e05fe7 } /* CompanyName  */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0035002e0037002e0038 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0036002e0032002e[PII_REDACTED]300030002e[PII_REDACTED][PII_REDACTED] } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]006e[PII_REDACTED]660069006c[PII_REDACTED]720032002e[PII_REDACTED]73 } /* InternalName netfiltersys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]65e05fe752a0901f5668 } /* ProductName  */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]006e[PII_REDACTED]660069006c[PII_REDACTED]720032002e[PII_REDACTED]73 } /* OriginalFilename netfiltersys */
		$ = { 004c[PII_REDACTED]6

Detection condition:
uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /netfilter2/i

Full rule:
rule PUA_VULN_Renamed_Driver_Netfiltersys_F171 {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - netfilter2.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "f1718a005232d1261894b798a60c73d971416359b70d0e545d7e7a40ed742b71"
		date = "2024-08-07"
		score = 70
		id = "04b61a78-78c4-511d-89db-7bf3d94be8db"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED]4a[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]500029 } /* FileDescription WYJSQWFPDriverWPP */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]5b8f56fe65e05fe7 } /* CompanyName  */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0035002e0037002e0038 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0036002e0032002e[PII_REDACTED]300030002e[PII_REDACTED][PII_REDACTED] } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]006e[PII_REDACTED]660069006c[PII_REDACTED]720032002e[PII_REDACTED]73 } /* InternalName netfiltersys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]65e05fe752a0901f5668 } /* ProductName  */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]006e[PII_REDACTED]660069006c[PII_REDACTED]720032002e[PII_REDACTED]73 } /* OriginalFilename netfiltersys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED]2000a[PII_REDACTED]079006a[PII_REDACTED]2e0063006f006d } /* LegalCopyright Copyrightwyjsqcom */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /netfilter2/i
}