YARA Detection Rule: PUA_VULN_Renamed_Driver_Wj_Kprocesshacker_C725
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - kprocesshacker.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]004b[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]6b00650072 } /* FileDescription KProcessHacker */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]0077006a00330032 } /* CompanyName wj */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0032002e0038 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0032002e0038 } /* ProductVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]004b[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]6b00650072 } /* ProductName KProcessHacker */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]006b[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]6b[PII_REDACTED]2e[PII_REDACTED]73 } /* OriginalFilename kprocesshackersys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]004c[PII_REDACTED]65006e[PII_REDACTED][PII_REDACTED]006e[PII_REDACTED][PII_REDACTED][PII_REDACTED]200047004e[PII_REDACTED]470050004c002c[PII_REDACTED]33002e } /

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

Full rule:
rule PUA_VULN_Renamed_Driver_Wj_Kprocesshacker_C725 {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - kprocesshacker.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "c725919e6357126d512c638f993cf572112f323da359645e4088f789eb4c7b8c"
		date = "2024-08-07"
		score = 70
		id = "d46b65f1-7903-5766-bf7c-2736b3e2eaa5"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8]004b[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]6b00650072 } /* FileDescription KProcessHacker */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8]0077006a00330032 } /* CompanyName wj */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0032002e0038 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0032002e0038 } /* ProductVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]004b[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]6b00650072 } /* ProductName KProcessHacker */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]006b[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]6b[PII_REDACTED]2e[PII_REDACTED]73 } /* OriginalFilename kprocesshackersys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]004c[PII_REDACTED]65006e[PII_REDACTED][PII_REDACTED]006e[PII_REDACTED][PII_REDACTED][PII_REDACTED]200047004e[PII_REDACTED]470050004c002c[PII_REDACTED]33002e } /* LegalCopyright LicensedundertheGNUGPLv */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /kprocesshacker/i
}