YARA Detection Rule: PUA_VULN_Renamed_Driver_Rweverything_Rwdrvsys_Rwdrvdriver_45BA
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - RwDrv.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][PII_REDACTED][PII_REDACTED][PII_REDACTED]00650072 } /* FileDescription RwDrvDriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]2d[PII_REDACTED][PII_REDACTED][PII_REDACTED]69006e0067 } /* CompanyName RWEverything */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e[PII_REDACTED]2e[PII_REDACTED]2e[PII_REDACTED][PII_REDACTED][PII_REDACTED]69006c[PII_REDACTED]620079003a[PII_REDACTED]69006e[PII_REDACTED]4b } /* FileVersion builtbyWinDDK */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e[PII_REDACTED]2e[PII_REDACTED]2e[PII_REDACTED]300030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED]002e[PII_REDACTED]73 } /* InternalName RwDrvsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]00650072 } /* ProductName RwDrvDriver */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]00520077

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

Full rule:
rule PUA_VULN_Renamed_Driver_Rweverything_Rwdrvsys_Rwdrvdriver_45BA {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - RwDrv.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "45ba688a4bded8a7e78a4f5b0dc21004e951ddceb014bb92f51a3301d2fbc56a"
		hash = "bdcacb9f373b017d[PII_REDACTED]bca2089feb0900ce80e78df1bcaae8328ce042"
		hash = "3279593db91bb7ad5b489a01808c645eafafda6cc9c39f50d10ccc30203f2ddf"
		hash = "83fbf5d46cff38dd1c0f83686708b3bd6a3a73fddd7a2da2b5a3acccd1d9359c"
		hash = "d969845ef6acc8e5d3421a7ce7e244f[PII_REDACTED]71313b04148f9b322751e5d"
		hash = "1e0eb0811a7cf1bdaf29d3d2cab373ca51eb8d8b58889ab7728e2d3aed244abe"
		hash = "d15a0bc7a39bbeff10019496c1ed217b7c1b26da37b2bdd46820b35161ddb3c4"
		hash = "ea0b9eecf4ad5ec8c14aec13de7d661e7615018b1a3c65464bf5eca9bbf6ded3"
		date = "2024-08-07"
		score = 70
		id = "8790783a-921d-513e-9df5-6565e6f6709f"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]00650072 } /* FileDescription RwDrvDriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]2d[PII_REDACTED][PII_REDACTED][PII_REDACTED]69006e0067 } /* CompanyName RWEverything */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e[PII_REDACTED]2e[PII_REDACTED]2e[PII_REDACTED][PII_REDACTED][PII_REDACTED]69006c[PII_REDACTED]620079003a[PII_REDACTED]69006e[PII_REDACTED]4b } /* FileVersion builtbyWinDDK */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e[PII_REDACTED]2e[PII_REDACTED]2e[PII_REDACTED]300030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED]002e[PII_REDACTED]73 } /* InternalName RwDrvsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]00650072 } /* ProductName RwDrvDriver */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]0052