YARA Detection Rule: PUA_VULN_Driver_Realteksemiconductorcorp_Rtportsys_Realtekportio_FF32
Repository: Neo23x0/signature-base
Detects: Detects vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - rtport.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]41004c[PII_REDACTED]4b[PII_REDACTED]6f[PII_REDACTED]200049002f004f } /* FileDescription REALTEKPortIO */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]41004c[PII_REDACTED]4b[PII_REDACTED]65006d[PII_REDACTED]6f006e[PII_REDACTED]630074006f[PII_REDACTED]43006f[PII_REDACTED]2e } /* CompanyName REALTEKSemiconductorCorp */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0030002e[PII_REDACTED]2e[PII_REDACTED]300030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e0030002e[PII_REDACTED]2e[PII_REDACTED]300030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]50004f[PII_REDACTED]2e[PII_REDACTED]53 } /* InternalName RTPORTSYS */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]41004c[PII_REDACTED]4b[PII_REDACTED]6f[PII_REDACTED]200049002f004f } /* ProductName REALTEKPortIO */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e00610

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

Full rule:
rule PUA_VULN_Driver_Realteksemiconductorcorp_Rtportsys_Realtekportio_FF32 {
	meta:
		description = "Detects vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - rtport.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "ff322cd0cc30976f9dbdb7a3681529aeab0de7b7f5c5763362b02c15da9657a1"
		date = "2024-08-07"
		score = 40
		id = "4f6b5de0-26e8-50f8-b4a1-948b6acebb62"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED]41004c[PII_REDACTED]4b[PII_REDACTED]6f[PII_REDACTED]200049002f004f } /* FileDescription REALTEKPortIO */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]41004c[PII_REDACTED]4b[PII_REDACTED]65006d[PII_REDACTED]6f006e[PII_REDACTED]630074006f[PII_REDACTED]43006f[PII_REDACTED]2e } /* CompanyName REALTEKSemiconductorCorp */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0030002e[PII_REDACTED]2e[PII_REDACTED]300030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e0030002e[PII_REDACTED]2e[PII_REDACTED]300030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]50004f[PII_REDACTED]2e[PII_REDACTED]53 } /* InternalName RTPORTSYS */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED]41004c[PII_REDACTED]4b[PII_REDACTED]6f[PII_REDACTED]200049002f004f } /* ProductName REALTEKPortIO */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]50004f[PII_REDACTED]2e[PII_REDACTED]53 } /* OriginalFilename RTPORTSYS */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0039002d[PII_REDACTED][PII_REDACTED][PII_REDACTED]41004c[PII_REDACTED]4b[PII_REDACTED]65006d[PII_REDACTED]6f006e[PII_REDACTED]630074006f[PII_REDACTED]43006f[PII_REDACTED]2e } /* LegalCopyright CopyrightcREALTEKSemiconductorCorp */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them
}