YARA Detection Rule: PUA_VULN_Renamed_Driver_Hilschergesellschaftfrsystemaoutomationmbh_Physmemsys_Physicalmemoryaccessdriver_C299
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - physmem.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]6c0020004d0065006d006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0072 } /* FileDescription PhysicalMemoryAccessDriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006c006c[PII_REDACTED][PII_REDACTED][PII_REDACTED]6600fc[PII_REDACTED][PII_REDACTED][PII_REDACTED]6d0061006f[PII_REDACTED]6f006d[PII_REDACTED]69006f006e0020006d00620048 } /* CompanyName HilscherGesellschaftfrSystemaoutomationmbH */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0030002e0030002e0030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e0030002e0030002e0030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]790073006d0065006d002e[PII_REDACTED]73 } /* InternalName physmemsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED]00630061

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

Full rule:
rule PUA_VULN_Renamed_Driver_Hilschergesellschaftfrsystemaoutomationmbh_Physmemsys_Physicalmemoryaccessdriver_C299 {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - physmem.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "c299063e3eae8ddc15839767e83b9808fd43418dc5a1af7e4f44b97ba53fbd3d"
		date = "2024-08-07"
		score = 70
		id = "27aa8117-0bc2-5f84-98df-d7360bba16a4"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED]6c0020004d0065006d006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0072 } /* FileDescription PhysicalMemoryAccessDriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006c006c[PII_REDACTED][PII_REDACTED][PII_REDACTED]6600fc[PII_REDACTED][PII_REDACTED][PII_REDACTED]6d0061006f[PII_REDACTED]6f006d[PII_REDACTED]69006f006e0020006d00620048 } /* CompanyName HilscherGesellschaftfrSystemaoutomationmbH */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0031002e0030002e0030002e0030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0031002e0030002e0030002e0030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8][PII_REDACTED]790073006d0065006d002e[PII_REDACTED]73 } /* InternalName physmemsys */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8][PII_REDACTED][PII_REDACTED][PII_REDACTED]6c0020004d0065006d006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]0072 } /* ProductName PhysicalMemoryAccessDriver */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8][PII_REDACTED]790073006d0065006d002e[PII_REDACTED]73 } /* OriginalFilename physmemsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]00a[PII_REDACTED]069006c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006c006c[PII_REDACTED][PII_REDACTED][PII_REDACTED]6600fc[PII_REDACTED]53