YARA Detection Rule: PUA_VULN_Renamed_Driver_Safenetinc_Hostnt_Hostnt_07B6
Repository: Neo23x0/signature-base
Detects: Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - HOSTNT.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]0048006f[PII_REDACTED]6e[PII_REDACTED]360034002d[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED] } /* FileDescription Hostntbitdriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]660065004e[PII_REDACTED]2c[PII_REDACTED]6e0063002e } /* CompanyName SafeNetInc */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0034002c[PII_REDACTED]2c[PII_REDACTED]36002c00200030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0034002c[PII_REDACTED]2c[PII_REDACTED]36002c00200030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]0048006f[PII_REDACTED]6e0074 } /* InternalName Hostnt */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]0048006f[PII_REDACTED]6e0074 } /* ProductName Hostnt */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]0048006f[PII_REDACTED]6e0074002e[PII_REDACTED]73 } /* OriginalFilename Hostntsys */
		$ = { 004c[PII_REDACTED]61006c00

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

Full rule:
rule PUA_VULN_Renamed_Driver_Safenetinc_Hostnt_Hostnt_07B6 {
	meta:
		description = "Detects renamed vulnerable driver mentioned in LOLDrivers project using VersionInfo values from the PE header - HOSTNT.sys"
		author = "Florian Roth"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		hash = "07b6d69bafcfd767f1b63a490a8843c3bb1f8e1bbea56176109b5743c8f7d357"
		date = "2024-08-07"
		score = 70
		id = "a9a3ad7f-01cd-5e4f-964b-1ebd8faa1a92"
	strings:
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]006f006e[1-8]0048006f[PII_REDACTED]6e[PII_REDACTED]360034002d[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED] } /* FileDescription Hostntbitdriver */
		$ = { 0043006f006d[PII_REDACTED]6e0079004e0061006d0065[1-8][PII_REDACTED]660065004e[PII_REDACTED]2c[PII_REDACTED]6e0063002e } /* CompanyName SafeNetInc */
		$ = {[PII_REDACTED]6c[PII_REDACTED][PII_REDACTED]0069006f006e[1-8]0034002c[PII_REDACTED]2c[PII_REDACTED]36002c00200030 } /* FileVersion  */
		$ = {[PII_REDACTED]6f[PII_REDACTED][PII_REDACTED][PII_REDACTED]730069006f006e[1-8]0034002c[PII_REDACTED]2c[PII_REDACTED]36002c00200030 } /* ProductVersion  */
		$ = { 0049006e[PII_REDACTED]72006e0061006c004e0061006d0065[1-8]0048006f[PII_REDACTED]6e0074 } /* InternalName Hostnt */
		$ = {[PII_REDACTED]6f[PII_REDACTED]630074004e0061006d0065[1-8]0048006f[PII_REDACTED]6e0074 } /* ProductName Hostnt */
		$ = { 004f[PII_REDACTED]670069006e0061006c[PII_REDACTED]6c0065006e0061006d0065[1-8]0048006f[PII_REDACTED]6e0074002e[PII_REDACTED]73 } /* OriginalFilename Hostntsys */
		$ = { 004c[PII_REDACTED]61006c0043006f[PII_REDACTED][PII_REDACTED]00680074[1-8]0043006f[PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED][PII_REDACTED]4e[PII_REDACTED]2c[PII_REDACTED]6e0063002e } /* LegalCopyright CopyrightCSafeNetInc */
	condition:
		uint16(0) == 0x5a4d and filesize < 100KB and all of them and not filename matches /HOSTNT/i
}