Analysis of PoisonX13.sys: vulnerable verdict, risk score 60/100. 0 YARA matches, 40/75 multi-engine detections. SHA256 50870b82104a309c. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver PoisonX13.sys and assigned a verdict of Vulnerable with a composite risk score of 60/100, indicating a known or likely vulnerability surface (60-79 band).
| Verdict | Vulnerable (60/100) |
| YARA matches | 0 |
| Multi-engine detections | 40 / 75 |
| File size | 19672 bytes |
| Code-signing signer | Microsoft Windows Hardware Compatibility Publisher |
| Analyzed | 2026-09-06 |
| SHA256 | 50870b82104a309c107ad6ed50c023324fd73b6908a52f6070f47b8d247323c9 |
| SHA1 | a8e12c5c08367c673ac217739061809640da579c |
| MD5 | 1a5820c57cbb62031ae62aa89c13e9e0 |
Each component is scored 0-100 and then weighted into the composite. See the analysis methodology for the exact formula.
| Component | Sub-score |
|---|---|
| Multi-engine consensus | 0 / 100 |
| YARA signature matches | 0 / 100 |
| Dangerous kernel imports | 100 / 100 |
| IOCTL dispatch surface | 6 / 100 |
| Known-vulnerable corpus | 100 / 100 |
| Code-signing state | 80 / 100 |
| Packing and entropy | 0 / 100 |
| Dynamic behaviour | 0 / 100 |
| CVE cross-reference | 0 / 100 |
Kernel-mode APIs resolved from the Import Address Table of PoisonX13.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| ZwTerminateProcess | critical | Highly dangerous - potential for arbitrary code execution, memory corruption, or process termination |
| ZwOpenProcess | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| ExAllocatePool | low | Standard kernel API - generally benign |
| IoDeleteSymbolicLink | low | Standard kernel API - generally benign |
| IoCreateDevice | low | Standard kernel API - generally benign |
| KeDelayExecutionThread | low | Standard kernel API - generally benign |
| IofCompleteRequest | low | Standard kernel API - generally benign |
| IoDeleteDevice | low | Standard kernel API - generally benign |
| ZwClose | low | Standard kernel API - generally benign |
| IoCreateSymbolicLink | low | Standard kernel API - generally benign |
| RtlInitUnicodeString | low | Standard kernel API - generally benign |
Control codes reachable through the driver dispatch routine. Codes tied to published exploit code are flagged, since they are the primary Bring Your Own Vulnerable Driver (BYOVD) entry points.
| Code | Severity | Transfer | Description |
|---|---|---|---|
| 0x002200F0 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #60 |
| 0x0022E008 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #2050 |
Section layout and Shannon entropy. High entropy in a code section is a packing or encryption indicator.
| Section | Virtual size | Raw size | Entropy | Flags |
|---|---|---|---|---|
| .text | 0x0E33 | 0x1000 | 5.78 | CODE, EXEC, READ |
| .rdata | 0x0534 | 0x0600 | 3.59 | IDATA, READ |
| .data | 0x1038 | 0x0200 | 0.12 | IDATA, READ, WRITE |
| .pdata | 0x00C0 | 0x0200 | 1.63 | IDATA, READ |
| INIT | 0x0260 | 0x0400 | 3.13 | CODE, EXEC, READ, DISCARD |
| .reloc | 0x0014 | 0x0200 | 0.26 | IDATA, READ, DISCARD |
| Control Flow Guard | Enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Not enforced |
| Mitigation score | 85 / 100 |
Techniques this driver could enable if loaded by an adversary.
| ID | Technique | Tactic |
|---|---|---|
| T1055.001 | Process Injection: DLL Injection | Defense Evasion |
| T1068 | Exploitation for Privilege Escalation | Privilege Escalation |
| T1211 | Exploitation for Defense Evasion | Defense Evasion |
| T1489 | Service Stop | Impact |
| T1543.003 | Windows Service | Persistence |
| T1553.002 | Subvert Trust Controls: Code Signing | Defense Evasion |
| T1562.001 | Disable/Modify Tools | Defense Evasion |
| T1569.002 | System Services: Service Execution | Execution |
| T1652 | Device Driver Discovery | Discovery |
| Signer | Microsoft Windows Hardware Compatibility Publisher |
|---|---|
| Signer organisation | Microsoft Corporation |
| Issuer | Microsoft Windows Third Party Component CA 2014 |
| Serial | 330000006E1229856F0ADE6CFC00000000006E |
| Valid from | 2024-10-10 19:04 UTC |
| Valid until | 2025-10-08 19:04 UTC (expired) |
| Signature validity | Not verified |
Engine angr, status completed, 100 paths explored at a maximum depth of 100. Vulnerability classes reached: 0. Exploitable paths: 0.
Corpus match: this hash is present in the known-vulnerable driver corpus DriverShield cross-references during analysis, which is why the score carries a full weighting on that component.
Based on DriverShield static and dynamic analysis, PoisonX13.sys is flagged as vulnerable and is a potential Bring Your Own Vulnerable Driver (BYOVD) risk. Its composite risk score is 60/100 (verdict: vulnerable). Always validate findings independently before acting.
PoisonX13.sys has a DriverShield composite risk score of 60/100, placing it in the vulnerable verdict band. SHA256: 50870b82104a309c107ad6ed50c023324fd73b6908a52f6070f47b8d247323c9.
PoisonX13.sys is a Windows kernel-mode driver (.sys) analyzed by DriverShield for vulnerabilities, BYOVD abuse potential, and malware indicators. It is code-signed by Microsoft Windows Hardware Compatibility Publisher.
Related: Other drivers signed by Microsoft Windows Hardware Compatibility Publisher · What an IOCTL dispatch code is · BYOVD research index · full driver database · CVE library · code signing atlas