Analysis of mssecwfp.sys: clean verdict, risk score 18/100. 0 YARA matches. SHA256 d07b0bba1bb4c191. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver mssecwfp.sys and assigned a verdict of Clean with a composite risk score of 18/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (18/100) |
| YARA matches | 0 |
| File size | 71152 bytes |
| Code-signing signer | Microsoft Windows |
| Analyzed | 2026-03-22 |
| SHA256 | d07b0bba1bb4c191406eb4eda28028e96cd62a2005a45a375db3101efa0649cd |
| SHA1 | 5f31ad9d2448ae23270be5bf78d14835d16b704d |
| MD5 | 9e5cab751cb583d76edaf3fbb6288698 |
Version resource data embedded in the mssecwfp.sys PE header, as extracted by the analysis engine.
| File description | Microsoft Security WFP Callout Driver |
|---|---|
| Product | Microsoft® Windows® Operating System |
| Company | Microsoft Corporation |
| Original filename | mssecwfp.sys |
| Internal name | mssecwfp |
| File version | 10.8775.27682.1012 (WinBuild.160101.0800) |
| Copyright | © Microsoft Corporation. All rights reserved. |
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 | 66 / 100 |
| IOCTL dispatch surface | 18 / 100 |
| Known-vulnerable corpus | 0 / 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 mssecwfp.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| MmGetSystemRoutineAddress | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| ObOpenObjectByPointer | medium | Moderate risk - system modification capability |
| IoDeleteDevice | low | Standard kernel API - generally benign |
| IoCreateSymbolicLink | low | Standard kernel API - generally benign |
| IoDeleteSymbolicLink | low | Standard kernel API - generally benign |
| PsGetCurrentProcess | low | Standard kernel API - generally benign |
| IofCompleteRequest | low | Standard kernel API - generally benign |
| ZwClose | low | Standard kernel API - generally benign |
| ExAllocatePoolWithTag | low | Standard kernel API - generally benign |
| IoCreateDevice | 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 |
| 0x00802484 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2337 |
| 0x00220020 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #8 |
| 0x00340076 | medium | METHOD_OUT_DIRECT | FILE_DEVICE_DISK Function #29 |
| 0x00808189 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #98 |
| 0x003403C0 | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #240 |
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 | 0x12B7 | 0x2000 | 4.15 | CODE, EXEC, READ |
| fothk | 0x1000 | 0x1000 | 0.03 | CODE, EXEC, READ |
| .rdata | 0x0AE4 | 0x1000 | 3.48 | IDATA, READ |
| .data | 0x0420 | 0x1000 | 0.43 | IDATA, READ, WRITE |
| .pdata | 0x01F8 | 0x1000 | 0.69 | IDATA, READ |
| .idata | 0x0AAE | 0x1000 | 3.35 | IDATA, READ |
| PAGE | 0x119A | 0x2000 | 3.97 | CODE, EXEC, READ |
| INIT | 0x0278 | 0x1000 | 1.41 | CODE, EXEC, READ, DISCARD |
| GFIDS | 0x0044 | 0x1000 | 0.1 | IDATA, READ, DISCARD |
| .rsrc | 0x1238 | 0x2000 | 2.32 | IDATA, READ, DISCARD |
| .reloc | 0x039C | 0x1000 | 1.47 | IDATA, READ, DISCARD |
| Control Flow Guard | Enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Enforced |
| Mitigation score | 90 / 100 |
Techniques this driver could enable if loaded by an adversary.
| ID | Technique | Tactic |
|---|---|---|
| T1071 | Application Layer Protocol | Command and Control |
| T1211 | Exploitation for Defense Evasion | Defense Evasion |
| T1543.003 | Windows Service | Persistence |
| T1553.002 | Subvert Trust Controls: Code Signing | Defense Evasion |
| T1569.002 | Service Execution | Execution |
| T1652 | Device Driver Discovery | Discovery |
| Signer | Microsoft Windows |
|---|---|
| Signer organisation | Microsoft Corporation |
| Issuer | Microsoft Windows Production PCA 2011 |
| Serial | 330000045FF3C96C1A7FF7DA1D00000000045F |
| Valid from | 2023-11-16 19:20 UTC |
| Valid until | 2024-11-14 19:20 UTC (expired) |
| Signature validity | Not verified |
Engine angr, status no_findings, 0 paths explored at a maximum depth of 0. Vulnerability classes reached: 0. Exploitable paths: 0.
Based on DriverShield static and dynamic analysis, mssecwfp.sys is assessed as clean, with no notable risk signals. Its composite risk score is 18/100 (verdict: clean). Always validate findings independently before acting.
mssecwfp.sys has a DriverShield composite risk score of 18/100, placing it in the clean verdict band. SHA256: d07b0bba1bb4c191406eb4eda28028e96cd62a2005a45a375db3101efa0649cd.
mssecwfp.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.
Related: Other drivers signed by Microsoft Windows · What an IOCTL dispatch code is · BYOVD research index · full driver database · CVE library · code signing atlas