Analysis of tcpipreg.sys: clean verdict, risk score 20/100. 0 YARA matches. SHA256 6e4c7155e7b5676b. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver tcpipreg.sys and assigned a verdict of Clean with a composite risk score of 20/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (20/100) |
| YARA matches | 0 |
| File size | 56320 bytes |
| Analyzed | 2026-03-22 |
| SHA256 | 6e4c7155e7b5676b8d6416d32312523a49ba51668355786300bd4e402657d9e9 |
| SHA1 | 8afa2e007622302c20b1992fc49aff4807bad1f8 |
| MD5 | 343a8af6bf3038567f0a22fbe16a9e2c |
Version resource data embedded in the tcpipreg.sys PE header, as extracted by the analysis engine.
| File description | TCP/IP Registry Compatibility Driver |
|---|---|
| Product | Microsoft® Windows® Operating System |
| Company | Microsoft Corporation |
| Original filename | tcpipreg.sys |
| Internal name | tcpipreg.sys |
| File version | 10.0.19041.4355 (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 | 45 / 100 |
| Known-vulnerable corpus | 0 / 100 |
| Code-signing state | 50 / 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 tcpipreg.sys, ranked by exploitation relevance.
| API | Risk | Why it matters |
|---|---|---|
| MmGetSystemRoutineAddress | high | Potentially dangerous - could be used for privilege escalation or security bypass |
| ZwSetValueKey | medium | Moderate risk - system modification capability |
| ZwCreateKey | medium | Moderate risk - system modification capability |
| KeWaitForSingleObject | low | Standard kernel API - generally benign |
| RtlInitUnicodeString | low | Standard kernel API - generally benign |
| ZwQueryValueKey | low | Standard kernel API - generally benign |
| ZwClose | low | Standard kernel API - generally benign |
| ZwOpenKey | low | Standard kernel API - generally benign |
| KeSetEvent | low | Standard kernel API - generally benign |
| ExAllocatePoolWithTag | low | Standard kernel API - generally benign |
| KeInitializeEvent | 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 |
|---|---|---|---|
| 0x0080AD8B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #2914 |
| 0x002200F0 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #60 |
| 0x0080C705 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #449 |
| 0x00805F0D | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #1987 |
| 0x00806605 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #2433 |
| 0x0080A70D | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #2499 |
| 0x0080898D | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #611 |
| 0x00802484 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2337 |
| 0x0080249C | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2343 |
| 0x0080EC81 | medium | METHOD_IN_DIRECT | FILE_DEVICE_CUSTOM Function #2848 |
| 0x0022F981 | medium | METHOD_IN_DIRECT | FILE_DEVICE_UNKNOWN Function #3680 |
| 0x00802500 | medium | METHOD_BUFFERED | FILE_DEVICE_CUSTOM Function #2368 |
| 0x00223DC0 | medium | METHOD_BUFFERED | FILE_DEVICE_UNKNOWN Function #3952 |
| 0x003403BC | medium | METHOD_BUFFERED | FILE_DEVICE_DISK Function #239 |
| 0x0034002E | medium | METHOD_OUT_DIRECT | FILE_DEVICE_DISK Function #11 |
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 | 0x7407 | 0x7600 | 6.1 | CODE, EXEC, READ |
| .rdata | 0x1A30 | 0x1C00 | 4.37 | IDATA, READ |
| .data | 0x1048 | 0x0E00 | 1.65 | IDATA, READ, WRITE |
| .pdata | 0x07A4 | 0x0800 | 4.35 | IDATA, READ |
| .idata | 0x0988 | 0x0A00 | 4.53 | IDATA, READ |
| PAGE | 0x07E0 | 0x0800 | 6.09 | CODE, EXEC, READ |
| INIT | 0x01E3 | 0x0200 | 5.66 | CODE, EXEC, READ, DISCARD |
| GFIDS | 0x009C | 0x0200 | 1.33 | IDATA, READ, DISCARD |
| .rsrc | 0x1168 | 0x1200 | 3.55 | IDATA, READ, DISCARD |
| .reloc | 0x06A0 | 0x0800 | 5.15 | IDATA, READ, DISCARD |
| Control Flow Guard | Enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Not enforced |
| Mitigation score | 80 / 100 |
Techniques this driver could enable if loaded by an adversary.
| ID | Technique | Tactic |
|---|---|---|
| T1112 | Modify Registry | Defense Evasion |
| T1211 | Exploitation for Defense Evasion | Defense Evasion |
| T1543.003 | Windows Service | Persistence |
| T1547.001 | Registry Run Keys | Persistence |
| T1553.002 | Subvert Trust Controls: Code Signing | Defense Evasion |
| T1553.006 | Code Signing Policy Modification | Defense Evasion |
| T1652 | Device Driver Discovery | Discovery |
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, tcpipreg.sys is assessed as clean, with no notable risk signals. Its composite risk score is 20/100 (verdict: clean). Always validate findings independently before acting.
tcpipreg.sys has a DriverShield composite risk score of 20/100, placing it in the clean verdict band. SHA256: 6e4c7155e7b5676b8d6416d32312523a49ba51668355786300bd4e402657d9e9.
tcpipreg.sys is a Windows kernel-mode driver (.sys) analyzed by DriverShield for vulnerabilities, BYOVD abuse potential, and malware indicators.
Related: What an IOCTL dispatch code is · BYOVD research index · full driver database · CVE library · code signing atlas