Analysis of EasyAntiCheat_EOS.sys: clean verdict, risk score 16/100. 0 YARA matches, 0/75 multi-engine detections. SHA256 a423d526f8c680de. Kernel imports, IOCTL codes, MITRE ATT&CK, and code-signing details.
DriverShield analyzed the Windows kernel driver EasyAntiCheat_EOS.sys and assigned a verdict of Clean with a composite risk score of 16/100, indicating no notable risk signals (0-29 band).
| Verdict | Clean (16/100) |
| YARA matches | 0 |
| Multi-engine detections | 0 / 75 |
| File size | 39142928 bytes |
| Code-signing signer | GlobalSign Code Signing Root R45 |
| Analyzed | 2026-10-05 |
| SHA256 | a423d526f8c680de7d117719b3479ddd47f9d57dd46ba5b0da284e066422d61f |
| SHA1 | e554bd586b03168d801eee373ca5a2304bda1ab4 |
| MD5 | 1a9e817e49c0039be4ca96495394b22b |
Version resource data embedded in the EasyAntiCheat_EOS.sys PE header, as extracted by the analysis engine.
| File description | Easy Anti-Cheat (EOS) driver |
|---|---|
| Product | Easy Anti-Cheat (EOS) |
| Company | EasyAntiCheat Oy |
| Internal name | EasyAntiCheat_EOS.sys |
| Copyright | Copyright Epic Games, Inc. 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 | 0 / 100 |
| IOCTL dispatch surface | 100 / 100 |
| Known-vulnerable corpus | 0 / 100 |
| Code-signing state | 0 / 100 |
| Packing and entropy | 80 / 100 |
| Dynamic behaviour | 0 / 100 |
| CVE cross-reference | 0 / 100 |
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 |
|---|---|---|---|
| 0x008081B7 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #109 |
| 0x0034850F | high | METHOD_NEITHER | FILE_DEVICE_DISK Function #323 |
| 0x0080BFF7 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #4093 |
| 0x0080858B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #354 |
| 0x008000BB | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #46 |
| 0x0080840F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #259 |
| 0x002200C7 | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #49 |
| 0x0022B8FF | high | METHOD_NEITHER | FILE_DEVICE_UNKNOWN Function #3647 |
| 0x00808F8B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #994 |
| 0x003406C7 | high | METHOD_NEITHER | FILE_DEVICE_DISK Function #433 |
| 0x0080968B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #1442 |
| 0x008083C7 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #241 |
| 0x0080850F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #323 |
| 0x00800083 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #32 |
| 0x0080888B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #546 |
| 0x00809D8B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #1890 |
| 0x0080AD3B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #2894 |
| 0x00807D83 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #3936 |
| 0x0080830F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #195 |
| 0x008002C7 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #177 |
| 0x00800007 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #1 |
| 0x0080000B | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #2 |
| 0x0080000F | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #3 |
| 0x00800013 | high | METHOD_NEITHER | FILE_DEVICE_CUSTOM Function #4 |
Showing 24 of 40 extracted control codes.
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 | 0x17D242 | 0x17D400 | 4 | CODE, EXEC, READ |
| .rdata | 0x8DFB8 | 0x8E000 | 5.59 | IDATA, READ |
| .data | 0x7618D | 0xB600 | 6.77 | IDATA, READ, WRITE |
| 0x6438 | 0x6600 | 0 | IDATA, READ | |
| .rsrc | 0x0330 | 0x0400 | 2.75 | IDATA, READ, DISCARD |
| .reloc | 0x0990 | 0x0A00 | 5.29 | IDATA, READ, DISCARD |
| 0x2800 | 0x2800 | 6.33 | CODE, EXEC, READ | |
| 0x2323000 | 0x2322800 | 6.53 | EXEC, READ | |
| .pdata | 0xC000 | 0xBC00 | 6.44 | READ |
| Control Flow Guard | Not enabled |
|---|---|
| ASLR | Enabled |
| DEP | Enabled |
| Integrity check | Enforced |
| Mitigation score | 75 / 100 |
Techniques this driver could enable if loaded by an adversary.
| ID | Technique | Tactic |
|---|---|---|
| T1071 | Application Layer Protocol | Command and Control |
| T1543.003 | Windows Service | Persistence |
| T1652 | Device Driver Discovery | Discovery |
| Signer | GlobalSign Code Signing Root R45 |
|---|---|
| Signer organisation | GlobalSign nv-sa |
| Issuer | GlobalSign |
| Serial | 7803184245708A41CF6F01B8EEB4A954 |
| Valid from | 2020-07-28 00:00 UTC |
| Valid until | 2029-03-18 00:00 UTC |
| Signature validity | Verified |
Engine angr, status static_approximation, 0 paths explored at a maximum depth of 0. Vulnerability classes reached: 0. Exploitable paths: 0.
Based on DriverShield static and dynamic analysis, EasyAntiCheat_EOS.sys is assessed as clean, with no notable risk signals. Its composite risk score is 16/100 (verdict: clean). Always validate findings independently before acting.
EasyAntiCheat_EOS.sys has a DriverShield composite risk score of 16/100, placing it in the clean verdict band. SHA256: a423d526f8c680de7d117719b3479ddd47f9d57dd46ba5b0da284e066422d61f.
EasyAntiCheat_EOS.sys is a Windows kernel-mode driver (.sys) analyzed by DriverShield for vulnerabilities, BYOVD abuse potential, and malware indicators. It is code-signed by GlobalSign Code Signing Root R45.
Related: Other drivers signed by GlobalSign Code Signing Root R45 · What an IOCTL dispatch code is · BYOVD research index · full driver database · CVE library · code signing atlas