dawn/dev_tools/network.md

Network 1.1.0 Analysis

Headings are ordered by stage of the game.

Non-relevant addresses are censored after the second full stop (ex. static.google.* (just in case).

Sources:

• mitmproxy: 1.0.1 Linux vs Windows

Hosts to block

See patch.sh of the current version.

1 Launcher

Connection type: entirely TCP / TLSv1.2

DNS requests:

• sdk-os-static.mihoyo.*
• log-upload-os.*
• api-static.mihoyo.* Game update information (trigger by launcher button)
• webstatic.*
• genshin.mihoyo.*

2 Startup & login

Connection type: TCP/TLSv1.2 and TCP/HTTP

DNS requests, sorted by appearance:

• dispatchosglobal.* Server listing (required, error 4201)
• osasiadispatch.* Asia server
• oseurodispatch.* Europa server
• osusadispatch.* USA server
• webstatic-sea.mihoyo.* In-game news (optional, deprecated)
• webstatic.h* tbc, Possibly in-game news (optional)
• apm-log-upload(-os).*: Yet unknown (>= 4.2.0)

• log-upload(-os).* Log server (optional, < 4.2.0)

• hk4e-sdk-os.h* Central login and sales server (required)

• hk4e-api-os.h* Announcements, alerts (optional)

• (hk4e-)sdk-os(-static).h* Authentication/login related data

• sdk-os-static.h* Accessed at late game / exit

List of logging domains for general system information: (optional)

• ys-log-upload(-os).* after login (>= 4.0.0)
• overseauspider.* before login
  • To report kernel driver loading errors. No Wine specifics included.
• (os)uspider.* after login (>= 4.2.0)
• (sg-)public-data-api.* before login (< 3.7.0, >= 4.1.0)
• sdk-log-upload(-os).* before login (>= 5.0.0, < 5.1.0)

Login (captcha) servers:

• static.geetest.com Image-based captcha
• api-na.geetest.com Image-based captcha
• status.geotrust.com
• account.h* Game/special central account server
• api-account-os.h*
• abtest-api-data-sg.h*

In addition to a few unity3d hosts which have no effect when blacklisted in /etc/hosts.

Driver error log

POST request to /log when mhypbase.dll is present.

• Host: overseauspider.* or uspider.*
• Data:

---

{
    "deviceModel": "possibly unique GUID",
    (....)
    "errorCategory":"MHYpBase",
    "logStr":"HoYoDriverInter",
    "stackTrace":"[onInstallDriverError] Status=0Error=0State=0"
}

---

3 Game data loader

Connection type: UDP

Untouched section until it becomes necessary.

• autopatchhk.yuanshen.* "Persistent" data updates

4 Gameplay

• autopatchhk.yuanshen.* Presumably xLua/HotFix patch server
• minor-api.m* / minor-api-os.h* "apm" reporting (Telemetry.dll)
  • Yet unused. Unknown trigger.

5 Crash reporter

Connection type: TCP/HTTP

POST request to /log:

• Host: overseauspider.yuanshen.* or uspider.yuanshen.*
• Data:

---

{
  "userName": "Test",    /* Constant */
  "time": "YYYY-MM-DD hh:mm:ss.0000",
  "frame": "",           /* Unclear, perhaps game frame count */
  "stackTrace": "Log::Logger() ....", /* Partially readable backtrace */
  "logStr": "[Login] OnPlayerLoginRsp: 31", /* Error 31-4302 or .. */
  "logStr": "[Login] OnGetPlayerTokenRsp: 21", /* Error 21-4301 aka BANNED */
  "logType": "Error",
  "deviceName": "NX",    /* Unclear */
  "deviceModel": "Wine (The Wine Project)",
  "operatingSystem": "Windows 10  (10.0...",
   /* ^ Data from HKLM\Software\Wow6432Node\Microsoft\Windows NT\CurrentVersion  */
  "version": "1.0_rel OSRELWin1.0.1_...", /* Game version (bottom left) */
  "exceptionSerialNum": "0",
  "pos": "",             /* Unclear, perhaps position on the map */
  "guid": "sha256 hash",
  /* ^ Data from HKEY_CURRENT_USER\Software\miHoYoSDK\ MIHOYOSDK_DEVICE_ID */
  "errorCode": "Default",
  "errorCodeToPlatform": 4302, /* Error 31-4302 or .. */
  "errorCodeToPlatform": 4301, /* Error 21-4301 aka BANNED */
  "serverName": "os_euro"  /* European server */
}

---

Answer, status 200 OK:

{
  "code": 0
}