# Elastic Codes

## **Windows**\*

### event.code

* 1 - Process creation
* 13 - Registry modification (**Description:** Triggered when a registry key value is set (modified))
* 15 - FileCreateStreamHash (browser file download event)
* 11 - File create
* 3 - Network connection

#### 🔹 **Authentication & Logon Events**

* **4624** – Successful logon
* **4625** – Failed logon attempt
* **4634** – Logoff
* **4648** – Logon using explicit credentials
* **4672** – Special privileges assigned to a new logon (e.g., admin logins)
* **4776** – NTLM authentication attempt

#### 🔹 **Account & Privilege Changes**

* **4720** – A user account was created
* **4722** – A user account was enabled
* **4725** – A user account was disabled
* **4726** – A user account was deleted
* **4732** – A user was added to a privileged group
* **4733** – A user was removed from a privileged group

#### 🔹 **Process & System Monitoring**

* **4688** – A new process was created
* **4689** – A process was terminated
* **4657** – A registry value was modified
* **4697** – A service was installed on the system

#### 🔹 **Security & Threat Detection**

* **1102** – Security audit log cleared (potential sign of tampering)
* **4621** – Administrator recovered from a crash
* **4728** – A user was added to the Administrators group
* **4768** – A Kerberos authentication ticket was requested
* **4769** – A Kerberos service ticket was requested
* 4104 - Remote PowerShell script execution

#### 🔹 **File & Object Access**

* **4663** – Access to an object was requested (file/folder access)
* **4656** – A handle to an object was requested

### process

* process.command\_line: -
* process.parent.name: - app that runs the process
* process.parent.command\_line - command executed when started

***

## Zeek\*

* source.ip - ip adress
* dns.question.name - queried domain


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://digitalgarden.batamladen.com/notes/certificates/cdsa/module-4-threat-hunting/elastic-codes.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
