> For the complete documentation index, see [llms.txt](https://bc-security.gitbook.io/empire-wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bc-security.gitbook.io/empire-wiki/agents/python/extendedpackethandlerclass.md). # Extended Packet Handler Class `ExtendedPacketHandler` is a subclass of `PacketHandler`. While `PacketHandler` focuses on managing packet structure and encryption, `ExtendedPacketHandler` extends this functionality by introducing specific methods to interact with the command and control server using HTTP requests. It integrates communication profiles to make these interactions customizable. ## Attributes The attributes for `ExtendedPacketHandler` depend on the agent's communication profile, but can look similar to below for an HTTP listener. * **headers**: The HTTP headers to use in requests. Derived from the agent's communication profile. * **taskURIs**: The list of potential URI endpoints for tasking. Randomly sampled to vary the request patterns. * **server**: The base URL of the command and control server. ## Methods ### `post_message(uri, data)` Sends a POST request to the specified `uri` with the provided `data`, using the communication profile's headers. Returns the server's response. ### `send_results_for_child(received_data)` Forwards tasking results to the control server for SMB agents. It uses a random taskURI and sets a session cookie in the headers based on `received_data`. ### `send_get_tasking_for_child(received_data)` Forwards the get-tasking request to the control server for SMB agents, with data decoded from `received_data`. ### `send_staging_for_child(received_data, hop_name)` Forwards the staging request to the control server using a specific URI (`/login/process.php`) for SMB agents. Additionally, it sets the 'Hop-Name' in the headers. ### `send_message(packets=None)` If `packets` is not provided, it constructs a GET request to fetch tasking from the control server. If `packets` is provided, it constructs a POST request to send data to the server. It chooses a random taskURI for the request and manages error handling for server communication issues. ## Usage Example To use `ExtendedPacketHandler`, you need to instantiate it with the right parameters, including the agent instance, staging key, session ID, and the communication profile details (headers, taskURIs, server). ```python handler = ExtendedPacketHandler(agent_instance, "sample_staging_key", "sample_session_id", headers, server, taskURIs) response = handler.post_message("/some/endpoint", "some_data") ``` --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## 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, and the optional `goal` query parameter: ``` GET https://bc-security.gitbook.io/empire-wiki/agents/python/extendedpackethandlerclass.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal. 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.