mitmproxy.exe

mitmproxy Windows Executable

CPU Usage
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Memory
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Location
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Publisher
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Notes
This section provides quick triage guidance for incident response and system administrators managing Windows devices with potential MITM proxy activity.
Recommended Actions
If you suspect mitmproxy-exe is present on a system without authorization, stop the process, verify its origin from mitmproxy.org, review proxy settings, check for installed CA certificates, and document IT-enabled usage or remove it if not needed.

What is mitmproxy.exe?

Mitmproxy-exe is the Windows distribution binary of mitmproxy, a TLS-capable HTTP/HTTPS proxy used by developers and security researchers to inspect, modify, and replay traffic. It typically runs as a local proxy (127.0.0.1:8080 by default) and records requests, responses, and timings for analysis. Its Windows executable enables easy deployment in desktop environments and test labs.

The mitmproxy core is Python-based and embedded in mitmproxy.exe for Windows. It hooks into traffic by acting as a proxy, decrypting TLS with a generated CA cert, and exposing a scripting interface and web API for control and automation. It supports in-place modification and replay of traffic.

Is mitmproxy-exe Safe?

Yes. Mitmproxy-exe is safe when obtained from official channels (mitmproxy.org or the official GitHub releases) and used in authorized environments. It is a legitimate debugging tool designed for developers and security researchers to observe, modify, and validate network traffic. Like all proxy software, it should be run with proper access controls and within a controlled test scope to prevent unintended data exposure.

Is mitmproxy-exe a Virus?

Mitmproxy-exe is not a virus when downloaded from official sources and used as intended. It functions as a local proxy that can intercept TLS traffic, which may resemble malware behavior to some antivirus engines if misused or found in unexpected locations. Always verify provenance, signatures, and hashes, and run it in a contained environment to reduce risk.

How to Verify Legitimacy

  1. Check File Location: Ensure the file resides in an expected directory, e.g., C:\Program Files\mitmproxy\mitmproxy.exe, not in user temp folders or downloaded archives.
  2. Verify Digital Signature: Open file properties and confirm a valid signature from MITMProxy Authors or the official publisher. The signature should chain to a trusted certificate authority.
  3. Check File Hash: Compute SHA-256 of mitmproxy.exe (e.g., Get-FileHash in PowerShell) and compare with the official hash posted on mitmproxy.org release notes.
  4. Scan for Malware: Run a full scan with Windows Defender or your enterprise antivirus to ensure no tampering or bundling with other malware.

Red Flags: Red flags include an unsigned or spoofed signature, a mismatch between the executable path and the expected mitmproxy installation, unexpected network-wide proxies configured by the software, or a file that appears in an unusual directory without clear provenance.

Why is it Running?

Reasons it's running:

Can I Disable or Remove It?

Common Problems

Common Causes & Solutions

Frequently Asked Questions

What is mitmproxy-exe and what does it do on Windows?

Mitmproxy-exe is the Windows binary of mitmproxy, a programmable proxy that can intercept, inspect, and modify HTTP and HTTPS traffic. It is used for debugging, testing, and security research by routing traffic through a local proxy.

Is mitmproxy-exe safe to run on Windows 10/11?

Yes, when downloaded from official sources and used in authorized environments. It is a legitimate tool that intercepts traffic, so ensure you have permission to monitor traffic and follow security best practices.

How do I install mitmproxy-exe on Windows?

Download the official Windows release from mitmproxy.org or the GitHub releases page, extract, and run mitmproxy.exe. Follow the release notes for prerequisites and CA certificate installation if you plan TLS interception.

Can mitmproxy-exe intercept HTTPS traffic without errors?

Yes, with proper TLS interception setup. Install the mitmproxy CA certificate into the trusted store on clients, configure apps to use the local proxy, and ensure the mitmproxy version supports the TLS versions in use.

How do I remove mitmproxy-exe from Windows completely?

Stop any mitmproxy processes, uninstall any mitmproxy services, remove the mitmproxy directory, delete startup tasks if present, and reset proxy settings in the OS and browsers to remove traces.

What are common troubleshooting steps for mitmproxy-exe?

Check proxy configuration, verify the MITM CA certificate, review mitmproxy logs for errors, ensure the port is not in use, and confirm that the software source is official to avoid tampered binaries.

Related Processes