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Network Analysis & Monitoring

Network Analysis: Listening to Data Packets

  • Wireshark
  • PCAP
  • TCP/UDP
  • Network Security
My approach
“Most developers only look at what their code prints to the screen. I look at exactly what packets, with what encryption, it shoots out of the network card. An application's UI can lie, but its TCP/UDP traffic dumps (PCAP) do not. Tools like Wireshark and Npcap give me the power to monitor and manipulate the system's nervous system across the network.”

The True Face of the Network

  • Encryption is a Wall

    Packets encrypted with TLS/SSL look like pure noise from the outside. You must crack the encryption keys using Man-in-the-Middle (MitM) techniques (SSL Stripping).

  • Proprietary Protocols

    Not every app talks over HTTP. You have to read and decode closed TCP/UDP binary protocols written by companies, byte by byte.

  • Noise Pollution

    A network generates thousands of packets per second. Finding that single handshake packet you care about requires writing highly specific filters.

Diagnostics and Auditing

  1. 01

    Hidden API Discovery

    Detecting the secret endpoints mobile apps or desktop software use in the background.

  2. 02

    Performance Bottleneck Diagnosis

    Analyzing packet loss or faulty TCP handshakes causing latency between the server and the client.

  3. 03

    Security Auditing

    Investigating and blocking malicious outgoing connections (beaconing) or incoming attacks at the network traffic level.

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