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BOAST

BOAST is the BOAST Outpost for AppSec Testing: a server designed to receive and report Out-of-Band Application Security Testing (OAST) reactions.

            ┌─────────────────────────┐ 
            |          BOAST          ◄──┐
          ┌─┤ (DNS, HTTP, HTTPS, ...) |  |     
          │ └─────────────────────────┘  │     
          │                              │     
Reactions │                              │ Reactions
          │                              │     
          │                              │     
          │                              │     
   ┌──────▼──────────┐   Payloads   ┌────┴────┐
   │ Testing client  ├──────────────► Target  │
   └─────────────────┘              └─────────┘

Some application security tests will only trigger out-of-band reactions from the tested applications. These reactions will not be sent as a response to the testing client and, due to their nature, will remain unseen when the client is behind a NAT. To clearly observe these reactions, another component is needed. This component must be freely reachable on the Internet and capable of communicating using various protocols across multiple ports for maximum impact. BOAST is that component.

BOAST features DNS, HTTP, and HTTPS protocol receivers, each supporting multiple simultaneous ports. Implementing protocol receivers for new protocols or customising existing ones to better suit your needs is almost as simple as implementing the protocol interaction itself.

Used By

BOAST is used by projects such as:

• Zed Attack Proxy (ZAP)

Documentation

https://github.com/ciphermarco/boast/tree/master/docs