Tool Release – Web3 Decoder Burp Suite Extension

Web3 Decoder is a Burp Suite Extension that allows to decode "web3" JSON-RPC calls that interact with smart contracts in a EVM blockchain. As it is said that a picture is worth a thousand words, the following two screenshots shows a Raw JSON-RPC call, and its decoded function call: Background When auditing a DApp (Decentralized … Continue reading Tool Release – Web3 Decoder Burp Suite Extension

Tool Release – JWT-Reauth

[Editor’s note: This post is a part of our blog series from our NCC Group summer interns! You can see more posts from consultants in our internship program here.] When testing APIs with short-lived authentication tokens, it can be frustrating to login every few minutes, taking up a consultant's time with an unnecessary cut+paste task … Continue reading Tool Release – JWT-Reauth

Tool Release – Collaborator++

When testing for out-of-band vulnerabilities, Collaborator has been an invaluable tool since its initial release in 2015. By acting as a HTTP, DNS and SMTP server, Collaborator allows researchers to identify complex out-of-band interactions between target applications and external services aiding in the discovery of vulnerabilities such as server-side request forgery (SSRF), XML external entity … Continue reading Tool Release – Collaborator++