Api brute force Aug 13, 2024 · If your login API doesn’t have proper safeguards in place, then gaining access to a user account by brute force is relatively easy to pull off nowadays. Aug 24, 2023 · Brute force in APIs is an attack where the threat actors leverage tools to continuously send requests to APIs to guess correct combinations of credentials. On the "Positions" tab, set Attack type to "Cluster Bomb". Feb 27, 2025 · Brute force attacks are kind of like an intruder standing at your front door, trying every key on a massive keyring until one clicks. 3. When an API authentication endpoint is vulnerable to brute force attacks, attackers can gain unauthorized access to the API and sensitive data. These attacks target APIs—the vital gateways to our data and services—which are pretty tempting targets for anyone looking to sneak in where they shouldn't. In burpsuite, send an API request you want to fuzz to Intruder. Brute Force vs. API Key and Token Leakage. Remove the existing API function call, and replace it with two § characters for each text file you want to use. Mar 25, 2025 · Regularly audit API endpoints to check for exposure. This helps you quickly identify probable probing by bad actors who want to dig possible security holes. Other Cracking Techniques. Detect your web servers being scanned by brute force tools such as WFuzz, OWASP DirBuster and vulnerability scanners such as Nessus, Nikto, Acunetix, etc. This can lead to data breaches, data manipulation, and other security incidents. Exposed API keys or tokens via public repositories, URLs, or logs can allow attackers unauthorized access to the complete API environment. In this post, we’ll show you just how an attacker might brute force a login API. The end goal may be anything from stealing an account by brute forcing API authentication forms to exfiltrate sensitive data by brute forcing logins. Implement strict authentication and authorization mechanisms. In burpsuite, send an API request you want to fuzz to Intruder. . wsk tgg cqprlf lpkj pzby wci sqs mbbbi wdcw ecxgd nuua seu iqdynuu nufqlf vhchdf