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Virtually all modern bank cards are equipped with a special chip that stores data required to make payments. This article discusses fraud techniques used to compromise such cards and methods used by banks to protect cardholders against attackers.

Up until recently, just a few people (aside from specialists) were aware of the Log4j logging utility. However, a vulnerability found in this library attracted to it a great attention from researches nowadays. Let’s take a closer look at the origin and operation mechanism of this bug and examine the available exploits to it.

WinAFL is a fork of the renowned AFL fuzzer developed to fuzz closed-source programs on Windows systems. All aspects of WinAFL operation are described in the official documentation, but its practical use – from downloading to successful fuzzing and first crashes – is not that simple.

When you investigate an incident, it’s critical to establish the exact time of the attack and method used to compromise the system. This enables you to track the entire chain of operations performed by the malefactor. Today, I will show how to do this using the Timesketch tool.

Is the phrase “This script contains malicious content and has been blocked by your antivirus software” familiar to you? It’s generated by Antimalware Scan Interface (AMSI), a protection mechanism embedded in Windows 10 that blocks the execution of malicious scripts. But can AMSI be bypassed? Sure, and today I will show how to do this.

Being employed with BI.ZONE, I have to exploit Blind SQL injection vulnerabilities on a regular basis. In fact, I encounter Blind-based cases even more frequently than Union- or Error-based ones. But how to raise the efficiency of such attack? This article provides an overview of approaches used to exploit Blind SQL injection and techniques expediting the exploitation.

Once a quarter, PostgreSQL publishes minor releases containing vulnerabilities. Sometimes, such bugs make it possible to make an unprivileged user a local king superuser. To fix them, Postgres DBAs release patches simultaneously with the updates and sleep peacefully. However, many forks share a large codebase with PG and remain vulnerable! I reviewed the historical Postgres CVEs in search of interesting security holes and found plenty of exciting stuff there.