IntroductionIn December 2025, Zscaler ThreatLabz identified a new command-and-control (C2) framework implant that we track as SnappyClient, which was delivered using HijackLoader. SnappyClient has an ...

GrepFunc provide a single function, grep, which imitates Unix's grep functionality, but operate on lists and variables instead of files. The function accept a single string, an iterable, or an opened ...

If you work with strings in your Python scripts and you're writing obscure logic to process them, then you need to look into regex in Python. It lets you describe patterns instead of writing ...

Let's solve some picoCTF reversing labs. We will learn a few things about file systems, binaries, reversing tools and techniques, and much more. Usually, I am not that good at solving reversing ...

A regular expression (shortened as regex or regexp; sometimes referred to as rational expression) is a sequence of characters that specifies a match pattern in text. Usually such patterns are used by ...

More than 400 malicious packages were recently uploaded to PyPI (Python Package Index), the official code repository for the Python programming language, in the latest indication that the targeting of ...

OK has been melting keycaps and tinkering with tech since the 8-bit era. He was originally interested more in tech's multimedia capabilities, and ended up studying Graphic Arts. However, he somehow ...

A faster interpreter, more intelligible errors, more powerful type hints, and a slew of other speedups and tweaks are now ready to try out. The Python programming language releases new versions yearly ...

Chris is an experienced math and technology teacher passionate about all things software and productivity. After over 10 years in the classroom, he made the move to providing online guides and has ...