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Bash Injection Without Alphabets | picoCTF 2024 Writeup | SansAlpha
March 28, 2024, 5:04 p.m. | Ankeet Saha
System Weakness - Medium systemweakness.com
Today, I will do a walkthrough of a challenge from picoCTF2024 named SansAlpha.
As mentioned in the challenge description, we are provided a shell which does not accept any alphabets.
So what do we do now? So I did a bit of research and found out that bash expands the regex as they are typed. Okay what do I mean by this? For example, say you type * in your shell. It will be treated as all possible files/directories in …
accept bash challenge ctf ctf-writeup cybersecurity found hacking injection picoctf regex research shell today walkthrough writeup
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