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Author: Sangsoo Jeong (c0nstant) Date: 15 Dec 2022 Architecture: Linux Environment: SSH, HTTP Trial or Error [1] Hard to understand the logic [-> First of all, I misunderstood the logic was related to directory traversal] [-> When I get a PDF file, I tried to compare which sections were different from a sample PDF on the internet] [2] A typo about the reverse shell grammar [-> I spent time at le..

Author: Sangsoo Jeong (c0nstant) Date: 15 Dec 2022 Architecture: Linux Environment: SSH, HTTP(with RUBY) User: ruby, henry, root Trial or Error [1] Hard to understand the logic [-> First of all, I misunderstood the logic was related to directory traversal] [-> When I get a PDF file, I tried to compare which sections were different from a sample PDF on the internet] [2] A typo about the reverse s..

Hello guys. I am a researcher related to cybersecurity. Many people realize the weight of the word ransomware. I will explain how people recover a file if they are infected by ransomware. No worries. This posting concept no has any source code behavior. I will describe it as if it were a real-time recovery. The purpose of this article is to let you know that even people who are not used to compu..

I wrote two versions Eng and Kor. I solved this challenge with two methodologies. Now, I wrote an English version (Methodology #1). The methodology #2 drafts are not started yet. Coming soon. English Version: https://sangsoo-lab.notion.site/Eng-ver-CodeEngn-Mobile-App-L01-First-Methodology-ab096b2bd05c4f79b16ac5a2e21233bd Eng ver. [CodeEngn] Mobile App L01 First Methodology This posting is revea..

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