1-Introduction Are you ready to delve deeper into the world of ELF files? In my previous part, I discussed the critical role of the ELF header in locating different parts of the file. Today, I want to share with you some exciting information about the ELF Section Headers. These headers serve as descriptors for various […]
ELF’s Story Part2: ELF’s Structure: ELF Header
1-Introduction In the previous part of this story, we learned about compilation, linking, and how a linker works. In this part, I would like to discuss the ELF (Executable and Linkable Format) structure and the elements that make up an ELF file. An ELF file is not just a binary code that executes on a […]
CVE-2023-38831: WinRAR Bug Or Windows Feature? In-Depth Analysis of Winrar CVE-2023-38831 Vulnerability
winrar CVE-2023-38831 vulnerability: Hi again,In the recent week, we saw that a new vulnerability was published by Group-IB from Winrar.I decided to analyze it in detail and find out why this type of vulnerability which is very very simple, should occur in such essential software like Winrar.At first look, I thought that this vulnerability was […]
ELF’s Story Part1: How is an ELF create
1- Introduction Hello guys I’m back with a new series of blog posts.Last year I focused on Linux binaries. I read a lot about ELF files, How they compile, and how load in memory and run. So I decided to write my experiences in some blog posts and named it ELF’s story. But this is […]
Flareon-2020-Level2
2-garbage Assets: First Section: When we run the exe file, we see an error message from windows, that this file is invalid or something else.When we open file in a hex-editor, at the end of file we see that the Manifestxml which windows uses to run the program, is corrupted.The file is packed with UPX. […]
Flareon2020-Level1
1-Fidler Assets: First Part: This is very simple. When you run the fidler.exe file, it shows a password box. The password checker function is simple. copy the password_check() in a new file run it with Python and print the ‘key’ value: “ghost”. def password_check(input): altered_key = ‘hiptu’ key = ”.join([chr(ord(x) – 1) for x in […]
Binary Instrumentation-Part1
به نام خدا با سلام. تصمیم گرفتم که یک مجموعه ای تهیه کنم که بتونم مفاهیم Binary Instrumentation رو به زبان فارسی توضیح بدم و بتونم یه منبعی برای این بحث توی سایتهای فارسی زبان داشته باشم. البته خب من سعی کردم توی این مجموعه جوری بنویسیم که مفاهیم تغییری درش ایجاد نشه و مطلب […]