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Playing a CTF, I am trying to gain access to level 3 (you have to gain access sequentially from level 1 to level 2 and so on…), and in the level 2 directory there’s this source code 2.c and along with it an executable called "2"… Continue reading Vulnerability in the source code, but can’t elevate do Privilege Escalation
I would like to ask a question about building the antivirus and particularly your general approach to such task.
My personal goal is to understand how the malware(particularly backdoor) works and then create an antivirus against it. Though… Continue reading How to build your own Antivirus program? [closed]
We are working on the task to exploit PintOS system in which we had to create stack, implement system calls to run through the stack and now we have been given the task to exploit the system calls using shellshock (or whatever we want), to… Continue reading Exploiting system calls to gain root access (C) [closed]
I’m learning for the university and have to do a Mifare Classic replay attack.
I don’t really know how to do that and hope some of you can help me at least a bit.
The goal is to get the number of iterations after the start of the random nu… Continue reading How to do a Mifare Classic Replay attack [migrated]
Is there any c++ code or python code for Windows, where if folder password is wrong it encrypts everything? For example bitclocker function when it locks the D drive file and needs password?
If that password will we wrong make virused all … Continue reading Code which will encrypt everything after wrong password [closed]
Tried to call sekurlsa::logonpasswords function from mimikatz main source, but I get ERROR hl_aaaurlsa_acquireLSA ; Logon list
The program is executed with Administrator cred and I’m sure there’s no problem with the environment because the… Continue reading ERROR kuhl_sekurlsa_acquireLSA from customized mimikatz
Generally, when trying to implement some protocol, you are constrained by your hardware and time. But for someone like [EMMIR], that’s not enough. For example, NTSC-CRT is a video signal …read more Continue reading Encoding NTSC With Your Hands Tied
I am supposed to find the vulnerability in the code (as a part of a ctf) and I feel it’s hidden either in the __attribute__((constructor)) or the pointer.
Here I can make out that it’s a void pointer but I have never encountered a pointer … Continue reading Void pointer and their attribute constructor
If I am shipping a program to my customers which is compiled with GCC, but I want to test the security of the program using Clang, is this generally okay, or will I miss certain security bugs because I am not testing the exact same output/… Continue reading Is switching my C/C++ compiler for security testing generally reliable?