Information category: pwn Description Perform ROP against a network forkserver! Write-up Connecting to the Challenge When you connect to the server at 127.0.0.1 on port 1337 using nc, yo...

Information category: pwn Description Perform ROP when the function has a canary! Write-up PIE and Stack Canary — How Do We Bypass Them? This binary has two common protections enabled: ...

Information category: pwn Description Perform a partial overwrite to call the win function. Write-up So after running the challenge, we get a leak of the input buffer’s address. We’ll use...

Information category: pwn Description Defeat a stack canary in a PIE binary by utilizing a network-style fork server in the target binary. Write-up Like level15.0, this challenge follo...

Information category: pwn Description Defeat a stack canary in a PIE binary by utilizing a network-style fork server in the target binary. Write-up This code was reversed using IDA: int _...

Information Category: Pwn Points: – Description None Write-up First, let’s run the program and see what it does: As you can see, nothing happens when we run the program. So let’s do ...

Information Category: Pwn Points: Description None Write-up To run the program, we need qemu-arm: qemu-arm canary Welcome to hxp's Echo Service! > 21321312 21321312 > AAAAAAAAAAAA...

Information Category: Pwn Points: 43 Description Mary surprises Sherlock with her knowledge and insight into his character, but she had a very obvious vulnerability which Sherlock exploit...