Programmer Group

Explain and summarize the protection mechanism encountered in the pwn process. Stack Canaries Put a well written: PWN Canary learning - sarace - blog Park (cnblogs.com) brief introduction stack canaries are canaries from underground coal mines. They can detect gas leakage faster than miners and have the function of early warning. When this con ...

Open the topic and review it Nana told me that buffer overflow is one of the most common software vulnerability. Is that true? Download : http://pwnable.kr/bin/bof Download : http://pwnable.kr/bin/bof.c Running at : nc pwnable.kr 9000 Nana told me that buffer overflow is one of the most common software vulnerabilities. Int ...

littleof ret2libc is given for nothing. The first output divulges canary, and the second output divulges the base address of libc. By the way, control the return address, and then return to input, and then get shell (stall) #!/usr/bin/env python #coding=utf-8 from pwn import* sh = remote("182.116.62.85", 27056) #sh = process('./littleof') el ...

Tips for writing exp 1. Code alignment When filling in the address in exp, pay attention to the filling of code length 2. Fill to specified length 3. Link the remote server or link the local file # long-range r = remote('objective IP Or target URL',Destination port number) # local r = process('./file name') 4. Format conversion The ...