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💻 Binary

Quick reference​

caution

This is very approximative!

Be aware:

  • Sometimes, you could need more than one technique.
  • There are a lot of other constraints to consider, look also in each specific section and in mitigations.

Build a binary for a challenge​

No ASLR (globally!)

bash -c 'echo 0 > /proc/sys/kernel/randomize_va_space'

No stack protection, no executable stack, and no pie.

gcc -fno-stack-protector -no-pie -z execstack main.c