Script to brute force a file treated with Steghide software

steghidebf.sh

#!/bin/bash
# Usage: steghidebf.sh stegofile wordlist

stegofile=$1;
dict=$2;

printf "Steghide Bruteforce (c) 2017 by Juan Escobar\n";
printf "stegofile: %s\n" "$stegofile";
printf "wordlist:  %s\n\n" "$dict";

for passphrase in $(cat $dict); do 
  response=$(steghide extract -sf $stegofile -p "$passphrase" 2>&1);
  if [[ ! $response == *"could not extract"* ]]; then
    printf "[+] Information obtained with passphrase: '%s'\n" "$passphrase";
    printf "%s\n\n" "$response";
    exit
  fi
done

printf "Game over :(\n\n";