```# strings file | headfile.arj# mv file file.arj# arj e file.arjBad header# xxd file.arj0000000: 5422 2c00 // Original ARJ is 60EA# hexdump -ve '1/1 "%.2X"' file.arj | sed "s/5422/60EA/g" | xxd -r -p > file-patched.arjflag.png foundBugs_Bunny{r3m3mb3r_4ll_w4ys_t0_ch3ck_h34d3r_f1l3}```