I'm new to assembly and need some help understanding what this program does. This program takes a username and serial. If the combination is correct, it prints the magic words. I need to write a keygen for this program. Any help would be appreciated. Thanks
0x08049530 <+0>: lea 0x4(%esp),%ecx
0x08049534 <+4>: and $0xfffffff0,%esp
0x08049537 <+7>: push -0x4(%ecx)
0x0804953a <+10>: push %ebp
0x0804953b <+11>: mov %esp,%ebp
0x0804953d <+13>: push %ebx
0x0804953e <+14>: push %ecx
0x0804953f <+15>: sub $0x40,%esp
0x08049542 <+18>: call 0x8049160 <__x86.get_pc_thunk.bx>
0x08049547 <+23>: add $0x2ab9,%ebx
0x0804954d <+29>: mov %ecx,%eax
0x0804954f <+31>: mov 0x4(%eax),%edx
0x08049552 <+34>: mov %edx,-0x3c(%ebp)
0x08049555 <+37>: mov %gs:0x14,%edx
0x0804955c <+44>: mov %edx,-0xc(%ebp)
0x0804955f <+47>: xor %edx,%edx
0x08049561 <+49>: movl $0x65757153,-0x20(%ebp)
0x08049568 <+56>: movl $0x73696d61,-0x1c(%ebp)
0x0804956f <+63>: movl $0x734f2068,-0x18(%ebp)
0x08049576 <+70>: movl $0x72666973,-0x14(%ebp)
0x0804957d <+77>: movl $0x656761,-0x10(%ebp)
0x08049584 <+84>: cmpl $0x3,(%eax)
0x08049587 <+87>: je 0x80495b4 <main+132>
0x08049589 <+89>: mov -0x3c(%ebp),%eax
0x0804958c <+92>: mov (%eax),%edx
0x0804958e <+94>: mov -0x10(%ebx),%eax
0x08049594 <+100>: mov (%eax),%eax
0x08049596 <+102>: sub $0x4,%esp
0x08049599 <+105>: push %edx
0x0804959a <+106>: lea -0x1fe2(%ebx),%edx
0x080495a0 <+112>: push %edx
0x080495a1 <+113>: push %eax
0x080495a2 <+114>: call 0x80490b0 <fprintf@plt>
0x080495a7 <+119>: add $0x10,%esp
0x080495aa <+122>: mov $0xffffffff,%eax
0x080495af <+127> : jmp 0x80496d0 <main+416>
0x080495b4 <+132>: sub $0x4,%esp
0x080495b7 <+135>: push $0xb
0x080495b9 <+137>: push $0x0
0x080495bb <+139>: lea -0x36(%ebp),%eax
0x080495be <+142>: push %eax
0x080495bf <+143>: call 0x80490c0 <memset@plt>
0x080495c4 <+148>: add $0x10,%esp
0x080495c7 <+151>: mov -0x3c(%ebp),%eax
0x080495ca <+154>: add $0x4,%eax
0x080495cd <+157>: mov (%eax),%eax
0x080495cf <+159>: sub $0x4,%esp
0x080495d2 <+162>: push $0xa
0x080495d4 <+164>: push %eax
0x080495d5 <+165>: lea -0x36(%ebp),%eax
0x080495d8 <+168>: push %eax
0x080495d9 <+169>: call 0x80490d0 <strncpy@plt>
0x080495de <+174>: add $0x10,%esp
0x080495e1 <+177>: sub $0x4,%esp
0x080495e4 <+180>: push $0xb
0x080495e6 <+182>: push $0x0
0x080495e8 <+184>: lea -0x2b(%ebp),%eax
0x080495eb <+187>: push %eax
0x080495ec <+188>: call 0x80490c0 <memset@plt>
0x080495f1 <+193>: add $0x10,%esp
0x080495f4 <+196>: mov -0x3c(%ebp),%eax
0x080495f7 <+199>: add $0x8,%eax
0x080495fa <+202>: mov (%eax),%eax
0x080495fc <+204>: sub $0x4,%esp
0x080495ff <+207>: push $0xa
0x08049601 <+209>: push %eax
0x08049602 <+210>: lea -0x2b(%ebp),%eax
0x08049605 <+213>: push %eax
0x08049606 <+214>: call 0x80490d0 <strncpy@plt>
0x0804960b <+219>: add $0x10,%esp
0x0804960e <+222>: lea -0x36(%ebp),%eax
0x08049611 <+225>: movzbl (%eax),%eax
0x08049614 <+228>: test %al,%al
0x08049616 <+230>: jne 0x804963e <main+270>
0x08049618 <+232>: mov -0x10(%ebx),%eax
0x0804961e <+238>: mov (%eax),%eax
0x08049620 <+240>: push %eax
0x08049621 <+241>: push $0x10
0x08049623 <+243>: push $0x1
0x08049625 <+245>: lea -0x1fc7(%ebx),%eax
0x0804962b <+251>: push %eax
0x0804962c <+252>: call 0x8049070 <fwrite@plt>
0x08049631 <+257>: add $0x10,%esp
0x08049634 <+260>: mov $0xffffffff,%eax
0x08049639 <+265>: jmp 0x80496d0 <main+416>
0x0804963e <+270>: call 0x8049226 <frame_dummy+6>
0x08049643 <+275>: test %eax,%eax
0x08049645 <+277>: je 0x804966a <main+314>
0x08049647 <+279>: mov -0x10(%ebx),%eax
0x0804964d <+285>: mov (%eax),%eax
0x0804964f <+287>: push %eax
0x08049650 <+288>: push $0x8
0x08049652 <+290>: push $0x1
0x08049654 <+292>: lea -0x1fb6(%ebx),%eax
0x0804965a <+298>: push %eax
0x0804965b <+299>: call 0x8049070 <fwrite@plt>
0x08049660 <+304>: add $0x10,%esp
0x08049663 <+307>: mov $0xffffffff,%eax
0x08049668 <+312>: jmp 0x80496d0 <main+416>
0x0804966a <+314>: sub $0x8,%esp
0x0804966d <+317>: lea -0x2b(%ebp),%eax
0x08049670 <+320>: push %eax
0x08049671 <+321>: lea -0x36(%ebp),%eax
0x08049674 <+324>: push %eax
0x08049675 <+325>: call 0x80493f5 <frame_dummy+469>
0x0804967a <+330>: add $0x10,%esp
0x0804967d <+333>: test %eax,%eax
0x0804967f <+335>: jne 0x80496a4 <main+372>
0x08049681 <+337>: mov -0x10(%ebx),%eax
0x08049687 <+343>: mov (%eax),%eax
0x08049689 <+345>: push %eax
0x0804968a <+346>: push $0x16
0x0804968c <+348>: push $0x1
0x0804968e <+350>: lea -0x1fad(%ebx),%eax
0x08049694 <+356>: push %eax
0x08049695 <+357>: call 0x8049070 <fwrite@plt>
0x0804969a <+362>: add $0x10,%esp
0x0804969d <+365>: mov $0xffffffff,%eax
0x080496a2 <+370>: jmp 0x80496d0 <main+416>
0x080496a4 <+372>: mov 0xa8(%ebx),%eax
0x080496aa <+378>: call *%eax
0x080496ac <+380>: mov -0x8(%ebx),%eax
0x080496b2 <+386>: mov (%eax),%eax
0x080496b4 <+388>: sub $0x4,%esp
0x080496b7 <+391>: lea -0x20(%ebp),%edx
0x080496ba <+394>: push %edx
0x080496bb <+395>: lea -0x1f96(%ebx),%edx
0x080496c1 <+401>: push %edx
0x080496c2 <+402>: push %eax
0x080496c3 <+403>: call 0x80490b0 <fprintf@plt>
0x080496c8 <+408>: add $0x10,%esp
0x080496cb <+411>: mov $0x0,%eax
0x080496d0 <+416>: mov -0xc(%ebp),%edx
0x080496d3 <+419>: sub %gs:0x14,%edx
0x080496da <+426>: je 0x80496e1 <main+433>
0x080496dc <+428>: call 0x8049770 <__stack_chk_fail_local>
0x080496e1 <+433>: lea -0x8(%ebp),%esp
0x080496e4 <+436>: pop %ecx
0x080496e5 <+437>: pop %ebx
0x080496e6 <+438>: pop %ebp
0x080496e7 <+439>: lea -0x4(%ecx),%esp
0x080496ea <+442>: ret
