Autor
Código:
08048424 <_init>:
8048424: 53 push %ebx
8048425: 83 ec 08 sub $0x8,%esp
8048428: e8 13 01 00 00 call 8048540 <__x86.get_pc_thunk.bx>
804842d: 81 c3 d3 1b 00 00 add $0x1bd3,%ebx
8048433: 8b 83 fc ff ff ff mov -0x4(%ebx),%eax
8048439: 85 c0 test %eax,%eax
804843b: 74 05 je 8048442 <_init+0x1e>
804843d: e8 6e 00 00 00 call 80484b0 <__gmon_start__@plt>
8048442: 83 c4 08 add $0x8,%esp
8048445: 5b pop %ebx
8048446: c3 ret
Desensamblado de la sección .plt:
08048450 <read@plt-0x10>:
8048450: ff 35 04 a0 04 08 pushl 0x804a004
8048456: ff 25 08 a0 04 08 jmp *0x804a008
804845c: 00 00 add %al,(%eax)
...
08048460 <read@plt>:
8048460: ff 25 0c a0 04 08 jmp *0x804a00c
8048466: 68 00 00 00 00 push $0x0
804846b: e9 e0 ff ff ff jmp 8048450 <_init+0x2c>
08048470 <printf@plt>:
8048470: ff 25 10 a0 04 08 jmp *0x804a010
8048476: 68 08 00 00 00 push $0x8
804847b: e9 d0 ff ff ff jmp 8048450 <_init+0x2c>
08048480 <inet_pton@plt>:
8048480: ff 25 14 a0 04 08 jmp *0x804a014
8048486: 68 10 00 00 00 push $0x10
804848b: e9 c0 ff ff ff jmp 8048450 <_init+0x2c>
08048490 <htons@plt>:
8048490: ff 25 18 a0 04 08 jmp *0x804a018
8048496: 68 18 00 00 00 push $0x18
804849b: e9 b0 ff ff ff jmp 8048450 <_init+0x2c>
080484a0 <puts@plt>:
80484a0: ff 25 1c a0 04 08 jmp *0x804a01c
80484a6: 68 20 00 00 00 push $0x20
80484ab: e9 a0 ff ff ff jmp 8048450 <_init+0x2c>
080484b0 <__gmon_start__@plt>:
80484b0: ff 25 20 a0 04 08 jmp *0x804a020
80484b6: 68 28 00 00 00 push $0x28
80484bb: e9 90 ff ff ff jmp 8048450 <_init+0x2c>
080484c0 <__libc_start_main@plt>:
80484c0: ff 25 24 a0 04 08 jmp *0x804a024
80484c6: 68 30 00 00 00 push $0x30
80484cb: e9 80 ff ff ff jmp 8048450 <_init+0x2c>
080484d0 <memset@plt>:
80484d0: ff 25 28 a0 04 08 jmp *0x804a028
80484d6: 68 38 00 00 00 push $0x38
80484db: e9 70 ff ff ff jmp 8048450 <_init+0x2c>
080484e0 <socket@plt>:
80484e0: ff 25 2c a0 04 08 jmp *0x804a02c
80484e6: 68 40 00 00 00 push $0x40
80484eb: e9 60 ff ff ff jmp 8048450 <_init+0x2c>
080484f0 <fputs@plt>:
80484f0: ff 25 30 a0 04 08 jmp *0x804a030
80484f6: 68 48 00 00 00 push $0x48
80484fb: e9 50 ff ff ff jmp 8048450 <_init+0x2c>
08048500 <connect@plt>:
8048500: ff 25 34 a0 04 08 jmp *0x804a034
8048506: 68 50 00 00 00 push $0x50
804850b: e9 40 ff ff ff jmp 8048450 <_init+0x2c>
Desensamblado de la sección .text:
08048510 <_start>:
8048510: 31 ed xor %ebp,%ebp
8048512: 5e pop %esi
8048513: 89 e1 mov %esp,%ecx
8048515: 83 e4 f0 and $0xfffffff0,%esp
8048518: 50 push %eax
8048519: 54 push %esp
804851a: 52 push %edx
804851b: 68 60 88 04 08 push $0x8048860
8048520: 68 f0 87 04 08 push $0x80487f0
8048525: 51 push %ecx
8048526: 56 push %esi
8048527: 68 10 86 04 08 push $0x8048610
804852c: e8 8f ff ff ff call 80484c0 <__libc_start_main@plt>
8048531: f4 hlt
8048532: 66 90 xchg %ax,%ax
8048534: 66 90 xchg %ax,%ax
8048536: 66 90 xchg %ax,%ax
8048538: 66 90 xchg %ax,%ax
804853a: 66 90 xchg %ax,%ax
804853c: 66 90 xchg %ax,%ax
804853e: 66 90 xchg %ax,%ax
08048540 <__x86.get_pc_thunk.bx>:
8048540: 8b 1c 24 mov (%esp),%ebx
8048543: c3 ret
8048544: 66 90 xchg %ax,%ax
8048546: 66 90 xchg %ax,%ax
8048548: 66 90 xchg %ax,%ax
804854a: 66 90 xchg %ax,%ax
804854c: 66 90 xchg %ax,%ax
804854e: 66 90 xchg %ax,%ax
08048550 <deregister_tm_clones>:
8048550: b8 43 a0 04 08 mov $0x804a043,%eax
8048555: 2d 40 a0 04 08 sub $0x804a040,%eax
804855a: 83 f8 06 cmp $0x6,%eax
804855d: 77 01 ja 8048560 <deregister_tm_clones+0x10>
804855f: c3 ret
8048560: b8 00 00 00 00 mov $0x0,%eax
8048565: 85 c0 test %eax,%eax
8048567: 74 f6 je 804855f <deregister_tm_clones+0xf>
8048569: 55 push %ebp
804856a: 89 e5 mov %esp,%ebp
804856c: 83 ec 18 sub $0x18,%esp
804856f: c7 04 24 40 a0 04 08 movl $0x804a040,(%esp)
8048576: ff d0 call *%eax
8048578: c9 leave
8048579: c3 ret
804857a: 8d b6 00 00 00 00 lea 0x0(%esi),%esi
08048580 <register_tm_clones>:
8048580: b8 40 a0 04 08 mov $0x804a040,%eax
8048585: 2d 40 a0 04 08 sub $0x804a040,%eax
804858a: c1 f8 02 sar $0x2,%eax
804858d: 89 c2 mov %eax,%edx
804858f: c1 ea 1f shr $0x1f,%edx
8048592: 01 d0 add %edx,%eax
8048594: d1 f8 sar %eax
8048596: 75 01 jne 8048599 <register_tm_clones+0x19>
8048598: c3 ret
8048599: ba 00 00 00 00 mov $0x0,%edx
804859e: 85 d2 test %edx,%edx
80485a0: 74 f6 je 8048598 <register_tm_clones+0x18>
80485a2: 55 push %ebp
80485a3: 89 e5 mov %esp,%ebp
80485a5: 83 ec 18 sub $0x18,%esp
80485a8: 89 44 24 04 mov %eax,0x4(%esp)
80485ac: c7 04 24 40 a0 04 08 movl $0x804a040,(%esp)
80485b3: ff d2 call *%edx
80485b5: c9 leave
80485b6: c3 ret
80485b7: 89 f6 mov %esi,%esi
80485b9: 8d bc 27 00 00 00 00 lea 0x0(%edi,%eiz,1),%edi
080485c0 <__do_global_dtors_aux>:
80485c0: 80 3d 44 a0 04 08 00 cmpb $0x0,0x804a044
80485c7: 75 13 jne 80485dc <__do_global_dtors_aux+0x1c>
80485c9: 55 push %ebp
80485ca: 89 e5 mov %esp,%ebp
80485cc: 83 ec 08 sub $0x8,%esp
80485cf: e8 7c ff ff ff call 8048550 <deregister_tm_clones>
80485d4: c6 05 44 a0 04 08 01 movb $0x1,0x804a044
80485db: c9 leave
80485dc: f3 c3 repz ret
80485de: 66 90 xchg %ax,%ax
080485e0 <frame_dummy>:
80485e0: a1 08 9f 04 08 mov 0x8049f08,%eax
80485e5: 85 c0 test %eax,%eax
80485e7: 74 1f je 8048608 <frame_dummy+0x28>
80485e9: b8 00 00 00 00 mov $0x0,%eax
80485ee: 85 c0 test %eax,%eax
80485f0: 74 16 je 8048608 <frame_dummy+0x28>
80485f2: 55 push %ebp
80485f3: 89 e5 mov %esp,%ebp
80485f5: 83 ec 18 sub $0x18,%esp
80485f8: c7 04 24 08 9f 04 08 movl $0x8049f08,(%esp)
80485ff: ff d0 call *%eax
8048601: c9 leave
8048602: e9 79 ff ff ff jmp 8048580 <register_tm_clones>
8048607: 90 nop
8048608: e9 73 ff ff ff jmp 8048580 <register_tm_clones>
804860d: 66 90 xchg %ax,%ax
804860f: 90 nop
08048610 <main>:
8048610: 55 push %ebp
8048611: 89 e5 mov %esp,%ebp
8048613: 83 e4 f0 and $0xfffffff0,%esp
8048616: 81 ec 30 04 00 00 sub $0x430,%esp
804861c: c7 84 24 2c 04 00 00 movl $0x0,0x42c(%esp)
8048623: 00 00 00 00
8048627: c7 84 24 28 04 00 00 movl $0x0,0x428(%esp)
804862e: 00 00 00 00
8048632: 83 7d 08 02 cmpl $0x2,0x8(%ebp)
8048636: 74 1f je 8048657 <main+0x47>
8048638: 8b 45 0c mov 0xc(%ebp),%eax
804863b: 8b 00 mov (%eax),%eax
804863d: 89 44 24 04 mov %eax,0x4(%esp)
8048641: c7 04 24 80 88 04 08 movl $0x8048880,(%esp)
8048648: e8 23 fe ff ff call 8048470 <printf@plt>
804864d: b8 01 00 00 00 mov $0x1,%eax
8048652: e9 8c 01 00 00 jmp 80487e3 <main+0x1d3>
8048657: c7 44 24 08 00 04 00 movl $0x400,0x8(%esp)
804865e: 00
804865f: c7 44 24 04 30 00 00 movl $0x30,0x4(%esp)
8048666: 00
8048667: 8d 44 24 28 lea 0x28(%esp),%eax
804866b: 89 04 24 mov %eax,(%esp)
804866e: e8 5d fe ff ff call 80484d0 <memset@plt>
8048673: c7 44 24 08 00 00 00 movl $0x0,0x8(%esp)
804867a: 00
804867b: c7 44 24 04 01 00 00 movl $0x1,0x4(%esp)
8048682: 00
8048683: c7 04 24 02 00 00 00 movl $0x2,(%esp)
804868a: e8 51 fe ff ff call 80484e0 <socket@plt>
804868f: 89 84 24 2c 04 00 00 mov %eax,0x42c(%esp)
8048696: 83 bc 24 2c 04 00 00 cmpl $0x0,0x42c(%esp)
804869d: 00
804869e: 79 16 jns 80486b6 <main+0xa6>
80486a0: c7 04 24 a0 88 04 08 movl $0x80488a0,(%esp)
80486a7: e8 f4 fd ff ff call 80484a0 <puts@plt>
80486ac: b8 01 00 00 00 mov $0x1,%eax
80486b1: e9 2d 01 00 00 jmp 80487e3 <main+0x1d3>
80486b6: c7 44 24 08 10 00 00 movl $0x10,0x8(%esp)
80486bd: 00
80486be: c7 44 24 04 30 00 00 movl $0x30,0x4(%esp)
80486c5: 00
80486c6: 8d 44 24 18 lea 0x18(%esp),%eax
80486ca: 89 04 24 mov %eax,(%esp)
80486cd: e8 fe fd ff ff call 80484d0 <memset@plt>
80486d2: 66 c7 44 24 18 02 00 movw $0x2,0x18(%esp)
80486d9: c7 04 24 88 13 00 00 movl $0x1388,(%esp)
80486e0: e8 ab fd ff ff call 8048490 <htons@plt>
80486e5: 66 89 44 24 1a mov %ax,0x1a(%esp)
80486ea: 8b 45 0c mov 0xc(%ebp),%eax
80486ed: 83 c0 04 add $0x4,%eax
80486f0: 8b 00 mov (%eax),%eax
80486f2: 8d 54 24 18 lea 0x18(%esp),%edx
80486f6: 83 c2 04 add $0x4,%edx
80486f9: 89 54 24 08 mov %edx,0x8(%esp)
80486fd: 89 44 24 04 mov %eax,0x4(%esp)
8048701: c7 04 24 02 00 00 00 movl $0x2,(%esp)
8048708: e8 73 fd ff ff call 8048480 <inet_pton@plt>
804870d: 85 c0 test %eax,%eax
804870f: 7f 16 jg 8048727 <main+0x117>
8048711: c7 04 24 c3 88 04 08 movl $0x80488c3,(%esp)
8048718: e8 83 fd ff ff call 80484a0 <puts@plt>
804871d: b8 01 00 00 00 mov $0x1,%eax
8048722: e9 bc 00 00 00 jmp 80487e3 <main+0x1d3>
8048727: c7 44 24 08 10 00 00 movl $0x10,0x8(%esp)
804872e: 00
804872f: 8d 44 24 18 lea 0x18(%esp),%eax
8048733: 89 44 24 04 mov %eax,0x4(%esp)
8048737: 8b 84 24 2c 04 00 00 mov 0x42c(%esp),%eax
804873e: 89 04 24 mov %eax,(%esp)
8048741: e8 ba fd ff ff call 8048500 <connect@plt>
8048746: 85 c0 test %eax,%eax
8048748: 79 16 jns 8048760 <main+0x150>
804874a: c7 04 24 dd 88 04 08 movl $0x80488dd,(%esp)
8048751: e8 4a fd ff ff call 80484a0 <puts@plt>
8048756: b8 01 00 00 00 mov $0x1,%eax
804875b: e9 83 00 00 00 jmp 80487e3 <main+0x1d3>
8048760: eb 36 jmp 8048798 <main+0x188>
8048762: 8d 54 24 28 lea 0x28(%esp),%edx
8048766: 8b 84 24 28 04 00 00 mov 0x428(%esp),%eax
804876d: 01 d0 add %edx,%eax
804876f: c6 00 00 movb $0x0,(%eax)
8048772: a1 40 a0 04 08 mov 0x804a040,%eax
8048777: 89 44 24 04 mov %eax,0x4(%esp)
804877b: 8d 44 24 28 lea 0x28(%esp),%eax
804877f: 89 04 24 mov %eax,(%esp)
8048782: e8 69 fd ff ff call 80484f0 <fputs@plt>
8048787: 83 f8 ff cmp $0xffffffff,%eax
804878a: 75 0c jne 8048798 <main+0x188>
804878c: c7 04 24 f7 88 04 08 movl $0x80488f7,(%esp)
8048793: e8 08 fd ff ff call 80484a0 <puts@plt>
8048798: c7 44 24 08 ff 03 00 movl $0x3ff,0x8(%esp)
804879f: 00
80487a0: 8d 44 24 28 lea 0x28(%esp),%eax
80487a4: 89 44 24 04 mov %eax,0x4(%esp)
80487a8: 8b 84 24 2c 04 00 00 mov 0x42c(%esp),%eax
80487af: 89 04 24 mov %eax,(%esp)
80487b2: e8 a9 fc ff ff call 8048460 <read@plt>
80487b7: 89 84 24 28 04 00 00 mov %eax,0x428(%esp)
80487be: 83 bc 24 28 04 00 00 cmpl $0x0,0x428(%esp)
80487c5: 00
80487c6: 7f 9a jg 8048762 <main+0x152>
80487c8: 83 bc 24 28 04 00 00 cmpl $0x0,0x428(%esp)
80487cf: 00
80487d0: 79 0c jns 80487de <main+0x1ce>
80487d2: c7 04 24 0d 89 04 08 movl $0x804890d,(%esp)
80487d9: e8 c2 fc ff ff call 80484a0 <puts@plt>
80487de: b8 00 00 00 00 mov $0x0,%eax
80487e3: c9 leave
80487e4: c3 ret
80487e5: 66 90 xchg %ax,%ax
80487e7: 66 90 xchg %ax,%ax
80487e9: 66 90 xchg %ax,%ax
80487eb: 66 90 xchg %ax,%ax
80487ed: 66 90 xchg %ax,%ax
80487ef: 90 nop
080487f0 <__libc_csu_init>:
80487f0: 55 push %ebp
80487f1: 57 push %edi
80487f2: 31 ff xor %edi,%edi
80487f4: 56 push %esi
80487f5: 53 push %ebx
80487f6: e8 45 fd ff ff call 8048540 <__x86.get_pc_thunk.bx>
80487fb: 81 c3 05 18 00 00 add $0x1805,%ebx
8048801: 83 ec 1c sub $0x1c,%esp
8048804: 8b 6c 24 30 mov 0x30(%esp),%ebp
8048808: 8d b3 04 ff ff ff lea -0xfc(%ebx),%esi
804880e: e8 11 fc ff ff call 8048424 <_init>
8048813: 8d 83 00 ff ff ff lea -0x100(%ebx),%eax
8048819: 29 c6 sub %eax,%esi
804881b: c1 fe 02 sar $0x2,%esi
804881e: 85 f6 test %esi,%esi
8048820: 74 27 je 8048849 <__libc_csu_init+0x59>
8048822: 8d b6 00 00 00 00 lea 0x0(%esi),%esi
8048828: 8b 44 24 38 mov 0x38(%esp),%eax
804882c: 89 2c 24 mov %ebp,(%esp)
804882f: 89 44 24 08 mov %eax,0x8(%esp)
8048833: 8b 44 24 34 mov 0x34(%esp),%eax
8048837: 89 44 24 04 mov %eax,0x4(%esp)
804883b: ff 94 bb 00 ff ff ff call *-0x100(%ebx,%edi,4)
8048842: 83 c7 01 add $0x1,%edi
8048845: 39 f7 cmp %esi,%edi
8048847: 75 df jne 8048828 <__libc_csu_init+0x38>
8048849: 83 c4 1c add $0x1c,%esp
804884c: 5b pop %ebx
804884d: 5e pop %esi
804884e: 5f pop %edi
804884f: 5d pop %ebp
8048850: c3 ret
8048851: eb 0d jmp 8048860 <__libc_csu_fini>
8048853: 90 nop
8048854: 90 nop
8048855: 90 nop
8048856: 90 nop
8048857: 90 nop
8048858: 90 nop
8048859: 90 nop
804885a: 90 nop
804885b: 90 nop
804885c: 90 nop
804885d: 90 nop
804885e: 90 nop
804885f: 90 nop
08048860 <__libc_csu_fini>:
8048860: f3 c3 repz ret
8048862: 66 90 xchg %ax,%ax
Desensamblado de la sección .fini:
08048864 <_fini>:
8048864: 53 push %ebx
8048865: 83 ec 08 sub $0x8,%esp
8048868: e8 d3 fc ff ff call 8048540 <__x86.get_pc_thunk.bx>
804886d: 81 c3 93 17 00 00 add $0x1793,%ebx
8048873: 83 c4 08 add $0x8,%esp
8048876: 5b pop %ebx
8048877: c3 ret
Como pueden ver el codigo es algo extenso pero esta como que dividido en partes y además contiene estos subtítulos
Desensamblado de la sección .plt
Desensamblado de la sección .text
Desensamblado de la sección .fini
Tambien hay que analizar estos para entender el programa??
En línea
