Function at 0x4f59d4
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffd0
push ebx
push esi
push edi
xor ecx, ecx
mov dword [ebp - 0x2c], ecx
mov dword [ebp - 0x30], ecx
mov dword [ebp - 0x28], ecx
mov dword [ebp - 0x24], ecx
mov dword [ebp - 0x20], ecx
mov dword [ebp - 0x1c], ecx
mov dword [ebp - 0x10], edx
mov dword [ebp - 4], eax
xor eax, eax
push ebp
push 0x4f64fc
push dword fs:[eax]
mov dword fs:[eax], esp
xor ebx, ebx
mov eax, dword [ebp - 0x10]
xor edx, edx
mov dword [eax], edx
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
mov edx, eax
sub edx, 2
movzx edx, word [edx]
cmp edx, 0x2e
jg 0x4f5a6e
je 0x4f5b3b
cmp edx, 0x28
jg 0x4f5a56
je 0x4f5f2d
sub edx, 1
jb 0x4f608f
sub edx, 0x23
je 0x4f5aef
jmp 0x4f62e0
sub edx, 0x29
je 0x4f608f
dec edx
sub edx, 2
jb 0x4f60a0
jmp 0x4f62e0
cmp edx, 0x5c
jg 0x4f5a90
je 0x4f60b1
sub edx, 0x3f
je 0x4f60a0
sub edx, 0x1c
je 0x4f5b85
jmp 0x4f62e0
sub edx, 0x5e
je 0x4f5aa3
sub edx, 0x1e
je 0x4f608f
jmp 0x4f62e0
mov eax, dword [ebp - 4]
test byte [eax + 0xf0], 0x10
je 0x4f5ac7
mov eax, dword [ebp - 4]
cmp dword [eax + 0x108], 0
jne 0x4f5adb
mov eax, dword [ebp - 4]
cmp byte [eax + 0x10c], 0
jne 0x4f5adb
mov dx, 1
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
jmp 0x4f64de
mov dx, 0x22
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
jmp 0x4f64de
mov eax, dword [ebp - 4]
test byte [eax + 0xf0], 0x10
je 0x4f5b13
mov eax, dword [ebp - 4]
cmp dword [eax + 0x108], 0
jne 0x4f5b27
mov eax, dword [ebp - 4]
cmp byte [eax + 0x10c], 0
jne 0x4f5b27
mov dx, 2
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
jmp 0x4f64de
mov dx, 0x23
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
jmp 0x4f64de
mov eax, dword [ebp - 4]
test byte [eax + 0xf0], 4
je 0x4f5b6b
mov dx, 3
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x10]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0x10]
mov dword [edx], eax
jmp 0x4f64de
mov dx, 0x24
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x10]
or dword [eax], 1
jmp 0x4f64de
cmp word [eax], 0x5e
jne 0x4f5bc1
mov eax, dword [ebp - 4]
test byte [eax + 0xf0], 1
je 0x4f5ba7
push ebp
mov ax, 0x16
call fcn.004f5778
pop ecx
mov dword [ebp - 8], eax
jmp 0x4f5bb5
push ebp
mov ax, 5
call fcn.004f5778
pop ecx
mov dword [ebp - 8], eax
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
jmp 0x4f5beb
mov eax, dword [ebp - 4]
test byte [eax + 0xf0], 1
je 0x4f5bdd
push ebp
mov ax, 0x15
call fcn.004f5778
pop ecx
mov dword [ebp - 8], eax
jmp 0x4f5beb
push ebp
mov ax, 4
call fcn.004f5778
pop ecx
mov dword [ebp - 8], eax
mov byte [ebp - 0x11], 0
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
movzx eax, word [eax]
cmp ax, 0x5d
jne 0x4f5ec3
push ebp
call fcn.004f57a4
pop ecx
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
jmp 0x4f5ec3
mov eax, dword [ebp - 4]
mov esi, dword [eax + 0xc0]
cmp word [esi], 0x2d
jne 0x4f5dff
mov eax, esi
add eax, 2
cmp word [eax], 0
je 0x4f5dff
add esi, 2
cmp word [esi], 0x5d
je 0x4f5dff
cmp byte [ebp - 0x11], 0
je 0x4f5dff
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
movzx edi, word [eax]
cmp di, 0x5c
jne 0x4f5ce4
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
add eax, 2
movzx eax, word [eax]
cmp ax, 0x100
jae 0x4f5cc9
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
add eax, 2
movzx eax, word [eax]
add eax, 0xffffffc0
cmp ax, 0x37
ja 0x4f5cb7
and eax, 0x7f
mov edx, 0x4f650c
mov ecx, edx
and ecx, 3
sub edx, ecx
add ecx, ecx
add ecx, ecx
add ecx, ecx
add eax, ecx
bt dword [edx], eax
jae 0x4f5cc9
push ebp
mov ax, 0x2d
call fcn.004f578c
pop ecx
jmp 0x4f5ec3
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
push ebp
mov eax, dword [ebp - 4]
add eax, 0xc0
call fcn.004f5868
pop ecx
mov edi, eax
mov eax, dword [ebp - 4]
test byte [eax + 0xf0], 2
je 0x4f5d20
cmp word [ebp - 0x14], 0x430
jne 0x4f5d20
cmp di, 0x44f
jne 0x4f5d20
push ebp
lea eax, [ebp - 0x1c]
mov edx, 0x5fdcc0
mov ecx, 0x22
call fcn.00407370
mov eax, dword [ebp - 0x1c]
call fcn.004f57c4
pop ecx
jmp 0x4f5df0
mov eax, dword [ebp - 4]
test byte [eax + 0xf0], 2
je 0x4f5d5c
cmp word [ebp - 0x14], 0x410
jne 0x4f5d5c
cmp di, 0x42f
jne 0x4f5d5c
push ebp
lea eax, [ebp - 0x20]
mov edx, 0x5fdd04
mov ecx, 0x22
call fcn.00407370
mov eax, dword [ebp - 0x20]
call fcn.004f57c4
pop ecx
jmp 0x4f5df0
mov eax, dword [ebp - 4]
test byte [eax + 0xf0], 2
je 0x4f5db1
cmp word [ebp - 0x14], 0x430
jne 0x4f5db1
cmp di, 0x42f
jne 0x4f5db1
push ebp
lea eax, [ebp - 0x24]
mov edx, 0x5fdcc0
mov ecx, 0x22
call fcn.00407370
mov eax, dword [ebp - 0x24]
call fcn.004f57c4
pop ecx
push ebp
lea eax, [ebp - 0x28]
mov edx, 0x5fdd04
mov ecx, 0x22
call fcn.00407370
mov eax, dword [ebp - 0x28]
call fcn.004f57c4
pop ecx
jmp 0x4f5df0
cmp di, word [ebp - 0x14]
jae 0x4f5dc8
mov edx, 0x6d
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4f64e1
inc word [ebp - 0x14]
push ebp
mov eax, edi
call fcn.004f578c
pop ecx
cmp di, word [ebp - 0x14]
jbe 0x4f5df0
push ebp
movzx eax, word [ebp - 0x14]
call fcn.004f578c
pop ecx
inc word [ebp - 0x14]
cmp di, word [ebp - 0x14]
ja 0x4f5ddb
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
jmp 0x4f5ec3
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
cmp word [eax], 0x5c
jne 0x4f5ea6
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
cmp word [eax], 0
jne 0x4f5e3c
mov edx, 0x6e
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4f64e1
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
movzx eax, word [eax]
sub ax, 0x64
je 0x4f5e5c
sub ax, 0xf
je 0x4f5e7c
sub ax, 4
je 0x4f5e6a
jmp 0x4f5e8e
push ebp
mov eax, 0x4f6520
call fcn.004f57c4
pop ecx
jmp 0x4f5eb9
push ebp
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xfc]
call fcn.004f57c4
pop ecx
jmp 0x4f5eb9
push ebp
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xf8]
call fcn.004f57c4
pop ecx
jmp 0x4f5eb9
push ebp
push ebp
mov eax, dword [ebp - 4]
add eax, 0xc0
call fcn.004f5868
pop ecx
call fcn.004f57a4
pop ecx
jmp 0x4f5eb9
push ebp
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
movzx eax, word [eax]
call fcn.004f57a4
pop ecx
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
cmp word [eax], 0
je 0x4f5ee5
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
cmp word [eax], 0x5d
jne 0x4f5c1b
push ebp
xor eax, eax
call fcn.004f578c
pop ecx
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
cmp word [eax], 0x5d
je 0x4f5f0e
mov edx, 0x71
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4f64e1
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
mov eax, dword [ebp - 0x10]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0x10]
mov dword [edx], eax
jmp 0x4f64de
cmp word [eax], 0x3f
jne 0x4f605f
add eax, 2
cmp word [eax], 0x23
jne 0x4f5fab
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 4
jmp 0x4f5f56
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
movzx eax, word [eax]
test ax, ax
je 0x4f5f6d
cmp ax, 0x29
jne 0x4f5f4c
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
cmp word [eax], 0x29
je 0x4f5f8d
mov edx, 0x7d
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4f64e1
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
mov dx, 0x13
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
jmp 0x4f64de
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
mov eax, dword [ebp - 4]
mov esi, dword [eax + 0xc0]
jmp 0x4f5fca
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
movzx eax, word [eax]
test ax, ax
je 0x4f5fe1
cmp ax, 0x29
jne 0x4f5fc0
mov eax, dword [ebp - 4]
mov edi, dword [eax + 0xc0]
cmp word [edi], 0x29
jne 0x4f6030
lea eax, [ebp - 0x2c]
push eax
lea eax, [ebp - 0x30]
mov edx, esi
call fcn.0040731c
mov eax, dword [ebp - 0x30]
mov ecx, edi
sub ecx, esi
sar ecx, 1
jns 0x4f600c
adc ecx, 0
mov edx, 1
call fcn.00407950
mov edx, dword [ebp - 0x2c]
mov eax, dword [ebp - 4]
lea ecx, [eax + 0xf0]
mov eax, dword [ebp - 4]
mov eax, dword [eax]
call fcn.004f44cc
test al, al
jne 0x4f6041
mov edx, 0x7f
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4f64e1
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
mov dx, 0x13
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
jmp 0x4f64de
lea ecx, [ebp - 0x18]
mov edx, 1
mov eax, dword [ebp - 4]
call fcn.004f4cd4
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0
jne 0x4f607f
xor ebx, ebx
jmp 0x4f64e1
mov eax, dword [ebp - 0x18]
and eax, 5
mov edx, dword [ebp - 0x10]
or dword [edx], eax
jmp 0x4f64de
mov edx, 0x72
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4f64e1
mov edx, 0x73
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4f64e1
cmp word [eax], 0
jne 0x4f60c8
mov edx, 0x74
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4f64e1
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
movzx eax, word [eax]
cmp eax, 0x57
jg 0x4f6113
je 0x4f6244
cmp eax, 0x42
jg 0x4f60fc
je 0x4f6154
add eax, 0xffffffcf
sub eax, 9
jb 0x4f6265
sub eax, 7
je 0x4f6168
jmp 0x4f62bb
sub eax, 0x44
je 0x4f61b4
sub eax, 0xf
je 0x4f61fc
jmp 0x4f62bb
cmp eax, 0x64
jg 0x4f6129
je 0x4f6190
sub eax, 0x5a
je 0x4f617c
sub eax, 8
je 0x4f6140
jmp 0x4f62bb
sub eax, 0x73
je 0x4f61d8
sub eax, 4
je 0x4f6220
jmp 0x4f62bb
mov dx, 0x25
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
jmp 0x4f62d1
mov dx, 0x26
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
jmp 0x4f62d1
mov dx, 1
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
jmp 0x4f62d1
mov dx, 2
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
jmp 0x4f62d1
mov dx, 0xc
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x10]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0x10]
mov dword [edx], eax
jmp 0x4f62d1
mov dx, 0xd
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x10]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0x10]
mov dword [edx], eax
jmp 0x4f62d1
mov dx, 0x10
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x10]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0x10]
mov dword [edx], eax
jmp 0x4f62d1
mov dx, 0x11
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x10]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0x10]
mov dword [edx], eax
jmp 0x4f62d1
mov dx, 0xe
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x10]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0x10]
mov dword [edx], eax
jmp 0x4f62d1
mov dx, 0xf
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x10]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0x10]
mov dword [edx], eax
jmp 0x4f62d1
mov eax, dword [ebp - 4]
test byte [eax + 0xf0], 1
je 0x4f6282
mov dx, 0x1d
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
jmp 0x4f6291
mov dx, 0x1c
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
movzx edx, word [eax]
sub dx, 0x30
mov eax, dword [ebp - 4]
call fcn.004f4994
mov eax, dword [ebp - 0x10]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0x10]
mov dword [edx], eax
jmp 0x4f62d1
push ebp
push ebp
mov eax, dword [ebp - 4]
add eax, 0xc0
call fcn.004f5868
pop ecx
call fcn.004f56b0
pop ecx
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
jmp 0x4f64de
mov eax, dword [ebp - 4]
sub dword [eax + 0xc0], 2
mov eax, dword [ebp - 4]
test byte [eax + 0xf0], 0x20
je 0x4f63b6
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
movzx esi, word [eax]
cmp si, 0x23
je 0x4f6320
mov edx, esi
mov eax, 0x4f6538
call fcn.004f2d14
test eax, eax
je 0x4f63b6
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
cmp word [eax], 0x23
jne 0x4f6388
jmp 0x4f633b
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
movzx eax, word [eax]
test ax, ax
je 0x4f6364
cmp ax, 0xd
je 0x4f6364
cmp ax, 0xa
jne 0x4f6331
jmp 0x4f6364
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
movzx eax, word [eax]
cmp ax, 0xd
je 0x4f635a
cmp ax, 0xa
je 0x4f635a
jmp 0x4f63a2
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
movzx edx, word [eax]
mov eax, 0x4f6538
call fcn.004f2d14
test eax, eax
jne 0x4f637e
mov dx, 0x13
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
jmp 0x4f64de
mov edx, 0x5fdca4
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
call fcn.004f4a34
mov esi, eax
test esi, esi
jg 0x4f6401
mov eax, dword [ebp - 4]
mov esi, dword [eax + 0xc0]
cmp word [esi], 0x7b
je 0x4f63ef
mov edx, 0x77
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4f64e1
mov edx, 0x5fdca4
mov eax, esi
add eax, 2
call fcn.004f4a34
inc eax
mov esi, eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
mov edx, esi
add edx, edx
add eax, edx
movzx eax, word [eax]
cmp esi, 1
jle 0x4f6431
cmp ax, 0x2a
je 0x4f6430
cmp ax, 0x2b
je 0x4f6430
cmp ax, 0x3f
je 0x4f6430
cmp ax, 0x7b
jne 0x4f6431
dec esi
mov eax, dword [ebp - 0x10]
or dword [eax], 1
cmp esi, 1
jne 0x4f6442
mov eax, dword [ebp - 0x10]
or dword [eax], 2
mov eax, dword [ebp - 4]
test byte [eax + 0xf0], 1
je 0x4f645f
mov dx, 0x14
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
jmp 0x4f64b5
mov dx, 8
mov eax, dword [ebp - 4]
call fcn.004f4954
mov dword [ebp - 8], eax
jmp 0x4f64b5
mov eax, dword [ebp - 4]
test byte [eax + 0xf0], 0x20
je 0x4f6496
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
movzx edx, word [eax]
mov eax, 0x4f6538
call fcn.004f2d14
test eax, eax
jne 0x4f64aa
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
movzx edx, word [eax]
mov eax, dword [ebp - 4]
call fcn.004f4994
mov eax, dword [ebp - 4]
add dword [eax + 0xc0], 2
dec esi
test esi, esi
jle 0x4f64d4
mov eax, dword [ebp - 4]
test byte [eax + 0xf0], 0x20
je 0x4f6470
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc0]
cmp word [eax], 0x23
jne 0x4f6470
xor edx, edx
mov eax, dword [ebp - 4]
call fcn.004f4994
mov ebx, dword [ebp - 8]
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4f6503
lea eax, [ebp - 0x30]
mov edx, 6
call fcn.00407158
ret