Function at 0x564f10
Capabilities:
Parse credit card information

Disassembly:
mov ecx, dword fs:[0x14]
mov ecx, dword [ecx]
cmp esp, dword [ecx + 8]
jbe 0x565563
sub esp, 0x38
mov eax, dword [esp + 0x40]
test eax, eax
je 0x565533
shr eax, 1
mov dword [esp + 8], eax
lea eax, [0x731080]
mov dword [esp], eax
mov dword [esp + 4], 0
call fcn.00438a70
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
mov ebx, dword [esp + 0x3c]
movzx ebp, byte [ebx]
xchg ebp, eax
cmp al, 0x22
xchg ebp, eax
jne 0x5652b2
mov ebp, dword [esp + 0x40]
dec ebp
mov esi, ebp
xchg ebp, ebx
neg ebx
xchg ebp, ebx
sar ebp, 0x1f
and ebp, 1
add ebx, ebp
jmp 0x564f8e
mov esi, ebx
mov ecx, ebp
mov ebx, eax
mov eax, edi
test esi, esi
je 0x565289
mov dword [esp + 0x30], eax
movzx ebp, byte [ebx]
lea edi, [esi - 1]
mov dword [esp + 0x40], edi
xchg edi, ebx
neg ebx
xchg edi, ebx
sar edi, 0x1f
and edi, 1
lea eax, [edi + ebx]
xchg ebp, eax
cmp al, 0x22
xchg ebp, eax
je 0x56519c
mov dword [esp + 0x34], eax
mov dword [esp + 0x24], ecx
xchg ebp, eax
cmp al, 0x5c
xchg ebp, eax
jne 0x5650bd
cmp esi, 1
je 0x565094
movzx ebx, byte [ebx + edi]
cmp bl, 0xb
jne 0x56504e
lea ebp, [ecx + 1]
cmp ebp, edx
jg 0x565002
mov edi, dword [esp + 0x30]
mov byte [edi + ecx], bl
lea ecx, [esi - 2]
mov ebx, ecx
neg ecx
sar ecx, 0x1f
and ecx, 1
add eax, ecx
jmp 0x564f86
mov byte [esp + 0x21], bl
mov dword [esp + 0x40], esi
lea eax, [0x731080]
mov dword [esp], eax
mov ebx, dword [esp + 0x30]
mov dword [esp + 4], ebx
mov dword [esp + 8], ecx
mov dword [esp + 0xc], edx
mov dword [esp + 0x10], ebp
call fcn.00438b40
mov edi, dword [esp + 0x14]
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
lea ebp, [eax + 1]
mov eax, dword [esp + 0x34]
mov ecx, dword [esp + 0x24]
movzx ebx, byte [esp + 0x21]
mov esi, dword [esp + 0x40]
jmp 0x564fee
cmp bl, 0xc
je 0x564fe3
lea ebp, [ebx - 1]
xchg ebp, eax
cmp al, 8
xchg ebp, eax
jbe 0x564fe3
lea ebp, [ebx - 0xe]
xchg ebp, eax
cmp al, 0x71
xchg ebp, eax
jbe 0x564fe3
mov dword [esp + 0x44], 0
mov dword [esp + 0x48], 0
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov byte [esp + 0x54], 0
add esp, 0x38
ret
mov dword [esp + 0x44], 0
mov dword [esp + 0x48], 0
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov byte [esp + 0x54], 0
add esp, 0x38
ret
xchg ebp, eax
cmp al, 0xb
xchg ebp, eax
jne 0x565127
lea ebx, [ecx + 1]
cmp ebx, edx
jg 0x5650e1
mov esi, dword [esp + 0x30]
xchg ebp, eax
mov byte [esi + ecx], al
xchg ebp, eax
mov ebp, ebx
mov edi, esi
mov ebx, dword [esp + 0x40]
jmp 0x564f86
xchg ebp, eax
mov byte [esp + 0x20], al
xchg ebp, eax
lea eax, [0x731080]
mov dword [esp], eax
mov ebp, dword [esp + 0x30]
mov dword [esp + 4], ebp
mov dword [esp + 8], ecx
mov dword [esp + 0xc], edx
mov dword [esp + 0x10], ebx
call fcn.00438b40
mov esi, dword [esp + 0x14]
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
lea ebx, [eax + 1]
mov eax, dword [esp + 0x34]
mov ecx, dword [esp + 0x24]
movzx ebp, byte [esp + 0x20]
jmp 0x5650cf
xchg ebp, eax
cmp al, 0xc
xchg ebp, eax
je 0x5650c4
xchg ebp, eax
cmp al, 0x20
xchg ebp, eax
je 0x5650c4
xchg ebp, eax
cmp al, 0x21
xchg ebp, eax
je 0x5650c4
xchg ebp, eax
cmp al, 0x7f
xchg ebp, eax
je 0x5650c4
lea ebx, [ebp - 1]
cmp bl, 7
jbe 0x5650c4
lea ebx, [ebp - 0xe]
cmp bl, 0x11
jbe 0x5650c4
lea ebx, [ebp - 0x23]
cmp bl, 0x38
jbe 0x5650c4
lea ebx, [ebp - 0x5d]
cmp bl, 0x21
jbe 0x5650c4
mov dword [esp + 0x44], 0
mov dword [esp + 0x48], 0
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov byte [esp + 0x54], 0
add esp, 0x38
ret
mov ebx, dword [esp + 0x40]
mov ebp, dword [esp + 0x30]
test ebx, ebx
jne 0x5651d1
mov dword [esp + 0x44], 0
mov dword [esp + 0x48], 0
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov byte [esp + 0x54], 0
add esp, 0x38
ret
movzx esi, byte [eax]
xchg esi, eax
cmp al, 0x40
xchg esi, eax
jne 0x5651a8
mov dword [esp + 0x28], edx
mov dword [esp + 0x24], ecx
mov dword [esp + 0x30], ebp
lea ecx, [ebx - 1]
mov dword [esp + 0x40], ecx
mov edx, ecx
neg ecx
sar ecx, 0x1f
and ecx, 1
add eax, ecx
mov dword [esp + 0x3c], eax
mov dword [esp], eax
mov dword [esp + 4], edx
call fcn.00565570
movzx eax, byte [esp + 0x14]
test al, al
je 0x565260
mov dword [esp], 0
mov eax, dword [esp + 0x30]
mov dword [esp + 4], eax
mov eax, dword [esp + 0x24]
mov dword [esp + 8], eax
mov eax, dword [esp + 0x28]
mov dword [esp + 0xc], eax
call fcn.0043be60
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x10]
mov dword [esp + 0x44], ecx
mov dword [esp + 0x48], eax
mov eax, dword [esp + 0x3c]
mov dword [esp + 0x4c], eax
mov eax, dword [esp + 0x40]
mov dword [esp + 0x50], eax
mov byte [esp + 0x54], 1
add esp, 0x38
ret
mov dword [esp + 0x44], 0
mov dword [esp + 0x48], 0
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov byte [esp + 0x54], 0
add esp, 0x38
ret
mov dword [esp + 0x44], 0
mov dword [esp + 0x48], 0
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov byte [esp + 0x54], 0
add esp, 0x38
ret
mov ebp, dword [esp + 0x40]
jmp 0x5652d6
xchg esi, ebx
mov byte [eax + ecx], bl
xchg esi, ebx
lea esi, [edi - 1]
mov edi, esi
xchg esi, ebx
neg ebx
xchg esi, ebx
sar esi, 0x1f
and esi, 1
add ebx, esi
mov ecx, ebp
mov ebp, edi
mov dword [esp + 0x24], ecx
test ebp, ebp
jle 0x56545d
movzx esi, byte [ebx]
xchg esi, eax
cmp al, 0x5c
xchg esi, eax
jne 0x565394
lea esi, [ebp - 1]
mov edi, esi
xchg esi, ebx
neg ebx
xchg esi, ebx
sar esi, 0x1f
and esi, 1
add ebx, esi
cmp ebp, 1
je 0x56536b
test edi, edi
jbe 0x56555c
lea ebp, [ecx + 1]
movzx esi, byte [ebx]
cmp ebp, edx
jle 0x5652b8
mov dword [esp + 0x40], edi
xchg esi, eax
mov byte [esp + 0x21], al
xchg esi, eax
mov dword [esp + 0x3c], ebx
lea ebx, [0x731080]
mov dword [esp], ebx
mov dword [esp + 4], eax
mov dword [esp + 8], ecx
mov dword [esp + 0xc], edx
mov dword [esp + 0x10], ebp
call fcn.00438b40
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
lea ebp, [ecx + 1]
mov ecx, dword [esp + 0x24]
mov ebx, dword [esp + 0x3c]
movzx esi, byte [esp + 0x21]
mov edi, dword [esp + 0x40]
jmp 0x5652b8
mov dword [esp + 0x44], 0
mov dword [esp + 0x48], 0
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov byte [esp + 0x54], 0
add esp, 0x38
ret
lea edi, [esi - 0x30]
xchg edi, eax
cmp al, 9
xchg edi, eax
ja 0x5653a5
mov edi, ebp
jmp 0x565308
lea edi, [esi - 0x61]
xchg edi, eax
cmp al, 0x19
xchg edi, eax
jbe 0x56539e
lea edi, [esi - 0x41]
xchg edi, eax
cmp al, 0x19
xchg edi, eax
jbe 0x56539e
xchg esi, eax
cmp al, 0x21
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x23
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x24
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x25
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x26
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x27
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x2a
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x2b
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x2d
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x2f
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x3d
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x3f
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x5e
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x5f
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x60
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x7b
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x7c
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x7d
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x7e
xchg esi, eax
je 0x56539e
xchg esi, eax
cmp al, 0x2e
xchg esi, eax
je 0x56539e
test ecx, ecx
je 0x56550a
movzx esi, word [0x7fbd9e]
mov word [esp + 0x22], si
movzx esi, byte [eax]
xchg esi, eax
cmp al, 0x2e
xchg esi, eax
jne 0x5654a4
mov dword [esp + 0x44], 0
mov dword [esp + 0x48], 0
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov byte [esp + 0x54], 0
add esp, 0x38
ret
movzx esi, byte [ecx + eax - 1]
xchg esi, eax
cmp al, 0x2e
xchg esi, eax
je 0x56547b
mov dword [esp + 0x28], edx
mov dword [esp + 0x34], ebx
mov dword [esp + 0x2c], ebp
mov dword [esp + 0x30], eax
mov dword [esp], eax
mov dword [esp + 4], ecx
mov dword [esp + 8], edx
lea ebx, [esp + 0x22]
mov dword [esp + 0xc], ebx
mov dword [esp + 0x10], 2
mov dword [esp + 0x14], 2
call fcn.004d1f00
movzx eax, byte [esp + 0x18]
test al, al
jne 0x56547b
mov eax, dword [esp + 0x34]
mov ebx, dword [esp + 0x2c]
mov edx, dword [esp + 0x28]
mov ecx, dword [esp + 0x24]
mov ebp, dword [esp + 0x30]
jmp 0x5651a4
mov dword [esp + 0x44], 0
mov dword [esp + 0x48], 0
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov byte [esp + 0x54], 0
add esp, 0x38
ret
mov dword [esp + 0x44], 0
mov dword [esp + 0x48], 0
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov byte [esp + 0x54], 0
add esp, 0x38
ret
call fcn.004266e0
ud2
call fcn.0044b280
jmp fcn.00564f10