Function at 0x596490
Capabilities:
Parse credit card information

Disassembly:
mov ecx, dword fs:[0x14]
mov ecx, dword [ecx]
cmp esp, dword [ecx + 8]
jbe 0x596aca
sub esp, 0x40
mov eax, dword [esp + 0x48]
test eax, eax
je 0x596506
lea ecx, [0x65f440]
mov dword [esp], ecx
mov dword [esp + 4], 0
shr eax, 1
mov dword [esp + 0x28], eax
mov dword [esp + 8], eax
call fcn.004483c0
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 0x44]
cmp byte [ecx], 0x22
jne 0x5964fa
mov edx, dword [esp + 0x48]
dec edx
mov ebx, edx
neg edx
sar edx, 0x1f
and edx, 1
add ecx, edx
mov edx, dword [esp + 0x28]
xor ebp, ebp
jmp 0x596881
mov edx, dword [esp + 0x28]
mov ebx, dword [esp + 0x48]
xor ebp, ebp
jmp 0x59654d
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
xchg esi, ebx
mov byte [eax + ebp], 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 ecx, esi
mov ebp, ebx
mov ebx, edi
mov dword [esp + 0x24], ebp
test ebx, ebx
je 0x5966dc
movzx esi, byte [ecx]
xchg esi, eax
cmp al, 0x5c
xchg esi, eax
jne 0x596584
lea esi, [ebx - 1]
mov edi, esi
xchg esi, ebx
neg ebx
xchg esi, ebx
sar esi, 0x1f
and esi, 1
add esi, ecx
cmp ebx, 1
jne 0x59664a
jmp 0x5966b3
lea edi, [esi - 0x30]
xchg edi, eax
cmp al, 9
xchg edi, eax
jbe 0x596646
lea edi, [esi - 0x61]
xchg edi, eax
cmp al, 0x19
xchg edi, eax
jbe 0x596646
lea edi, [esi - 0x41]
xchg edi, eax
cmp al, 0x19
xchg edi, eax
jbe 0x596646
xchg esi, eax
cmp al, 0x21
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x23
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x24
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x25
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x26
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x27
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x2a
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x2b
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x2d
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x2f
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x3d
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x3f
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x5e
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x5f
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x60
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x7b
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x7c
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x7d
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x7e
xchg esi, eax
je 0x596646
xchg esi, eax
cmp al, 0x2e
xchg esi, eax
jne 0x5966dc
mov edi, ebx
mov esi, ecx
test edi, edi
jbe 0x596872
lea ebx, [ebp + 1]
mov ecx, esi
movzx esi, byte [esi]
cmp edx, ebx
jae 0x59652f
xchg esi, eax
mov byte [esp + 0x21], al
xchg esi, eax
mov dword [esp + 0x30], edi
mov dword [esp + 0x3c], ecx
lea ecx, [0x65f440]
mov dword [esp], ecx
mov dword [esp + 4], eax
mov dword [esp + 8], ebp
mov dword [esp + 0xc], edx
mov dword [esp + 0x10], ebx
call fcn.00448480
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
lea ebx, [ecx + 1]
mov ecx, dword [esp + 0x3c]
mov ebp, dword [esp + 0x24]
movzx esi, byte [esp + 0x21]
mov edi, dword [esp + 0x30]
jmp 0x59652f
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
test ebp, ebp
je 0x596777
mov word [esp + 0x22], 0
mov word [esp + 0x22], 0x2e2e
cmp byte [eax], 0x2e
je 0x59673c
lea esi, [ebp + eax - 1]
cmp byte [esi], 0x2e
je 0x59673c
mov dword [esp + 0x38], ecx
mov dword [esp + 0x34], eax
mov dword [esp + 0x2c], ebx
nop
mov dword [esp], eax
mov dword [esp + 4], ebp
mov dword [esp + 8], edx
lea ecx, [esp + 0x22]
mov dword [esp + 0xc], ecx
mov dword [esp + 0x10], 2
mov dword [esp + 0x14], 2
call fcn.0046fcd0
cmp dword [esp + 0x18], 0xffffffff
je 0x596765
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x38]
mov edx, dword [esp + 0x24]
mov ebx, dword [esp + 0x34]
jmp 0x5967a0
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
test eax, eax
je 0x5967a9
cmp byte [ecx], 0x40
je 0x5967d2
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
mov dword [esp + 0x24], edx
mov dword [esp + 0x34], ebx
dec eax
mov dword [esp + 0x30], eax
mov edx, eax
neg eax
sar eax, 0x1f
and eax, 1
add eax, ecx
mov dword [esp + 0x3c], eax
mov dword [esp], eax
mov dword [esp + 4], edx
call fcn.00596ae0
movzx eax, byte [esp + 0x14]
test al, al
je 0x596849
mov dword [esp], 0
mov eax, dword [esp + 0x34]
mov dword [esp + 4], eax
mov eax, dword [esp + 0x24]
mov dword [esp + 8], eax
call fcn.0044bc20
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 0x10]
mov dword [esp + 0x4c], eax
mov dword [esp + 0x50], ecx
mov eax, dword [esp + 0x3c]
mov dword [esp + 0x54], eax
mov eax, dword [esp + 0x30]
mov dword [esp + 0x58], eax
mov byte [esp + 0x5c], 1
add esp, 0x40
ret
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
xor eax, eax
mov ecx, edi
call fcn.0045f8b0
mov ecx, eax
mov ebp, esi
mov eax, edi
test ebx, ebx
je 0x596aa1
mov dword [esp + 0x34], eax
movzx esi, byte [ecx]
lea edi, [ebx - 1]
mov dword [esp + 0x30], edi
xchg edi, ebx
neg ebx
xchg edi, ebx
sar edi, 0x1f
and edi, 1
lea eax, [edi + ecx]
xchg esi, eax
cmp al, 0x22
xchg esi, eax
je 0x596a90
mov dword [esp + 0x3c], eax
mov dword [esp + 0x24], ebp
xchg esi, eax
cmp al, 0x5c
xchg esi, eax
jne 0x59696b
cmp ebx, 1
je 0x596a3e
movzx ecx, byte [ecx + edi]
cmp cl, 0xb
je 0x5968fb
cmp cl, 0xc
je 0x5968fb
cmp cl, 1
jb 0x596a15
cmp cl, 9
jbe 0x5968fb
cmp cl, 0xe
jb 0x596a15
cmp cl, 0x7f
ja 0x596a15
lea esi, [ebp + 1]
cmp edx, esi
jb 0x596908
mov edi, dword [esp + 0x34]
jmp 0x596954
mov byte [esp + 0x21], cl
mov dword [esp + 0x30], ebx
lea eax, [0x65f440]
mov dword [esp], eax
mov ecx, dword [esp + 0x34]
mov dword [esp + 4], ecx
mov dword [esp + 8], ebp
mov dword [esp + 0xc], edx
mov dword [esp + 0x10], esi
call fcn.00448480
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
lea esi, [ecx + 1]
movzx ecx, byte [esp + 0x21]
mov ebx, dword [esp + 0x30]
mov ebp, dword [esp + 0x24]
mov edi, eax
mov eax, dword [esp + 0x3c]
mov byte [edi + ebp], cl
lea ecx, [ebx - 2]
mov ebx, ecx
neg ecx
sar ecx, 0x1f
and ecx, 1
add eax, ecx
jmp 0x59687b
xchg esi, eax
cmp al, 0xb
xchg esi, eax
je 0x5969b2
xchg esi, eax
cmp al, 0xc
xchg esi, eax
je 0x5969b2
xchg esi, eax
cmp al, 0x20
xchg esi, eax
je 0x5969b2
xchg esi, eax
cmp al, 0x21
xchg esi, eax
je 0x5969b2
xchg esi, eax
cmp al, 0x7f
xchg esi, eax
je 0x5969b2
lea ecx, [esi - 1]
cmp cl, 7
jbe 0x5969b2
lea ecx, [esi - 0xe]
cmp cl, 0x11
jbe 0x5969b2
lea ecx, [esi - 0x23]
cmp cl, 0x38
jbe 0x5969b2
lea ecx, [esi - 0x5d]
cmp cl, 0x21
ja 0x596a67
lea ecx, [ebp + 1]
cmp edx, ecx
jb 0x5969bf
mov ebx, dword [esp + 0x34]
jmp 0x596a03
xchg esi, eax
mov byte [esp + 0x20], al
xchg esi, eax
lea eax, [0x65f440]
mov dword [esp], eax
mov ebx, dword [esp + 0x34]
mov dword [esp + 4], ebx
mov dword [esp + 8], ebp
mov dword [esp + 0xc], edx
mov dword [esp + 0x10], ecx
call fcn.00448480
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
inc ecx
mov ebp, dword [esp + 0x24]
movzx esi, byte [esp + 0x20]
mov ebx, eax
mov eax, dword [esp + 0x3c]
xchg esi, eax
mov byte [ebx + ebp], al
xchg esi, eax
mov esi, ecx
mov edi, ebx
mov ebx, dword [esp + 0x30]
jmp 0x59687b
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
mov ecx, eax
mov edx, ebp
mov ebx, dword [esp + 0x34]
mov eax, dword [esp + 0x30]
jmp 0x5967a0
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
call fcn.0045e420
jmp fcn.00596490