Function at 0x501c90
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x2c
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov edi, edx
mov dword [esp + 0x34], ecx
mov edx, dword [eax]
mov dword [esp + 0x1c], 0
mov dword [esp + 0x14], edx
test edi, edi
jne 0x501cbb
xor esi, esi
jmp 0x501ccf
mov esi, edi
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x501cc0
sub esi, ecx
and esi, 0x3fffffff
test dl, 0x40
jne 0x501ce1
cmp byte [0x70b84e], 0
je 0x502285
cmp esi, 5
jb 0x502285
mov eax, dword [edi]
mov ecx, 0x70ae44
cmp eax, dword [ecx]
jne 0x502285
movzx eax, byte [edi + 4]
cmp al, byte [ecx + 4]
jne 0x502285
or edx, 0x40
mov dword [esp + 0x10], 0
xor eax, eax
mov dword [esp + 0x20], 0
mov dword [esp + 0x14], edx
lea ebx, [esi + 2]
test esi, esi
je 0x501d51
cmp byte [eax + edi], 0x26
jne 0x501d35
mov ecx, 1
xor edx, edx
jmp 0x501d46
xorps xmm0, xmm0
movlpd qword [esp + 0x28], xmm0
mov edx, dword [esp + 0x2c]
mov ecx, dword [esp + 0x28]
add ebx, ecx
adc dword [esp + 0x20], edx
inc eax
cmp eax, esi
jl 0x501d26
call fcn.004ff440
test eax, eax
jne 0x5022ee
mov ecx, dword [esp + 0x20]
mov eax, ebx
or eax, ecx
je 0x501d7a
push ecx
push ebx
call fcn.00477af0
add esp, 8
mov dword [esp + 0xc], eax
mov ebx, eax
jmp 0x501d80
xor ebx, ebx
mov dword [esp + 0xc], ebx
test ebx, ebx
je 0x5022ee
cmp byte [edi + 5], 0x2f
mov esi, 5
jne 0x501df2
cmp byte [edi + 6], 0x2f
jne 0x501df2
mov al, byte [edi + 7]
lea ecx, [edi + 7]
mov esi, 7
test al, al
je 0x501df2
cmp al, 0x2f
je 0x501db5
mov al, byte [esi + edi + 1]
inc esi
test al, al
jne 0x501da8
cmp esi, 7
je 0x501df2
cmp esi, 0x10
jne 0x501ddb
mov edx, 0x70aeac
mov eax, dword [edx]
cmp eax, dword [ecx]
jne 0x501ddb
mov eax, dword [edx + 4]
cmp eax, dword [ecx + 4]
jne 0x501ddb
movzx eax, byte [edx + 8]
cmp al, byte [ecx + 8]
je 0x501df2
push ecx
lea eax, [esi - 7]
push eax
push 0x70ae4c
call fcn.0047a390
add esp, 0xc
jmp 0x502203
mov dl, byte [esi + edi]
xor ecx, ecx
mov dword [esp + 0x18], ecx
test dl, dl
je 0x501fae
cmp dl, 0x23
je 0x501ea5
inc esi
cmp dl, 0x25
jne 0x501ee6
mov bl, byte [esi + edi]
movzx eax, bl
test byte [eax + 0x6c64c0], 8
je 0x501ee2
movzx eax, byte [esi + edi + 1]
test byte [eax + 0x6c64c0], 8
je 0x501ee2
movsx edx, bl
movsx ebx, byte [esi + edi + 1]
mov ecx, edx
sar ecx, 6
add esi, 2
and cl, 1
mov al, cl
shl al, 3
sub al, cl
sub dl, al
mov eax, ebx
sar eax, 6
and edx, 0xf
and al, 1
shl edx, 4
mov cl, al
shl cl, 3
sub cl, al
mov al, bl
sub al, cl
mov ecx, dword [esp + 0x18]
and eax, 0xf
add edx, eax
jne 0x501ed0
mov al, byte [esi + edi]
test al, al
je 0x501e96
cmp al, 0x23
je 0x501e96
test ecx, ecx
jne 0x501e8d
cmp al, 0x3f
jmp 0x501ec3
cmp ecx, 1
jne 0x501ebc
cmp al, 0x3d
jne 0x501ec1
mov ebx, dword [esp + 0xc]
mov dl, byte [esi + edi]
test dl, dl
jne 0x501e03
mov eax, dword [esp + 0x10]
cmp ecx, 1
jne 0x501fb0
mov byte [ebx + eax], 0
inc eax
jmp 0x501fb0
cmp ecx, 2
jne 0x501ec5
cmp al, 0x26
je 0x501e96
mov al, byte [esi + edi + 1]
inc esi
test al, al
jne 0x501e81
jmp 0x501e96
mov eax, dword [esp + 0x10]
mov ebx, dword [esp + 0xc]
mov byte [ebx + eax], dl
inc eax
mov dword [esp + 0x10], eax
jmp 0x501e9a
mov ebx, dword [esp + 0xc]
cmp ecx, 1
jne 0x501f6e
cmp dl, 0x26
je 0x501efd
cmp dl, 0x3d
jne 0x501f9d
mov eax, dword [esp + 0x10]
cmp byte [ebx + eax - 1], 0
jne 0x501f2d
mov al, byte [esi + edi]
test al, al
je 0x501e9a
nop
cmp al, 0x23
je 0x501e9a
cmp byte [esi + edi - 1], 0x26
je 0x501e9a
mov al, byte [esi + edi + 1]
inc esi
test al, al
jne 0x501f10
jmp 0x501e9a
cmp dl, 0x26
jne 0x501f52
mov edx, dword [esp + 0x10]
mov byte [ebx + edx], 0
inc edx
mov dword [esp + 0x10], edx
xor dl, dl
mov eax, dword [esp + 0x10]
mov byte [ebx + eax], dl
inc eax
mov dword [esp + 0x10], eax
jmp 0x501e9a
mov eax, dword [esp + 0x10]
xor dl, dl
mov ecx, 2
mov dword [esp + 0x18], ecx
mov byte [ebx + eax], dl
inc eax
mov dword [esp + 0x10], eax
jmp 0x501e9a
test ecx, ecx
jne 0x501f88
cmp dl, 0x3f
je 0x501f92
mov eax, dword [esp + 0x10]
mov byte [ebx + eax], dl
inc eax
mov dword [esp + 0x10], eax
jmp 0x501e9a
cmp ecx, 2
jne 0x501f9d
cmp dl, 0x26
jne 0x501f9d
mov ecx, 1
xor dl, dl
mov dword [esp + 0x18], ecx
mov eax, dword [esp + 0x10]
mov byte [ebx + eax], dl
inc eax
mov dword [esp + 0x10], eax
jmp 0x501e9a
xor eax, eax
mov ecx, ebx
mov word [ebx + eax], 0
lea edx, [ecx + 1]
nop dword [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x501fc0
sub ecx, edx
lea edx, [ebx + 1]
and ecx, 0x3fffffff
add edx, ecx
cmp byte [edx], al
je 0x5021d9
nop dword [eax]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x501fe5
sub ecx, esi
lea eax, [edx + 1]
and ecx, 0x3fffffff
add eax, ecx
mov dword [esp + 0x10], eax
jne 0x502003
xor edi, edi
jmp 0x502017
mov edi, eax
lea esi, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x502008
sub edi, esi
and edi, 0x3fffffff
cmp ecx, 3
jne 0x50203f
mov esi, 0x70aec0
movzx eax, word [esi]
cmp ax, word [edx]
jne 0x50203f
movzx eax, byte [esi + 2]
cmp al, byte [edx + 2]
jne 0x50203f
mov eax, dword [esp + 0x10]
mov dword [esp + 0x34], eax
jmp 0x5021c7
xor ebx, ebx
xor esi, esi
mov dword [esp + 0x18], ebx
mov dword [esp + 0x20], ebx
mov dword [esp + 0x28], esi
cmp ecx, 5
jne 0x502087
mov eax, 0x70aeb8
mov eax, dword [eax]
cmp eax, dword [edx]
jne 0x502087
mov eax, 0x70aeb8
movzx eax, byte [eax + 4]
cmp al, byte [edx + 4]
jne 0x502087
mov esi, 0x60000
mov dword [esp + 0x20], 0x70aedc
mov ebx, 0x70b0bc
mov dword [esp + 0x28], esi
mov dword [esp + 0x18], ebx
mov dword [esp + 0x24], esi
cmp ecx, 4
jne 0x5020f1
mov ecx, 0x70aed4
mov eax, dword [ecx]
cmp eax, dword [edx]
je 0x5020b7
cmp al, byte [edx]
jne 0x5020bb
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x5020bb
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x5020bb
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x5020bb
xor eax, eax
jmp 0x5020c0
sbb eax, eax
or eax, 1
mov dword [esp + 0x24], esi
test eax, eax
jne 0x5020f1
mov ecx, dword [esp + 0x14]
mov eax, 0x70b0dc
and ecx, 0x87
mov dword [esp + 0x28], 0x87
mov dword [esp + 0x18], eax
mov dword [esp + 0x24], ecx
mov dword [esp + 0x20], 0x70af0c
jmp 0x5020fd
test ebx, ebx
je 0x5021c3
mov eax, dword [esp + 0x18]
mov eax, dword [eax]
xor ebx, ebx
test eax, eax
je 0x50217f
mov edx, eax
lea esi, [edx + 1]
nop word [eax + eax]
mov cl, byte [edx]
inc edx
test cl, cl
jne 0x502110
sub edx, esi
and edx, 0x3fffffff
cmp edi, edx
jne 0x502173
mov edx, dword [esp + 0x10]
mov esi, edi
sub esi, 4
jb 0x502141
nop
mov ecx, dword [edx]
cmp ecx, dword [eax]
jne 0x502146
add edx, 4
add eax, 4
sub esi, 4
jae 0x502130
cmp esi, 0xfffffffc
je 0x502196
mov cl, byte [edx]
cmp cl, byte [eax]
jne 0x502173
cmp esi, 0xfffffffd
je 0x502196
mov cl, byte [edx + 1]
cmp cl, byte [eax + 1]
jne 0x502173
cmp esi, 0xfffffffe
je 0x502196
mov cl, byte [edx + 2]
cmp cl, byte [eax + 2]
jne 0x502173
cmp esi, 0xffffffff
je 0x502196
mov cl, byte [edx + 3]
cmp cl, byte [eax + 3]
je 0x502196
mov eax, dword [esp + 0x18]
inc ebx
mov eax, dword [eax + ebx*8]
test eax, eax
jne 0x502105
push dword [esp + 0x10]
push dword [esp + 0x24]
push 0x70aef8
call fcn.0047a390
add esp, 0xc
jmp 0x502203
mov eax, dword [esp + 0x18]
mov ecx, dword [eax + ebx*8 + 4]
test ecx, ecx
je 0x50217f
mov eax, ecx
and eax, 0xffffff7f
cmp eax, dword [esp + 0x24]
jg 0x502266
mov eax, dword [esp + 0x28]
not eax
and eax, dword [esp + 0x14]
or eax, ecx
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x10]
lea edx, [eax + 1]
add edx, edi
cmp byte [edx], 0
jne 0x501fe0
mov ebx, dword [esp + 0xc]
mov esi, dword [esp + 0x34]
push esi
call fcn.00477200
mov ecx, eax
add esp, 4
mov eax, dword [ebp + 0xc]
mov dword [eax], ecx
test ecx, ecx
jne 0x5022d5
push esi
push 0x70af14
call fcn.0047a390
add esp, 8
mov dword [esp + 0x1c], 1
cmp dword [0x70b848], 0
mov ecx, dword [ebp + 0x14]
mov dword [ecx], eax
je 0x5022c5
mov eax, dword [0x716a80]
test eax, eax
je 0x502230
push eax
call dword [0x70b898]
add esp, 4
mov esi, dword [esp + 0xc]
push esi
call dword [0x70b874]
sub dword [0x716ab8], eax
add esp, 4
dec dword [0x716adc]
push esi
call dword [0x70b86c]
mov eax, dword [0x716a80]
add esp, 4
test eax, eax
je 0x5022d3
push eax
call dword [0x70b8a0]
jmp 0x5022d0
push dword [esp + 0x10]
push dword [esp + 0x24]
push 0x70af24
call fcn.0047a390
add esp, 0xc
mov dword [esp + 0x1c], 3
jmp 0x50220b
call fcn.004ff440
test eax, eax
jne 0x5022ee
lea eax, [esi + 2]
push 0
push eax
call fcn.00477af0
mov ebx, eax
add esp, 8
mov dword [esp + 0xc], ebx
test ebx, ebx
je 0x5022ee
test esi, esi
je 0x5022b5
push esi
push edi
push ebx
call fcn.00638870
add esp, 0xc
and dword [esp + 0x14], 0xffffffbf
mov word [ebx + esi], 0
jmp 0x5021d9
mov esi, dword [esp + 0xc]
push esi
call dword [0x70b86c]
add esp, 4
xor ebx, ebx
mov ecx, dword [ebp + 8]
mov eax, dword [esp + 0x14]
mov dword [ecx], eax
mov ecx, dword [ebp + 0x10]
mov eax, dword [esp + 0x1c]
mov dword [ecx], ebx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
pop edi
pop esi
mov eax, 7
pop ebx
mov esp, ebp
pop ebp
ret