Function at 0x4ffaa0
Capabilities:
Parse credit card information

Disassembly:
push esi
mov esi, ecx
xor cl, cl
mov eax, dword [esi + 0x4c]
cmp eax, 0xffffffff
je 0x4ffe1d
push ebx
push edi
cmp eax, 0x7c
je 0x4ffe1b
cmp eax, 0x29
jne 0x4ffadd
cmp dword [esi + 0x10], 0
jne 0x4ffe1b
test dword [esi + 0x50], 0x10000000
je 0x4ffe2a
jmp 0x4ffdac
cmp eax, 0x2e
jne 0x4ffaf1
push 5
lea ecx, [esi + 0x24]
call fcn.00503bc0
jmp 0x4ffdb9
cmp eax, 0x5c
jne 0x4ffbcd
mov eax, dword [esi]
mov edx, dword [esi + 8]
cmp eax, edx
je 0x4ffb40
cmp word [eax], 0x5c
jne 0x4ffb3b
lea ecx, [eax + 2]
mov eax, ecx
cmp ecx, edx
je 0x4ffb39
mov edx, dword [esi + 0x50]
test dl, 8
jne 0x4ffb27
movzx edi, word [ecx]
cmp edi, 0x28
je 0x4ffb3b
cmp edi, 0x29
je 0x4ffb3b
test dl, 0x10
jne 0x4ffb39
movzx ecx, word [ecx]
cmp ecx, 0x7b
je 0x4ffb3b
cmp ecx, 0x7d
je 0x4ffb3b
mov eax, dword [esi]
add eax, 2
mov dword [esi], eax
mov ecx, esi
call fcn.005043d0
test byte [esi + 0x50], 0x80
je 0x4ffbc1
movzx eax, word [esi + 0x48]
cmp eax, 0x62
jne 0x4ffba9
push 4
lea ecx, [esi + 0x24]
call fcn.00503bc0
mov eax, dword [esi]
mov edx, dword [esi + 8]
cmp eax, edx
je 0x4ffd56
cmp word [eax], 0x5c
jne 0x4ffd51
lea ecx, [eax + 2]
mov eax, ecx
cmp ecx, edx
je 0x4ffd4f
mov ebx, dword [esi + 0x50]
test bl, 8
jne 0x4ffba1
movzx edx, word [ecx]
cmp edx, 0x28
je 0x4ffd51
cmp edx, 0x29
je 0x4ffd51
test bl, 0x10
jmp 0x4ffd40
cmp eax, 0x42
jne 0x4ffbc1
push 4
lea ecx, [esi + 0x24]
call fcn.00503bc0
mov eax, dword [esi + 0x28]
xor dword [eax + 8], 1
jmp 0x4ffb60
mov ecx, esi
call fcn.004ffe90
jmp 0x4ffe06
cmp eax, 0x5b
jne 0x4ffc7f
mov eax, dword [esi]
mov edx, dword [esi + 8]
cmp eax, edx
je 0x4ffc1c
cmp word [eax], 0x5c
jne 0x4ffc17
lea ecx, [eax + 2]
mov eax, ecx
cmp ecx, edx
je 0x4ffc15
mov edx, dword [esi + 0x50]
test dl, 8
jne 0x4ffc03
movzx edi, word [ecx]
cmp edi, 0x28
je 0x4ffc17
cmp edi, 0x29
je 0x4ffc17
test dl, 0x10
jne 0x4ffc15
movzx ecx, word [ecx]
cmp ecx, 0x7b
je 0x4ffc17
cmp ecx, 0x7d
je 0x4ffc17
mov eax, dword [esi]
add eax, 2
mov dword [esi], eax
mov ecx, esi
call fcn.005043d0
lea ecx, [esi + 0x24]
call fcn.004ff0f0
mov eax, dword [esi + 0x4c]
cmp eax, 0x5e
jne 0x4ffc44
mov eax, dword [esi + 0x28]
mov ecx, esi
xor dword [eax + 8], 1
call fcn.00503c30
mov eax, dword [esi + 0x4c]
test dword [esi + 0x50], 0x20000000
je 0x4ffc62
cmp eax, 0x5d
jne 0x4ffc62
push eax
lea ecx, [esi + 0x24]
call fcn.004ff070
mov ecx, esi
call fcn.00503c30
mov ecx, esi
call fcn.00500f20
cmp dword [esi + 0x4c], 0x5d
jne 0x4ffe3c
mov ecx, esi
call fcn.00503c30
jmp 0x4ffe06
cmp eax, 0x28
jne 0x4ffcf8
mov eax, dword [esi]
mov edx, dword [esi + 8]
cmp eax, edx
je 0x4ffcca
cmp word [eax], 0x5c
jne 0x4ffcc5
lea ecx, [eax + 2]
mov eax, ecx
cmp ecx, edx
je 0x4ffcc3
mov edx, dword [esi + 0x50]
test dl, 8
jne 0x4ffcb1
movzx edi, word [ecx]
cmp edi, 0x28
je 0x4ffcc5
cmp edi, 0x29
je 0x4ffcc5
test dl, 0x10
jne 0x4ffcc3
movzx ecx, word [ecx]
cmp ecx, 0x7b
je 0x4ffcc5
cmp ecx, 0x7d
je 0x4ffcc5
mov eax, dword [esi]
add eax, 2
mov dword [esi], eax
mov ecx, esi
call fcn.005043d0
mov ecx, esi
call fcn.00504850
cmp dword [esi + 0x4c], 0x29
mov bl, al
jne 0x4ffe2a
mov ecx, esi
call fcn.00503c30
test bl, bl
je 0x4ffe0d
jmp 0x4ffe06
cmp eax, 0x5e
jne 0x4ffd01
push 2
jmp 0x4ffd08
cmp eax, 0x24
jne 0x4ffd62
push 3
lea ecx, [esi + 0x24]
call fcn.00503bc0
mov edx, dword [esi + 8]
mov eax, dword [esi]
cmp eax, edx
je 0x4ffd56
cmp word [eax], 0x5c
jne 0x4ffd51
lea ecx, [eax + 2]
mov eax, ecx
cmp ecx, edx
je 0x4ffd4f
mov edx, dword [esi + 0x50]
test dl, 8
jne 0x4ffd3d
movzx edi, word [ecx]
cmp edi, 0x28
je 0x4ffd51
cmp edi, 0x29
je 0x4ffd51
test dl, 0x10
jne 0x4ffd4f
movzx ecx, word [ecx]
cmp ecx, 0x7b
je 0x4ffd51
cmp ecx, 0x7d
je 0x4ffd51
mov eax, dword [esi]
add eax, 2
mov dword [esi], eax
mov ecx, esi
call fcn.005043d0
jmp 0x4ffe0d
cmp eax, 0x2a
je 0x4ffe21
cmp eax, 0x2b
je 0x4ffe21
cmp eax, 0x3f
je 0x4ffe21
cmp eax, 0x7b
je 0x4ffe21
cmp eax, 0x7d
jne 0x4ffd9a
test dword [esi + 0x50], 0x10000000
je 0x4ffe33
jmp 0x4ffdac
cmp eax, 0x5d
jne 0x4ffdac
test dword [esi + 0x50], 0x10000000
je 0x4ffe3c
movzx eax, word [esi + 0x48]
lea ecx, [esi + 0x24]
push eax
call fcn.004fee30
mov edx, dword [esi + 8]
mov eax, dword [esi]
cmp eax, edx
je 0x4ffdff
cmp word [eax], 0x5c
jne 0x4ffdfa
lea ecx, [eax + 2]
mov eax, ecx
cmp ecx, edx
je 0x4ffdf8
mov edx, dword [esi + 0x50]
test dl, 8
jne 0x4ffde6
movzx edi, word [ecx]
cmp edi, 0x28
je 0x4ffdfa
cmp edi, 0x29
je 0x4ffdfa
test dl, 0x10
jne 0x4ffdf8
movzx ecx, word [ecx]
cmp ecx, 0x7b
je 0x4ffdfa
cmp ecx, 0x7d
je 0x4ffdfa
mov eax, dword [esi]
add eax, 2
mov dword [esi], eax
mov ecx, esi
call fcn.005043d0
mov ecx, esi
call fcn.00503d10
mov eax, dword [esi + 0x4c]
mov cl, 1
cmp eax, 0xffffffff
jne 0x4ffab3
pop edi
pop ebx
mov al, cl
pop esi
ret
push 0xa
mov ecx, esi
call fcn.00502570
push 5
mov ecx, esi
call fcn.00502570
push 6
mov ecx, esi
call fcn.00502570
push 4
mov ecx, esi
call fcn.00502570
int3