Function at 0x42c760
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
mov esi, ecx
xor cl, cl
push edi
mov eax, dword [esi + 0x4c]
cmp eax, 0xffffffff
je 0x42c98b
cmp eax, 0x7c
je 0x42c98b
cmp eax, 0x29
jne 0x42c79c
cmp dword [esi + 0x10], 0
jne 0x42c98b
test dword [esi + 0x50], 0x10000000
je 0x42c9a2
cmp eax, 0x2e
jne 0x42c7b0
lea ecx, [esi + 0x24]
push 5
call fcn.0042ca00
jmp 0x42c96f
cmp eax, 0x5c
jne 0x42c815
mov ecx, esi
call fcn.0042c700
mov eax, dword [esi + 0x50]
and eax, 0x80
je 0x42c7e2
cmp byte [esi + 0x48], 0x62
jne 0x42c7e2
lea ecx, [esi + 0x24]
push 4
call fcn.0042ca00
mov ecx, esi
call fcn.0042c700
jmp 0x42c97d
test eax, eax
je 0x42c809
cmp byte [esi + 0x48], 0x42
jne 0x42c809
lea ecx, [esi + 0x24]
push 4
call fcn.0042ca00
mov eax, dword [esi + 0x28]
mov ecx, esi
xor dword [eax + 8], 1
call fcn.0042c700
jmp 0x42c97d
mov ecx, esi
call fcn.0042eaf0
jmp 0x42c976
cmp eax, 0x5b
jne 0x42c8d6
mov ecx, esi
call fcn.0042c700
lea ecx, [esi + 0x24]
call fcn.00431c20
mov eax, dword [esi + 0x4c]
cmp eax, 0x5e
jne 0x42c846
mov eax, dword [esi + 0x28]
mov ecx, esi
xor dword [eax + 8], 1
call fcn.0042c700
mov eax, dword [esi + 0x4c]
test dword [esi + 0x50], 0x20000000
je 0x42c8c0
cmp eax, 0x5d
jne 0x42c8c0
test dword [esi + 0x2c], 0x100
mov bl, al
je 0x42c86f
mov eax, dword [esi + 0x30]
push 0x5d
mov ecx, dword [eax + 4]
call dword [sym.imp.MSVCP140.dll_public:_char___thiscall_std::ctype_char_::tolower_char_const]
mov bl, al
mov edi, dword [esi + 0x28]
mov ecx, dword [edi + 0x18]
test ecx, ecx
jne 0x42c8a4
push 0x20
call fcn.0059df75
add esp, 4
mov dword [ebp - 4], eax
xor ecx, ecx
mov dword [eax], ecx
mov dword [eax + 4], ecx
mov dword [eax + 8], ecx
mov dword [eax + 0xc], ecx
mov dword [eax + 0x10], ecx
mov dword [eax + 0x14], ecx
mov dword [eax + 0x18], ecx
mov dword [eax + 0x1c], ecx
mov ecx, eax
mov dword [edi + 0x18], eax
movzx edx, bl
mov eax, edx
and edx, 7
shr eax, 3
add ecx, eax
movzx eax, byte [ecx]
bts eax, edx
mov byte [ecx], al
mov ecx, esi
call fcn.0042c700
mov ecx, esi
call fcn.00431730
cmp dword [esi + 0x4c], 0x5d
jne 0x42c99b
jmp 0x42c96f
cmp eax, 0x28
jne 0x42c902
mov ecx, esi
call fcn.0042c700
mov ecx, esi
call fcn.0042ec80
cmp dword [esi + 0x4c], 0x29
mov bl, al
jne 0x42c9a2
mov ecx, esi
call fcn.0042c700
test bl, bl
je 0x42c97d
jmp 0x42c976
cmp eax, 0x5e
jne 0x42c91a
lea ecx, [esi + 0x24]
push 2
call fcn.0042ca00
mov ecx, esi
call fcn.0042c700
jmp 0x42c97d
cmp eax, 0x24
jne 0x42c932
lea ecx, [esi + 0x24]
push 3
call fcn.0042ca00
mov ecx, esi
call fcn.0042c700
jmp 0x42c97d
cmp eax, 0x2a
je 0x42c994
cmp eax, 0x2b
je 0x42c994
cmp eax, 0x3f
je 0x42c994
cmp eax, 0x7b
je 0x42c994
cmp eax, 0x7d
jne 0x42c954
test dword [esi + 0x50], 0x10000000
je 0x42c9a9
cmp eax, 0x5d
jne 0x42c962
test dword [esi + 0x50], 0x10000000
je 0x42c99b
movzx eax, byte [esi + 0x48]
lea ecx, [esi + 0x24]
push eax
call fcn.0042eee0
mov ecx, esi
call fcn.0042c700
mov ecx, esi
call fcn.0042ed80
mov eax, dword [esi + 0x4c]
mov cl, 1
cmp eax, 0xffffffff
jne 0x42c777
pop edi
pop esi
mov al, cl
pop ebx
mov esp, ebp
pop ebp
ret
push 0xa
call fcn.0042b020
push 4
call fcn.0042b020
push 5
call fcn.0042b020
push 6
call fcn.0042b020
int3