Function at 0x4c3d10
Capabilities:
Parse credit card information

Disassembly:
push 0xffffffffffffffff
push 0x506677
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x6c
push ebx
push ebp
mov ebx, ecx
push esi
push edi
lea ecx, [esp + 0x1c]
mov dword [esp + 0x18], ebx
call fcn.004c1710
xor edi, edi
lea ecx, [esp + 0x3c]
push edi
push edi
push 1
push edi
mov dword [esp + 0x94], edi
call fcn.004c1110
lea ebp, [ebx + 0x90]
push eax
mov ecx, ebp
call fcn.004c2000
test eax, eax
jne 0x4c3f3c
mov eax, dword [ebx + 0x94]
cmp eax, edi
jne 0x4c3e0e
push edi
push edi
push 1
push 0x7b
lea ecx, [esp + 0x3c]
lea esi, [ebx + 0xa0]
call fcn.004c1110
push eax
mov ecx, esi
call fcn.004c2000
test eax, eax
jne 0x4c3fa1
push edi
push edi
push 1
push 0x3f
lea ecx, [esp + 0x5c]
call fcn.004c1110
push eax
mov ecx, esi
call fcn.004c2000
test eax, eax
jne 0x4c3fa1
push edi
push edi
push 1
push 0x2a
lea ecx, [esp + 0x6c]
call fcn.004c1110
push eax
mov ecx, esi
call fcn.004c2000
test eax, eax
jne 0x4c3fa1
push edi
push edi
push 1
push 0x2b
lea ecx, [esp + 0x7c]
call fcn.004c1110
push eax
mov ecx, esi
call fcn.004c2000
test eax, eax
jne 0x4c3fa1
mov ax, word [ebp]
push 1
lea ecx, [esp + 0x18]
push 1
mov dword [esp + 0x1c], eax
push ecx
jmp 0x4c3f0e
cmp eax, 1
jne 0x4c3f1e
mov ax, word [ebp]
cmp ax, 0x29
je 0x4c3f3c
cmp ax, 0x7c
je 0x4c3f3c
cmp dword [esp + 0x24], edi
jg 0x4c3f46
cmp ax, 0x28
je 0x4c3fcd
cmp ax, 0x5b
je 0x4c4000
cmp ax, 0x2e
je 0x4c4000
cmp ax, 0x77
je 0x4c4000
cmp ax, 0x57
je 0x4c4000
cmp ax, 0x73
je 0x4c4000
cmp ax, 0x53
je 0x4c4000
cmp ax, 0x64
je 0x4c4000
cmp ax, 0x44
je 0x4c4000
cmp ax, 0x5e
je 0x4c3fef
cmp ax, 0x24
je 0x4c3fef
cmp ax, 0x41
je 0x4c3fef
cmp ax, 0x5a
je 0x4c3fef
cmp ax, 0x7a
je 0x4c3fef
cmp ax, 0x62
je 0x4c3fef
cmp ax, 0x42
je 0x4c3fef
cmp ax, 0x47
je 0x4c3fef
cmp ax, 0x5c
je 0x4c3fde
cmp ax, 0x6b
je 0x4c3fde
cmp ax, 0x67
je 0x4c3fde
push 1
lea edx, [esp + 0x18]
push 1
mov dword [esp + 0x1c], eax
push edx
lea ecx, [esp + 0x28]
call fcn.004c1730
mov ecx, ebx
call fcn.004c4760
push edi
push edi
push 1
push edi
lea ecx, [esp + 0x4c]
call fcn.004c1110
push eax
mov ecx, ebp
call fcn.004c2000
test eax, eax
je 0x4c3d68
cmp dword [esp + 0x24], edi
jle 0x4c401e
push 0x1c
call fcn.004f7a2c
add esp, 4
mov dword [esp + 0x14], eax
cmp eax, edi
mov byte [esp + 0x84], 1
je 0x4c4011
mov ecx, dword [esp + 0x20]
cmp ecx, edi
jne 0x4c3f71
mov ecx, 0x648d94
mov edx, dword [esp + 0x8c]
mov edx, dword [edx]
mov esi, edx
and edx, 0x10
and esi, 8
push esi
push edx
mov edx, dword [esp + 0x2c]
push edx
push ecx
mov ecx, eax
call fcn.004c9400
mov esi, eax
lea ecx, [ebx + 0x14]
push esi
call fcn.004c9f70
jmp 0x4c4028
cmp dword [esp + 0x24], edi
jne 0x4c3f40
mov ax, word [ebp]
push 1
lea ecx, [esp + 0x18]
push 1
push ecx
lea ecx, [esp + 0x28]
mov dword [esp + 0x20], eax
call fcn.004c1730
mov ecx, ebx
call fcn.004c4760
jmp 0x4c3f3c
mov edx, dword [esp + 0x8c]
mov ecx, ebx
push edx
call fcn.004c60d0
jmp 0x4c4026
mov eax, dword [esp + 0x8c]
mov ecx, ebx
push eax
call fcn.004c8b90
jmp 0x4c4026
mov ecx, dword [esp + 0x8c]
push ecx
mov ecx, ebx
call fcn.004c8840
jmp 0x4c4026
mov edx, dword [esp + 0x8c]
mov ecx, ebx
push edx
call fcn.004c5310
jmp 0x4c4026
xor esi, esi
lea ecx, [ebx + 0x14]
push esi
call fcn.004c9f70
jmp 0x4c4028
push edi
mov ecx, ebx
call fcn.004c2f70
mov esi, eax
lea ecx, [esp + 0x1c]
mov dword [esp + 0x84], 0xffffffff
call fcn.004c17e0
mov eax, dword [ebx + 0x94]
mov dword [esp + 0x14], esi
cmp eax, edi
je case.0x4c406c.46
xor eax, eax
mov dword [esp + 0x10], edi
mov ax, word [ebp]
add eax, 0xffffffd6
cmp eax, 0x51
ja case.0x4c406c.46
xor ecx, ecx
mov cl, byte [eax + 0x4c4690]
jmp dword [ecx*4 + 0x4c467c]
xor esi, esi
lea ecx, [esp + 0x2c]
push esi
push esi
call fcn.004c9750
mov dword [esp + 0x2c], 0x648d90
mov dword [esp + 0x38], esi
mov dword [esp + 0x30], esi
lea edi, [ebx + 0x80]
mov edx, ebp
mov eax, edi
lea esi, [ebx + 0xa0]
mov ecx, dword [edx]
mov dword [esp + 0x84], 2
mov dword [eax], ecx
mov ecx, dword [edx + 4]
mov dword [eax + 4], ecx
mov ecx, dword [edx + 8]
mov dword [eax + 8], ecx
mov edx, dword [edx + 0xc]
mov dword [eax + 0xc], edx
mov eax, esi
mov ecx, dword [eax]
mov dword [ebp], ecx
mov edx, dword [eax + 4]
mov dword [ebp + 4], edx
mov ecx, dword [eax + 8]
mov dword [ebp + 8], ecx
mov ecx, esi
mov edx, dword [eax + 0xc]
mov dword [ebp + 0xc], edx
lea ebp, [ebx + 0xb0]
mov eax, ebp
mov edx, dword [eax]
mov dword [ecx], edx
mov edx, dword [eax + 4]
mov dword [ecx + 4], edx
mov edx, dword [eax + 8]
mov dword [ecx + 8], edx
mov eax, dword [eax + 0xc]
mov dword [ecx + 0xc], eax
mov ecx, ebx
call fcn.004c2030
test eax, eax
jne 0x4c4110
mov ecx, ebx
call fcn.004c2030
test eax, eax
je 0x4c4105
lea ecx, [esp + 0x1c]
xor eax, eax
push ecx
lea ecx, [ebx + 0x90]
mov word [esp + 0x20], ax
mov dword [esp + 0x24], 1
mov dword [esp + 0x28], eax
mov dword [esp + 0x2c], eax
call fcn.004c2000
test eax, eax
jne 0x4c426a
mov ebx, 0x7d
xor eax, eax
lea edx, [esp + 0x3c]
mov dword [esp + 0x44], eax
mov dword [esp + 0x48], eax
mov eax, dword [esp + 0x18]
push edx
mov word [esp + 0x40], bx
mov dword [esp + 0x44], 1
lea ecx, [eax + 0x90]
call fcn.004c2000
test eax, eax
jne 0x4c4266
mov ecx, dword [esp + 0x18]
add ecx, 0x90
mov ax, word [ecx]
mov dl, al
and edx, 0xff
cmp dx, ax
jne 0x4c419a
mov byte [esp + 0x8c], al
jmp 0x4c41a2
mov byte [esp + 0x8c], 0
push 1
lea ecx, [esp + 0x90]
push 1
push ecx
lea ecx, [esp + 0x38]
call fcn.004c96b0
mov edx, dword [esp + 0x18]
mov ecx, edi
lea eax, [edx + 0x90]
mov edx, dword [edx + 0x90]
mov dword [ecx], edx
mov edx, dword [eax + 4]
mov dword [ecx + 4], edx
mov edx, dword [eax + 8]
mov dword [ecx + 8], edx
mov edx, dword [esp + 0x18]
mov eax, dword [eax + 0xc]
mov dword [ecx + 0xc], eax
mov ecx, esi
lea eax, [edx + 0x90]
mov edx, dword [ecx]
mov dword [eax], edx
mov edx, dword [ecx + 4]
mov dword [eax + 4], edx
mov edx, dword [ecx + 8]
mov dword [eax + 8], edx
mov edx, ebp
mov ecx, dword [ecx + 0xc]
mov dword [eax + 0xc], ecx
mov ecx, dword [edx]
mov eax, esi
mov dword [eax], ecx
mov ecx, dword [edx + 4]
mov dword [eax + 4], ecx
mov ecx, dword [edx + 8]
mov edx, dword [edx + 0xc]
mov dword [eax + 8], ecx
mov ecx, dword [esp + 0x18]
mov dword [eax + 0xc], edx
call fcn.004c2030
test eax, eax
jne 0x4c4233
mov ecx, dword [esp + 0x18]
call fcn.004c2030
test eax, eax
je 0x4c4226
mov ecx, dword [esp + 0x18]
xor eax, eax
mov word [esp + 0x1c], ax
mov dword [esp + 0x24], eax
mov dword [esp + 0x28], eax
lea eax, [esp + 0x1c]
push eax
add ecx, 0x90
mov dword [esp + 0x24], 1
call fcn.004c2000
test eax, eax
je 0x4c4144
mov ebx, dword [esp + 0x18]
lea eax, [ebx + 0x90]
mov edx, eax
mov ecx, dword [edx]
mov dword [edi], ecx
mov ecx, dword [edx + 4]
mov dword [edi + 4], ecx
mov ecx, dword [edx + 8]
mov dword [edi + 8], ecx
mov ecx, esi
mov edx, dword [edx + 0xc]
mov dword [edi + 0xc], edx
mov edx, dword [ecx]
mov dword [eax], edx
mov edx, dword [ecx + 4]
mov dword [eax + 4], edx
mov edx, dword [ecx + 8]
mov dword [eax + 8], edx
mov edx, dword [ebp]
mov ecx, dword [ecx + 0xc]
mov dword [esi], edx
mov edx, dword [ebp + 0xc]
mov dword [eax + 0xc], ecx
mov eax, dword [ebp + 4]
mov ecx, dword [ebp + 8]
mov dword [esi + 4], eax
mov dword [esi + 8], ecx
mov ecx, ebx
mov dword [esi + 0xc], edx
call fcn.004c2030
test eax, eax
jne 0x4c42cd
mov ecx, ebx
call fcn.004c2030
test eax, eax
je 0x4c42c2
mov esi, dword [esp + 0x30]
test esi, esi
jne 0x4c42da
mov esi, 0x648d8c
mov al, byte [esi]
xor edi, edi
test al, al
je 0x4c42fc
movsx eax, byte [edi + esi]
push eax
call fcn.004e718c
add esp, 4
test eax, eax
je 0x4c42fc
mov al, byte [edi + esi + 1]
inc edi
test al, al
jne 0x4c42e2
mov al, byte [edi + esi]
cmp al, 0x30
jl 0x4c4363
cmp al, 0x39
jg 0x4c4363
lea ecx, [edi + 6]
xor ebp, ebp
cmp edi, ecx
mov dword [esp + 0x10], ebp
jae 0x4c4333
mov al, byte [edi + esi]
cmp al, 0x30
jl 0x4c432f
cmp al, 0x39
jg 0x4c432f
movsx eax, al
lea edx, [ebp + ebp*4]
inc edi
cmp edi, ecx
lea ebp, [eax + edx*2 - 0x30]
jb 0x4c4314
mov dword [esp + 0x10], ebp
mov al, byte [edi + esi]
test al, al
je 0x4c4353
movsx ecx, al
push ecx
call fcn.004e718c
add esp, 4
test eax, eax
je 0x4c4353
mov al, byte [edi + esi + 1]
inc edi
test al, al
jne 0x4c433a
mov al, byte [esi + edi]
add esi, edi
cmp al, 0x2c
je 0x4c43ac
mov eax, 1
jmp 0x4c4369
mov ebp, dword [esp + 0x10]
xor eax, eax
cmp eax, 2
mov edi, ebp
jne 0x4c437f
mov edi, 0x7fffffff
mov eax, dword [esp + 0x10]
cmp edi, eax
jae 0x4c437f
mov edi, eax
mov eax, dword [esp + 0x30]
mov dword [esp + 0x84], 0xffffffff
test eax, eax
mov dword [esp + 0x2c], 0x648d90
je 0x4c4530
push eax
call fcn.004e7d4e
add esp, 4
jmp 0x4c4530
mov al, byte [esi + 1]
inc esi
xor ebp, ebp
test al, al
je 0x4c43d0
movsx edx, byte [esi + ebp]
push edx
call fcn.004e718c
add esp, 4
test eax, eax
je 0x4c43d0
mov al, byte [esi + ebp + 1]
inc ebp
test al, al
jne 0x4c43b6
mov al, byte [esi + ebp]
cmp al, 0x30
jl 0x4c4370
cmp al, 0x39
jg 0x4c4370
lea edx, [ebp + 6]
xor edi, edi
cmp ebp, edx
mov eax, ebp
jae 0x4c4402
mov cl, byte [eax + esi]
cmp cl, 0x30
jl 0x4c4402
cmp cl, 0x39
jg 0x4c4402
movsx ecx, cl
lea edi, [edi + edi*4]
inc eax
cmp eax, edx
lea edi, [ecx + edi*2 - 0x30]
jb 0x4c43e6
add esi, eax
cmp byte [esi], 0
je 0x4c4375
movsx edx, byte [esi]
push edx
call fcn.004e718c
add esp, 4
test eax, eax
je 0x4c4375
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x4c440d
jmp 0x4c4375
mov ecx, ebp
lea eax, [ebx + 0x80]
mov dword [esp + 0x10], edi
mov edi, 1
mov edx, dword [ecx]
mov dword [eax], edx
mov edx, dword [ecx + 4]
mov dword [eax + 4], edx
mov edx, dword [ecx + 8]
mov dword [eax + 8], edx
mov ecx, dword [ecx + 0xc]
mov dword [eax + 0xc], ecx
lea eax, [ebx + 0xa0]
mov edx, eax
mov ecx, dword [edx]
mov dword [ebp], ecx
mov ecx, dword [edx + 4]
mov dword [ebp + 4], ecx
mov ecx, dword [edx + 8]
mov dword [ebp + 8], ecx
lea ecx, [ebx + 0xb0]
mov edx, dword [edx + 0xc]
mov dword [ebp + 0xc], edx
mov edx, dword [ecx]
mov dword [eax], edx
mov edx, dword [ecx + 4]
mov dword [eax + 4], edx
mov edx, dword [ecx + 8]
mov dword [eax + 8], edx
mov ecx, dword [ecx + 0xc]
mov dword [eax + 0xc], ecx
mov ecx, ebx
call fcn.004c2030
test eax, eax
jne 0x4c44b8
mov ecx, ebx
call fcn.004c2030
test eax, eax
je 0x4c449b
jmp 0x4c44b8
mov dword [esp + 0x10], edi
mov ecx, ebx
mov edi, 0x7fffffff
call fcn.004c4760
push 0
push 0
push 1
push 0x3f
lea ecx, [esp + 0x7c]
call fcn.004c1110
lea esi, [ebx + 0x90]
push eax
mov ecx, esi
call fcn.004c2000
test eax, eax
je 0x4c45ca
mov ecx, ebx
call fcn.004c4760
push 0x10
call fcn.004f7a2c
add esp, 4
mov dword [esp + 0x8c], eax
test eax, eax
mov dword [esp + 0x84], 4
je 0x4c465a
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
push edi
push ecx
push edx
mov ecx, eax
call fcn.004c4b70
mov esi, eax
jmp 0x4c465c
mov dword [esp + 0x10], 1
jmp 0x4c44ac
test edi, edi
jne 0x4c4541
push edi
mov ecx, ebx
call fcn.004c2f70
jmp 0x4c4667
mov ebp, dword [esp + 0x10]
cmp ebp, edi
jne 0x4c44b8
push 0
push 0
push 1
push 0x3f
lea ecx, [esp + 0x7c]
call fcn.004c1110
lea esi, [ebx + 0x90]
push eax
mov ecx, esi
call fcn.004c2000
test eax, eax
jne 0x4c458b
push eax
push eax
push 1
push 0x2b
lea ecx, [esp + 0x7c]
call fcn.004c1110
push eax
mov ecx, esi
call fcn.004c2000
test eax, eax
je 0x4c4592
mov ecx, ebx
call fcn.004c4760
push 0xc
call fcn.004f7a2c
add esp, 4
mov dword [esp + 0x8c], eax
test eax, eax
mov dword [esp + 0x84], 3
je 0x4c465a
mov edx, dword [esp + 0x14]
push ebp
push edx
mov ecx, eax
call fcn.004c4a70
mov esi, eax
jmp 0x4c465c
push 0
push 0
push 1
push 0x2b
lea ecx, [esp + 0x7c]
call fcn.004c1110
push eax
mov ecx, esi
call fcn.004c2000
test eax, eax
je 0x4c4624
mov ecx, ebx
call fcn.004c4760
push 0x10
call fcn.004f7a2c
add esp, 4
mov dword [esp + 0x8c], eax
test eax, eax
mov dword [esp + 0x84], 5
je 0x4c465a
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
push edi
push ecx
push edx
mov ecx, eax
call fcn.004c5120
mov esi, eax
jmp 0x4c465c
push 0x10
call fcn.004f7a2c
add esp, 4
mov dword [esp + 0x8c], eax
test eax, eax
mov dword [esp + 0x84], 6
je 0x4c465a
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
push edi
push ecx
push edx
mov ecx, eax
call fcn.004c4e30
mov esi, eax
jmp 0x4c465c
xor esi, esi
push esi
lea ecx, [ebx + 0x14]
call fcn.004c9f70
mov eax, esi
mov ecx, dword [esp + 0x7c]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x78
ret 4