Function at 0x4d8d40
Capabilities:
Parse credit card information

Disassembly:
push 0xffffffffffffffff
push 0x6149d9
mov eax, dword fs:[0]
push eax
sub esp, 0x24
push ebx
push ebp
push esi
push edi
mov eax, dword [0x69e3d4]
xor eax, esp
push eax
lea eax, [esp + 0x38]
mov dword fs:[0], eax
mov dword [esp + 0x24], ecx
mov eax, dword [esp + 0x4c]
test eax, eax
mov dword [esp + 0x18], 0
mov dword [0x6bd088], 0
je 0x4d8d8b
mov dword [eax], 0
mov eax, dword [ecx + 0x28]
add ecx, 0x28
push eax
mov eax, dword [esp + 0x4c]
push eax
call fcn.005a5af0
mov esi, eax
add esp, 8
test esi, esi
je 0x4d91ed
mov ecx, esi
sub ecx, dword [esp + 0x48]
cmp ecx, 2
jge 0x4d8dbc
add esi, 2
jmp 0x4d91d0
sub esi, 2
mov eax, esi
lea edx, [eax + 1]
mov cl, byte [eax]
add eax, 1
test cl, cl
jne 0x4d8dc4
sub eax, edx
cmp eax, 0x44
jb 0x4d91ed
movsx edx, byte [esi + 5]
push edx
push str.PSWpsw
call fcn.005a6320
add esp, 8
test eax, eax
jne 0x4d8df6
add esi, 4
jmp 0x4d91d0
mov edi, 6
jmp 0x4d8e00
movsx eax, byte [edi + esi]
push eax
call fcn.005a6165
add esp, 4
test eax, eax
jne 0x4d8e14
add esi, 4
add edi, 1
cmp edi, 0xc
jl 0x4d8e00
xor edi, edi
cmp byte [esi + 0xc], 0x2d
jne 0x4d8e6e
movsx eax, byte [esi + 0xd]
lea ebp, [esi + 0xd]
push eax
mov edi, 1
call fcn.005a6165
add esp, 4
test eax, eax
je 0x4d8e66
lea ecx, [ecx]
add ebp, 1
cmp edi, 8
jge 0x4d8e5c
movsx eax, byte [ebp]
push eax
add edi, 1
call fcn.005a6165
add esp, 4
test eax, eax
jne 0x4d8e40
cmp edi, 2
jl 0x4d8e66
cmp edi, 7
jle 0x4d8e6e
add esi, 4
jmp 0x4d91d0
push 0x400
push esi
push 0x6be978
mov dword [esp + 0x28], esi
call fcn.005aa4f0
lea eax, [edi + 0xc]
mov ebx, 0x6be978
add edi, 0x44
add esp, 0xc
lea esi, [eax + 0x6be978]
mov byte [0x6bed77], 0
mov dword [esp + 0x28], ebx
mov dword [0x6a5d68], eax
mov dword [0x6a5d6c], edi
call fcn.004e0c30
mov ebp, dword [0x6a5d68]
xor edi, edi
cmp byte [ebp + 0x6be978], 0x5b
lea ebp, [ebp + 0x6be978]
mov dword [esp + 0x20], edi
jne 0x4d8f5b
push 0x5d
push ebp
call fcn.005a6320
add esp, 8
test eax, eax
jne 0x4d8eeb
mov esi, dword [esp + 0x1c]
add esi, 4
jmp 0x4d91d0
lea esi, [ebp + 1]
call fcn.004e0c30
push 0x5d
push ebp
call fcn.005a6320
mov esi, eax
add esp, 8
cmp ebp, esi
mov edi, ebp
jae 0x4d8f2c
cmp byte [edi], 0x20
ja 0x4d8f25
mov byte [edi], 0x20
add edi, 1
mov esi, edi
call fcn.004e0c30
push 0x5d
push ebp
call fcn.005a6320
add esp, 8
mov esi, eax
add edi, 1
cmp edi, esi
jb 0x4d8f06
cmp byte [esi - 1], 0x20
ja 0x4d8f3a
add esi, 0xffffffff
call fcn.004e0c30
add esi, 1
mov edi, esi
sub edi, ebp
cmp edi, 5
mov dword [esp + 0x20], edi
jge 0x4d8f56
mov esi, dword [esp + 0x1c]
add esi, 4
jmp 0x4d91d0
call fcn.004e0c30
mov ecx, dword [0x6a5d68]
mov al, byte [ecx + edi + 0x6be978]
cmp al, 0x3d
lea esi, [ecx + edi + 0x6be978]
je 0x4d8f83
cmp al, 0x3a
je 0x4d8f83
mov esi, dword [esp + 0x1c]
add esi, 4
jmp 0x4d91d0
mov eax, 0x6be978
add esi, 1
lea edx, [eax + 1]
mov edi, edi
mov cl, byte [eax]
add eax, 1
test cl, cl
jne 0x4d8f90
sub eax, edx
lea edx, [eax + 0x6be978]
cmp esi, edx
jae 0x4d8fd5
cmp byte [esi], 0x20
ja 0x4d8faf
call fcn.004e0c30
mov eax, 0x6be978
add esi, 1
lea edx, [eax + 1]
lea ebx, [ebx]
mov cl, byte [eax]
add eax, 1
test cl, cl
jne 0x4d8fc0
sub eax, edx
lea eax, [eax + 0x6be978]
cmp esi, eax
jb 0x4d8fa5
mov ecx, dword [0x6a5d6c]
mov al, byte [ecx + edi + 0x6be977]
cmp al, 0x3d
je 0x4d8ff6
cmp al, 0x3a
je 0x4d8ff6
mov esi, dword [esp + 0x1c]
add esi, 4
jmp 0x4d91d0
mov esi, dword [0x6a5d68]
add esi, 1
add ecx, 0xffffffff
cmp esi, ecx
jge 0x4d9040
mov ebp, dword [esp + 0x1c]
add edi, esi
lea esp, [esp]
movsx ecx, byte [edi + ebx]
push ecx
push str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789__
call fcn.005a6320
add esp, 8
test eax, eax
jne 0x4d9029
lea ebx, [ebp + 4]
mov edx, dword [0x6a5d6c]
add esi, 1
add edx, 0xffffffff
add edi, 1
cmp esi, edx
jl 0x4d9010
mov dword [esp + 0x28], ebx
lea ecx, [esp + 0x14]
call fcn.004014a0
push 0x6978
lea ecx, [esp + 0x18]
mov dword [esp + 0x44], 0
call fcn.00404fb0
lea eax, [esp + 0x14]
push 0x65bdc8
push eax
call fcn.00407390
add esp, 8
test al, al
je 0x4d908b
mov ecx, dword [esp + 0x14]
push ecx
push ebx
call fcn.005a5af0
add esp, 8
cmp eax, ebx
jne 0x4d92a3
push 0x641d28
lea ecx, [esp + 0x18]
call fcn.004015c0
push 0x697f
lea ecx, [esp + 0x18]
call fcn.00404fb0
lea edx, [esp + 0x14]
push edx
mov ecx, 0x646c30
call fcn.004011f0
add esp, 4
test al, al
je 0x4d90f7
push ebx
lea ecx, [esp + 0x38]
call fcn.00404eb0
push 2
lea ecx, [esp + 0x34]
push ecx
mov byte [esp + 0x48], 1
or dword [esp + 0x20], 1
mov ecx, eax
call fcn.004103b0
mov ecx, dword [eax]
or dword [esp + 0x18], 2
lea esi, [esp + 0x14]
call fcn.00413cf0
test eax, eax
jge 0x4d90f7
mov bl, 1
jmp 0x4d90f9
xor bl, bl
test byte [esp + 0x18], 2
je 0x4d910e
and dword [esp + 0x18], 0xfffffffd
lea ecx, [esp + 0x30]
call fcn.00401280
mov dword [esp + 0x40], 0
test byte [esp + 0x18], 1
je 0x4d912b
and dword [esp + 0x18], 0xfffffffe
lea ecx, [esp + 0x34]
call fcn.00401280
test bl, bl
jne 0x4d92a3
mov eax, dword [esp + 0x4c]
test eax, eax
je 0x4d9141
mov edx, dword [esp + 0x20]
mov dword [eax], edx
mov eax, dword [0x6bc8dc]
or ecx, 0xffffffff
xor ebx, ebx
test eax, eax
mov dword [esp + 0x2c], ecx
mov dword [esp + 0x20], ecx
je 0x4d91b2
mov ebp, dword [esp + 0x28]
jmp 0x4d9160
mov esi, ebp
xor edi, edi
xor ecx, ecx
sub esi, eax
mov dl, byte [eax]
cmp dl, byte [esi + eax]
jne 0x4d9174
add edi, 1
jmp 0x4d9179
cmp dl, 0x3f
jne 0x4d9186
add ecx, 1
add eax, 1
cmp ecx, 6
jl 0x4d9168
jmp 0x4d9189
or edi, 0xffffffff
cmp edi, dword [esp + 0x2c]
jle 0x4d9197
mov dword [esp + 0x2c], edi
mov dword [esp + 0x20], ebx
mov eax, dword [ebx*4 + 0x6bc8e0]
add ebx, 1
test eax, eax
jne 0x4d9160
cmp dword [esp + 0x20], eax
jge 0x4d92b9
or ecx, 0xffffffff
mov esi, dword [esp + 0x1c]
mov dword [esp + 0x40], ecx
lea ecx, [esp + 0x14]
mov dword [0x6bd08c], 0
add esi, 4
call fcn.00401280
mov eax, dword [esp + 0x24]
add eax, 0x28
mov eax, dword [eax]
push eax
push esi
call fcn.005a5af0
mov esi, eax
add esp, 8
test esi, esi
jne 0x4d8da9
cmp dword [0x6be348], 0
jne 0x4d92f1
mov edi, dword [esp + 0x24]
mov eax, dword [edi + 0x28]
lea ebx, [edi + 0x28]
sub eax, 0x10
push eax
call fcn.00401de0
add eax, 0x10
add esp, 4
mov dword [esp + 0x20], eax
mov dword [esp + 0x40], 2
xor esi, esi
xor ebp, ebp
mov dword [0x6be348], 1
add edi, 0x2c
push edi
mov ecx, 0x641d28
call fcn.004011f0
add esp, 4
test al, al
je 0x4d927c
test esi, esi
jne 0x4d927c
push edi
mov ecx, ebx
call fcn.004074c0
mov edx, dword [esp + 0x4c]
mov eax, dword [esp + 0x48]
mov ecx, dword [esp + 0x24]
push edx
push eax
call fcn.004d8d40
mov esi, eax
test esi, esi
je 0x4d9271
mov dword [0x6bd088], 1
add ebp, 1
add edi, 4
cmp ebp, 0xa
jl 0x4d9230
lea ecx, [esp + 0x20]
push ecx
mov ecx, ebx
call fcn.004074e0
test esi, esi
mov dword [0x6be348], 0
je 0x4d92da
lea ecx, [esp + 0x20]
call fcn.00401280
mov eax, esi
jmp 0x4d92f3
lea ecx, [esp + 0x14]
mov dword [esp + 0x40], 0xffffffff
call fcn.00401280
jmp 0x4d91ed
mov eax, dword [esp + 0x20]
mov ecx, dword [eax*4 + 0x6bc8dc]
add ecx, 6
mov dword [0x6bd08c], ecx
lea ecx, [esp + 0x14]
call fcn.00401280
mov eax, ebp
jmp 0x4d92f3
mov eax, dword [esp + 0x4c]
test eax, eax
je 0x4d92e8
mov dword [eax], 0
lea ecx, [esp + 0x20]
call fcn.00401280
xor eax, eax
mov ecx, dword [esp + 0x38]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x30
ret 8