Function at 0x4393da
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
push ebx
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
xor eax, eax
cmp edi, eax
jne 0x4393f9
push 0x80004005
call fcn.00401000
cmp esi, eax
je 0x4393ef
cmp edi, esi
je 0x4393ef
mov bl, byte [edi]
lea ecx, [esi + 0x823]
mov dword [ebp - 4], eax
mov dword [ebp - 8], 1
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x10], eax
mov dword [ebp - 0xc], 0x20
mov dword [ebp - 0x1c], esi
mov dword [ebp - 0x14], ecx
test bl, bl
je 0x439662
inc edi
cmp dword [ebp - 4], 0x823
mov dword [ebp + 8], edi
jne 0x43943e
mov dword [ebp - 8], eax
cmp bl, 0x3a
jne 0x4394b0
test byte [ebp - 0xc], 0x80
je 0x439511
cmp dword [ebp - 0x10], eax
jne 0x439511
cmp dword [ebp - 8], eax
je 0x4394a7
mov eax, esi
sub eax, dword [ebp - 4]
mov byte [esi], 0
cmp eax, dword [ebp - 0x1c]
jb 0x4393ef
cmp eax, dword [ebp - 0x14]
ja 0x4393ef
mov ecx, dword [ebp - 0x14]
sub ecx, eax
inc ecx
push ecx
push eax
call fcn.004446cd
push eax
call fcn.00405790
add esp, 0xc
cmp dword [ebp - 4], 4
jne 0x4394a7
push 4
lea eax, [esi - 4]
push eax
push str.file
call fcn.00442a09
add esp, 0xc
test eax, eax
jne 0x4394a7
mov dword [ebp - 0x18], 1
mov eax, dword [ebp - 4]
inc eax
mov dword [ebp - 0x10], eax
jmp 0x439511
cmp bl, 0x25
jne 0x4394fd
test byte [ebp - 0xc], 4
je 0x439511
mov al, byte [edi]
test al, al
je 0x439653
inc edi
call fcn.004392b0
movzx ebx, ax
test bx, bx
jl 0x439649
mov al, byte [edi]
test al, al
je 0x439653
inc edi
mov dword [ebp + 8], edi
call fcn.004392b0
movzx eax, ax
test ax, ax
jl 0x43964f
shl bl, 4
add bl, al
jmp 0x439511
cmp bl, 0x3f
je 0x439507
cmp bl, 0x23
jne 0x439511
test byte [ebp - 0xc], 0x20
je 0x439511
or dword [ebp - 0xc], 2
mov eax, dword [ebp - 0xc]
test al, al
jns 0x43957c
test al, 2
jne 0x43957c
cmp bl, 0x5c
jne 0x439543
xor ecx, ecx
cmp dword [ebp - 0x10], ecx
jne 0x43952f
test eax, 0x100
je 0x43957c
cmp dword [ebp - 8], ecx
je 0x43957c
cmp dword [ebp - 0x18], ecx
je 0x43953f
cmp dword [ebp - 4], 7
jae 0x43957c
mov bl, 0x2f
jmp 0x43957c
cmp bl, 0x2e
jne 0x43957c
mov ecx, dword [ebp - 4]
test ecx, ecx
jbe 0x43957c
test al, 8
jne 0x43957c
push dword [ebp - 0x10]
lea edx, [ebp + 0xc]
push eax
lea eax, [ebp - 4]
push eax
lea eax, [ebp + 8]
push eax
lea eax, [esi - 1]
push edx
call fcn.0043930f
mov esi, dword [ebp + 0xc]
mov edi, dword [ebp + 8]
add esp, 0x14
test eax, eax
jne 0x43963c
movzx ecx, bl
cmp ecx, 0x40
jg 0x4395a4
cmp ecx, 0x3b
jge 0x4395c5
cmp ecx, 0x20
je 0x4395c5
cmp ecx, 0x21
jle 0x4395bb
cmp ecx, 0x26
jle 0x4395c5
cmp ecx, 0x2a
jle 0x4395bb
cmp ecx, 0x2c
jle 0x4395c5
jmp 0x4395bb
cmp ecx, 0x5b
jl 0x4395bb
cmp ecx, 0x5e
jle 0x4395c5
cmp ecx, 0x60
je 0x4395c5
lea eax, [ecx - 0x7b]
cmp eax, 2
jbe 0x4395c5
cmp bl, 0x20
jb 0x4395c5
cmp bl, 0x7e
jbe 0x43962d
mov al, byte [ebp - 0xc]
test al, 2
jne 0x43962d
test al, 0x10
je 0x4395d5
cmp bl, 0x20
jne 0x43962d
test al, 8
je 0x4395de
cmp bl, 0x2e
je 0x43962d
test al, 0x40
jne 0x4395e7
cmp bl, 0x25
je 0x43962d
cmp dword [ebp - 4], 0x820
jb 0x4395f4
and dword [ebp - 8], 0
cmp dword [ebp - 8], 0
je 0x439627
mov byte [esi], 0x25
lea eax, [esi + 1]
cmp bl, 0x10
jae 0x439609
mov byte [eax], 0x30
inc eax
mov edx, dword [ebp - 0x14]
push 0x10
sub edx, eax
push edx
push eax
push ecx
call fcn.004444fc
push eax
call fcn.00405790
add esp, 0x14
add esi, 3
mov dword [ebp + 0xc], esi
add dword [ebp - 4], 2
jmp 0x439639
cmp dword [ebp - 8], 0
je 0x439639
mov byte [esi], bl
inc esi
mov dword [ebp + 0xc], esi
inc dword [ebp - 4]
mov bl, byte [edi]
test bl, bl
je 0x439653
xor eax, eax
jmp 0x43942e
and dword [ebp - 8], 0
jmp 0x439665
and dword [ebp - 8], 0
cmp dword [ebp - 8], 0
je 0x439665
cmp dword [ebp - 4], 0x823
jae 0x439665
mov byte [esi], 0
mov eax, dword [ebp - 4]
pop edi
inc eax
pop esi
pop ebx
cmp eax, 0x823
jbe 0x439677
and dword [ebp - 8], 0
mov eax, dword [ebp - 8]
leave
ret