Function at 0x420970
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
push ebx
push esi
mov eax, ecx
mov esi, edx
mov dword [ebp - 0xc], esi
push edi
test eax, eax
je 0x420c90
test esi, esi
je 0x420c90
cmp eax, esi
je 0x420c90
mov bl, byte [eax]
xor edi, edi
xor edx, edx
mov dword [ebp - 0x18], edi
mov dword [ebp - 0x1c], edi
mov ecx, 1
mov dword [ebp - 4], ecx
mov dword [ebp - 8], edi
mov dword [ebp - 0x10], edx
mov dword [ebp - 0x20], esi
test bl, bl
je 0x420c7d
mov dword [ebp - 0x28], ecx
inc eax
mov dword [ebp - 4], 0
cmp edi, dword [ebp + 0xc]
mov dword [ebp - 0x24], eax
cmove ecx, dword [ebp - 4]
mov dword [ebp - 0x14], eax
mov dword [ebp - 4], ecx
cmp bl, 0x3a
jne 0x420a58
test dl, dl
jns 0x420b0d
cmp dword [ebp - 8], 0
jne 0x420b0d
test ecx, ecx
je 0x420a4d
mov ecx, esi
mov byte [esi], 0
sub ecx, edi
cmp ecx, dword [ebp - 0x20]
jb 0x420c90
mov eax, dword [ebp + 0xc]
add eax, dword [ebp - 0x20]
mov esi, dword [ebp - 0xc]
cmp ecx, eax
ja 0x420c90
sub eax, ecx
inc eax
push eax
push ecx
call fcn.00471663
push eax
call fcn.0041cc20
add esp, 0xc
cmp edi, 4
jne 0x420a4a
push edi
lea eax, [esi - 4]
push eax
push str.file
call fcn.004716c0
mov ecx, dword [ebp - 0x1c]
add esp, 0xc
test eax, eax
cmove ecx, dword [ebp - 0x28]
mov dword [ebp - 0x1c], ecx
mov edx, dword [ebp - 0x10]
lea ecx, [edi + 1]
mov dword [ebp - 8], ecx
jmp 0x420b10
cmp bl, 0x25
jne 0x420b3f
test dl, 4
je 0x420b0d
mov cl, byte [eax]
test cl, cl
je 0x420c7a
inc eax
mov dword [ebp - 0x24], eax
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x420a88
movzx eax, cl
sub ax, 0x30
jmp 0x420aaa
lea eax, [ecx - 0x41]
cmp al, 5
ja 0x420a98
movzx eax, cl
sub ax, 0x37
jmp 0x420aaa
lea eax, [ecx - 0x61]
cmp al, 5
ja 0x420c58
movzx eax, cl
sub ax, 0x57
movzx ebx, ax
test bx, bx
js 0x420c58
mov eax, dword [ebp - 0x24]
shl bl, 4
mov cl, byte [eax]
test cl, cl
je 0x420c7a
inc eax
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x14], eax
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x420add
movzx eax, cl
sub ax, 0x30
jmp 0x420aff
lea eax, [ecx - 0x41]
cmp al, 5
ja 0x420aed
movzx eax, cl
sub ax, 0x37
jmp 0x420aff
lea eax, [ecx - 0x61]
cmp al, 5
ja 0x420c51
movzx eax, cl
sub ax, 0x57
movzx eax, ax
test ax, ax
js 0x420c51
add bl, al
mov ecx, dword [ebp - 8]
mov eax, edx
and al, 0x82
cmp al, 0x80
jne 0x420b97
cmp bl, 0x5c
jne 0x420b59
test ecx, ecx
jne 0x420b29
test edx, 0x100
je 0x420b97
mov ecx, dword [ebp - 4]
test ecx, ecx
je 0x420b9a
cmp dword [ebp - 0x1c], 0
je 0x420b3b
cmp edi, 7
jae 0x420b9a
mov bl, 0x2f
jmp 0x420b9a
cmp bl, 0x3f
je 0x420b49
cmp bl, 0x23
jne 0x420b0d
mov ecx, dword [ebp - 8]
test dl, 0x20
je 0x420b10
or edx, 2
mov dword [ebp - 0x10], edx
jmp 0x420b10
cmp bl, 0x2e
jne 0x420b97
test edi, edi
je 0x420b97
test dl, 8
jne 0x420b97
push ecx
push edx
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x14]
push eax
push edi
lea edx, [esi - 1]
lea ecx, [ebp - 0xc]
call fcn.00420870
mov esi, dword [ebp - 0xc]
add esp, 0x14
mov edi, dword [ebp - 0x18]
test eax, eax
mov eax, dword [ebp - 0x14]
jne 0x420c40
mov edx, dword [ebp - 0x10]
mov dword [ebp - 0x24], eax
mov ecx, dword [ebp - 4]
movzx eax, bl
mov dword [ebp - 0x18], eax
add eax, 0xffffffe0
cmp eax, 0x5d
ja case.0x420baf.33
movzx eax, byte [eax + 0x420ca4]
jmp dword [eax*4 + 0x420c9c]
lea eax, [ebx - 0x20]
cmp al, 0x5e
jbe 0x420c2f
test dl, 2
jne 0x420c2f
test dl, 0x10
je 0x420bcc
cmp bl, 0x20
jne 0x420c2f
test dl, 8
je 0x420bd6
cmp bl, 0x2e
je 0x420c2f
test dl, 0x40
jne 0x420be0
cmp bl, 0x25
je 0x420c2f
mov edx, dword [ebp + 0xc]
lea eax, [edx - 3]
cmp edi, eax
jb 0x420bf4
xor edx, edx
add edi, 2
mov dword [ebp - 4], edx
jmp 0x420c39
test ecx, ecx
je 0x420c2a
mov byte [esi], 0x25
lea ecx, [esi + 1]
cmp bl, 0x10
jae 0x420c07
mov byte [ecx], 0x30
inc ecx
mov ebx, dword [ebp - 0x20]
push 0x10
lea eax, [edx + ebx]
sub eax, ecx
push eax
push ecx
push dword [ebp - 0x18]
call fcn.0047192e
push eax
call fcn.0041cc20
add esp, 0x14
add esi, 3
mov dword [ebp - 0xc], esi
add edi, 2
jmp 0x420c39
test ecx, ecx
je 0x420c39
mov byte [esi], bl
inc esi
mov dword [ebp - 0xc], esi
mov eax, dword [ebp - 0x24]
inc edi
mov dword [ebp - 0x18], edi
mov bl, byte [eax]
mov ecx, dword [ebp - 4]
test bl, bl
je 0x420c7d
mov edx, dword [ebp - 0x10]
jmp 0x4209c0
xor ecx, ecx
mov dword [ebp - 4], ecx
jmp 0x420c7d
xor edx, edx
mov ebx, dword [ebp + 0xc]
mov ecx, dword [ebp + 8]
test ecx, ecx
je 0x420c69
lea eax, [edi + 1]
mov dword [ecx], eax
lea ecx, [edi + 1]
xor eax, eax
pop edi
cmp ecx, ebx
pop esi
cmovbe eax, edx
pop ebx
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
mov edx, dword [ebp - 4]
test ecx, ecx
je 0x420c5a
mov ebx, dword [ebp + 0xc]
cmp edi, ebx
jae 0x420c5d
mov byte [esi], 0
jmp 0x420c5d
push 0x80004005
call fcn.0041d300
nop
mov ebp, 0xb600420b
or eax, dword [edx]
add byte [ecx], al
add byte [eax], al
add byte [eax], al
add byte [ecx], al
add dword [ecx], eax
add dword [eax], eax
add byte [ecx], al
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [eax], eax
add byte [eax], al
add byte [eax], al
add byte [ecx], al
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [eax], eax
add byte [eax], al
add byte [ecx], al
add byte [ecx], al
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [eax], eax
add byte [eax], al
int3