Function at 0x4915f0
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 0x491924
test esi, esi
je 0x491924
cmp eax, esi
je 0x491924
mov ebx, esi
xor edi, edi
mov dword [ebp - 0x24], ebx
mov ecx, 1
mov bl, byte [eax]
mov edx, 0x20
mov dword [ebp - 0x18], edi
mov dword [ebp - 4], ecx
mov dword [ebp - 0x1c], edi
mov dword [ebp - 8], edi
mov dword [ebp - 0x10], edx
test bl, bl
je 0x4918f1
mov dword [ebp - 0x28], ecx
nop word [eax + eax]
inc eax
mov dword [ebp - 4], 0
cmp edi, 0x823
mov dword [ebp - 0x20], eax
mov dword [ebp - 0x14], eax
cmove ecx, dword [ebp - 4]
mov dword [ebp - 4], ecx
cmp bl, 0x3a
jne 0x4916ea
test dl, dl
jns 0x49179f
cmp dword [ebp - 8], 0
jne 0x49179f
test ecx, ecx
je 0x4916df
mov edx, dword [ebp - 0x24]
mov ecx, esi
sub ecx, edi
mov byte [esi], 0
cmp ecx, edx
jb 0x491924
lea eax, [edx + 0x823]
cmp ecx, eax
ja 0x491924
sub eax, ecx
inc eax
push eax
push ecx
call fcn.005823a9
push eax
call fcn.004012e0
add esp, 0xc
cmp edi, 4
jne 0x4916dc
push edi
lea eax, [esi - 4]
push eax
push 0x5d12bc
call fcn.00582440
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 0x4917a2
cmp bl, 0x25
jne 0x4917d1
test dl, 4
je 0x49179f
mov cl, byte [eax]
test cl, cl
je 0x4918ee
inc eax
mov dword [ebp - 0x20], eax
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x49171a
movzx eax, cl
sub ax, 0x30
jmp 0x49173c
lea eax, [ecx - 0x41]
cmp al, 5
ja 0x49172a
movzx eax, cl
sub ax, 0x37
jmp 0x49173c
lea eax, [ecx - 0x61]
cmp al, 5
ja 0x4918ea
movzx eax, cl
sub ax, 0x57
movzx ebx, ax
test bx, bx
js 0x4918ea
mov eax, dword [ebp - 0x20]
shl bl, 4
mov cl, byte [eax]
test cl, cl
je 0x4918ee
inc eax
mov dword [ebp - 0x20], eax
mov dword [ebp - 0x14], eax
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x49176f
movzx eax, cl
sub ax, 0x30
jmp 0x491791
lea eax, [ecx - 0x41]
cmp al, 5
ja 0x49177f
movzx eax, cl
sub ax, 0x37
jmp 0x491791
lea eax, [ecx - 0x61]
cmp al, 5
ja 0x4918e3
movzx eax, cl
sub ax, 0x57
movzx eax, ax
test ax, ax
js 0x4918e3
add bl, al
mov ecx, dword [ebp - 8]
mov eax, edx
and al, 0x82
cmp al, 0x80
jne 0x491829
cmp bl, 0x5c
jne 0x4917eb
test ecx, ecx
jne 0x4917bb
test edx, 0x100
je 0x491829
mov ecx, dword [ebp - 4]
test ecx, ecx
je 0x49182c
cmp dword [ebp - 0x1c], 0
je 0x4917cd
cmp edi, 7
jae 0x49182c
mov bl, 0x2f
jmp 0x49182c
cmp bl, 0x3f
je 0x4917db
cmp bl, 0x23
jne 0x49179f
mov ecx, dword [ebp - 8]
test dl, 0x20
je 0x4917a2
or edx, 2
mov dword [ebp - 0x10], edx
jmp 0x4917a2
cmp bl, 0x2e
jne 0x491829
test edi, edi
je 0x491829
test dl, 8
jne 0x491829
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.004914f0
mov esi, dword [ebp - 0xc]
add esp, 0x14
mov edi, dword [ebp - 0x18]
test eax, eax
mov eax, dword [ebp - 0x14]
jne 0x4918d2
mov edx, dword [ebp - 0x10]
mov dword [ebp - 0x20], eax
mov ecx, dword [ebp - 4]
movzx eax, bl
mov dword [ebp - 0x18], eax
add eax, 0xffffffe0
cmp eax, 0x5d
ja case.0x491841.33
movzx eax, byte [eax + 0x491938]
jmp dword [eax*4 + 0x491930]
lea eax, [ebx - 0x20]
cmp al, 0x5e
jbe 0x4918c1
test dl, 2
jne 0x4918c1
test dl, 0x10
je 0x49185e
cmp bl, 0x20
jne 0x4918c1
test dl, 8
je 0x491868
cmp bl, 0x2e
je 0x4918c1
test dl, 0x40
jne 0x491872
cmp bl, 0x25
je 0x4918c1
cmp edi, 0x820
jb 0x491884
xor edx, edx
add edi, 2
mov dword [ebp - 4], edx
jmp 0x4918cb
test ecx, ecx
je 0x4918bc
mov byte [esi], 0x25
lea ecx, [esi + 1]
cmp bl, 0x10
jae 0x491897
mov byte [ecx], 0x30
inc ecx
mov eax, dword [ebp - 0x24]
add eax, 0x823
push 0x10
sub eax, ecx
push eax
push ecx
push dword [ebp - 0x18]
call fcn.005813a3
push eax
call fcn.004012e0
add esp, 0x14
add esi, 3
mov dword [ebp - 0xc], esi
add edi, 2
jmp 0x4918cb
test ecx, ecx
je 0x4918cb
mov byte [esi], bl
inc esi
mov dword [ebp - 0xc], esi
mov eax, dword [ebp - 0x20]
inc edi
mov dword [ebp - 0x18], edi
mov bl, byte [eax]
mov ecx, dword [ebp - 4]
test bl, bl
je 0x4918f1
mov edx, dword [ebp - 0x10]
jmp 0x491650
xor ecx, ecx
mov dword [ebp - 4], ecx
jmp 0x4918f1
xor edx, edx
jmp 0x491903
mov ecx, dword [ebp - 4]
mov edx, dword [ebp - 4]
test ecx, ecx
je 0x491903
cmp edi, 0x823
jae 0x491903
mov byte [esi], 0
mov ecx, dword [ebp + 8]
test ecx, ecx
je 0x49190f
lea eax, [edi + 1]
mov dword [ecx], eax
lea ecx, [edi + 1]
xor eax, eax
pop edi
cmp ecx, 0x823
pop esi
cmovbe eax, edx
pop ebx
mov esp, ebp
pop ebp
ret
push 0x80004005
call fcn.004013a0
nop
dec edi
sbb byte [ecx], cl
dec eax
sbb byte [ecx], cl
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