Function at 0x4f1dc7
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x585b78]
push ebx
push esi
push edi
mov cl, byte [eax]
lea esi, [eax + 1]
xor edi, edi
mov dword [0x585b78], esi
mov dword [ebp - 8], edi
mov dword [ebp - 4], edi
mov dword [ebp - 0x18], edi
mov dword [ebp - 0x14], edi
cmp cl, 0x41
jg 0x4f1f88
je 0x4f241a
test cl, cl
je 0x4f1f6e
cmp cl, 0x2f
jle case.default.0x4f22f3
cmp cl, 0x31
jle 0x4f1e7e
cmp cl, 0x39
jg case.default.0x4f22f3
movsx eax, byte [esi - 1]
lea eax, [eax*8 + 0x5515a0]
push eax
lea ecx, [ebp - 8]
call fcn.004eeb11
cmp dword [ebp - 8], 0
je 0x4f1e6b
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], str.operator
push eax
lea ecx, [ebp - 0x28]
mov dword [ebp - 0x1c], 8
call fcn.004ee8d7
lea ecx, [ebp - 8]
push ecx
lea ecx, [ebp - 0x20]
push ecx
mov ecx, eax
call fcn.004eec3b
mov eax, dword [ebp - 0x20]
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x1c]
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 8]
mov dword [eax], ecx
mov ecx, dword [ebp - 4]
mov dword [eax + 4], ecx
pop edi
pop esi
pop ebx
leave
ret
mov ebx, edi
mov dword [ebp - 0xc], edi
mov dword [ebp - 0x10], ebx
cmp byte [ebp + 0xc], bl
je 0x4f1f0f
lea eax, [ebp - 0x20]
push eax
call fcn.004f3226
push eax
lea eax, [ebp - 0x18]
push 0x3c
push eax
call fcn.004eebcc
add esp, 0x10
lea ecx, [ebp - 0x10]
push eax
call fcn.004eecf9
mov ebx, dword [ebp - 0x10]
test ebx, ebx
je 0x4f1ed6
mov eax, dword [ebx]
mov esi, dword [eax + 8]
mov ecx, esi
call dword [0x53d720]
mov ecx, ebx
call esi
cmp al, 0x3e
jne 0x4f1ed6
push 0x20
lea ecx, [ebp - 0x10]
call fcn.004eed50
push 0x3e
lea ecx, [ebp - 0x10]
call fcn.004eed50
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x4f1eea
mov byte [eax], 1
mov esi, dword [0x585b78]
cmp byte [esi], 0
jne 0x4f1f05
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x10]
mov dword [eax], ecx
mov ecx, dword [ebp - 0xc]
jmp 0x4f1e76
mov ebx, dword [ebp - 0x10]
inc esi
mov dword [0x585b78], esi
push edi
lea eax, [ebp - 0x20]
push edi
push eax
call fcn.004f4165
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
mov dword [0x585b78], esi
test ecx, ecx
je 0x4f1f55
cmp byte [esi - 1], 0x31
jne 0x4f1f55
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x20]
push 0x7e
push eax
call fcn.004eebcc
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
test ebx, ebx
je 0x4f1e6b
lea eax, [ebp - 0x10]
push eax
lea ecx, [ebp - 8]
call fcn.004eecf9
jmp 0x4f1e6b
lea eax, [esi - 1]
mov dword [0x585b78], eax
mov ecx, dword [ebp + 8]
push 1
call fcn.004ee945
mov eax, dword [ebp + 8]
jmp 0x4f1e79
cmp cl, 0x42
je 0x4f2417
jle case.default.0x4f22f3
cmp cl, 0x5a
jle 0x4f241a
cmp cl, 0x5f
jne case.default.0x4f22f3
movsx eax, byte [esi]
lea ecx, [esi + 1]
mov dword [0x585b78], ecx
cmp eax, 0x4f
jg 0x4f20cb
cmp eax, 0x44
jge 0x4f23e6
cmp eax, 0x39
jg 0x4f2047
je 0x4f201a
test eax, eax
je 0x4f200f
cmp eax, 0x2f
jle case.default.0x4f22f3
cmp eax, 0x36
jle 0x4f1fff
cmp eax, 0x38
jg case.default.0x4f22f3
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x5516c0]
mov ecx, dword [ebp + 8]
push eax
call fcn.004ee8d7
jmp 0x4f1f80
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x5516c0]
jmp 0x4f1e27
mov dword [0x585b78], esi
jmp 0x4f1f76
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x5516c0]
push eax
call fcn.004ee8d7
mov edx, dword [ebp - 0x14]
or edx, 0x8000
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x18]
mov dword [eax], ecx
mov dword [eax + 4], edx
jmp 0x4f1e79
cmp eax, 0x3f
je 0x4f2078
cmp eax, 0x40
jle case.default.0x4f22f3
cmp eax, 0x42
jle 0x4f23e6
push 1
lea eax, [ebp - 0x18]
push edi
push eax
call fcn.004f30a5
mov edx, dword [ebp - 0x14]
add esp, 0xc
or edx, 0x1000
jmp 0x4f2037
mov dl, byte [ecx]
lea eax, [ecx + 1]
mov dword [0x585b78], eax
test dl, dl
je 0x4f20c0
mov esi, dword [ebp + 8]
cmp dl, 0x30
je 0x4f2099
mov dword [esi + 4], edi
mov byte [esi + 4], 2
mov dword [esi], edi
jmp 0x4f20b9
push edi
lea eax, [ebp - 0x18]
push 1
push eax
call fcn.004f30a5
mov ecx, dword [ebp - 0x14]
add esp, 0xc
mov eax, dword [ebp - 0x18]
or ecx, 0x1000
mov dword [esi], eax
mov dword [esi + 4], ecx
mov eax, esi
jmp 0x4f1e79
mov dword [0x585b78], ecx
jmp 0x4f1f76
cmp eax, 0x54
jg 0x4f22b0
cmp eax, 0x53
jge 0x4f23e6
sub eax, 0x50
je 0x4f2260
sub eax, 1
je 0x4f1e30
sub eax, 1
jne case.default.0x4f22f3
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x551688]
push eax
call fcn.004eeb11
mov eax, dword [0x585b78]
mov al, byte [eax]
test al, al
jne 0x4f2129
push 1
push dword [ebp + 8]
lea ecx, [ebp - 8]
call fcn.004eec7f
jmp 0x4f1f80
movsx eax, al
sub eax, 0x30
js case.default.0x4f22f3
cmp eax, 5
jae case.default.0x4f22f3
lea eax, [eax*8 + 0x5519c8]
push eax
lea ecx, [ebp - 0x18]
call fcn.004eeb11
mov eax, dword [0x585b78]
mov cl, byte [eax]
inc eax
mov dword [0x585b78], eax
cmp cl, 0x30
je 0x4f2226
cmp cl, 0x31
je 0x4f217a
jle 0x4f2174
cmp cl, 0x34
jle 0x4f229c
dec eax
jmp 0x4f1f71
mov eax, dword [ebp - 8]
lea ecx, [ebp - 0x10]
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 4]
mov dword [ebp - 0xc], eax
lea eax, [ebp - 0x18]
push eax
call fcn.004eecf9
lea eax, [ebp - 0x20]
push eax
call fcn.004f2eff
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004eec5d
push eax
lea ecx, [ebp - 0x10]
call fcn.004eecf9
lea eax, [ebp - 0x20]
push eax
call fcn.004f2eff
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004eec5d
push eax
lea ecx, [ebp - 0x10]
call fcn.004eecf9
lea eax, [ebp - 0x20]
push eax
call fcn.004f2eff
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004eec5d
push eax
lea ecx, [ebp - 0x10]
call fcn.004eecf9
lea eax, [ebp - 0x20]
push edi
push eax
call fcn.004f10fe
pop ecx
pop ecx
push 0x29
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004eec5d
push eax
lea ecx, [ebp - 0x10]
call fcn.004eecf9
push 0x27
push dword [ebp + 8]
lea ecx, [ebp - 0x10]
call fcn.004eec5d
jmp 0x4f1f80
lea eax, [ebp - 0x20]
push edi
push eax
call fcn.004f0dbd
mov eax, dword [ebp - 0x20]
pop ecx
pop ecx
mov dword [ebp - 0x10], eax
lea ecx, [ebp - 0x10]
mov eax, dword [ebp - 0x1c]
push 0x20
mov dword [ebp - 0xc], eax
call fcn.004eed50
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x10]
call fcn.004eec3b
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
jmp 0x4f22a3
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x551688]
push eax
call fcn.004eeb11
push edi
lea eax, [ebp - 0x28]
push edi
push eax
call fcn.004f1dc7
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 0x18], ecx
mov dword [ebp - 0x14], eax
test ecx, ecx
je 0x4f229c
test eax, 0x400
jne case.default.0x4f22f3
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 8]
push dword [ebp + 8]
call fcn.004eec3b
jmp 0x4f1f80
cmp eax, 0x56
jle 0x4f23f6
cmp eax, 0x57
jle case.default.0x4f22f3
cmp eax, 0x59
jle 0x4f23e6
cmp eax, 0x5f
jne case.default.0x4f22f3
movsx eax, byte [ecx]
lea edx, [ecx + 1]
sub eax, 0x41
mov dword [0x585b78], edx
cmp eax, 0xd
ja case.default.0x4f22f3
movzx eax, byte [eax + 0x4f245f]
jmp dword [eax*4 + 0x4f244f]
movsx eax, byte [edx - 1]
lea eax, [eax*8 + 0x551750]
jmp 0x4f1ff4
movsx eax, byte [edx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x551750]
push eax
call fcn.004ee8d7
mov eax, dword [0x585b78]
cmp byte [eax], 0x3f
lea eax, [ebp - 0x28]
push eax
jne 0x4f234d
call fcn.004f0e94
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.004eecf9
mov eax, dword [0x585b78]
cmp byte [eax], 0x40
jne 0x4f235c
inc eax
mov dword [0x585b78], eax
jmp 0x4f235c
call fcn.004f31de
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.004eecf9
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], 0x552090
push eax
lea ecx, [ebp - 0x18]
mov dword [ebp - 0x1c], 2
call fcn.004eeca1
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x18]
mov dword [eax], ecx
mov ecx, dword [ebp - 0x14]
jmp 0x4f1e76
movsx eax, byte [edx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x551750]
push eax
call fcn.004ee8d7
jmp 0x4f23b0
cmp al, 0x40
je 0x4f23c0
inc ecx
mov dword [0x585b78], ecx
lea ecx, [ebp - 0x18]
push eax
call fcn.004eed50
mov ecx, dword [0x585b78]
mov al, byte [ecx]
test al, al
jne 0x4f239c
cmp al, 0x40
jne 0x4f2376
inc ecx
mov dword [0x585b78], ecx
jmp 0x4f2376
mov cl, byte [edx]
lea eax, [edx + 1]
mov dword [0x585b78], eax
cmp cl, 0x32
jne case.default.0x4f22f3
push dword [ebp + 8]
call fcn.004f3ebb
pop ecx
jmp 0x4f1f80
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x551688]
jmp 0x4f1ff4
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x551688]
jmp 0x4f1e27
mov eax, dword [ebp + 8]
mov dword [eax + 4], edi
mov byte [eax + 4], 2
mov dword [eax], edi
jmp 0x4f1e79
xor edi, edi
inc edi
movsx eax, byte [esi - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x551568]
push eax
call fcn.004eeb11
test edi, edi
je 0x4f1e30
cmp dword [ebp - 8], 0
je 0x4f1e6b
or dword [ebp - 4], 0x200
jmp 0x4f1e6b