Function at 0x504470
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffb4
push ebx
push esi
push edi
xor ecx, ecx
mov dword [ebp - 0x48], ecx
mov dword [ebp - 0x4c], ecx
mov dword [ebp - 0xc], edx
mov dword [ebp - 4], eax
xor eax, eax
push ebp
push 0x504ea5
push dword fs:[eax]
mov dword fs:[eax], esp
xor esi, esi
mov eax, dword [ebp - 0xc]
xor edx, edx
mov dword [eax], edx
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov edx, eax
dec edx
movzx edx, byte [edx]
cmp edx, 0x2e
jg 0x5044fb
je 0x5045c0
cmp edx, 0x28
jg 0x5044e3
je 0x5048e0
sub edx, 1
jb 0x504a24
sub edx, 0x23
je 0x504578
jmp 0x504cb9
sub edx, 0x29
je 0x504a24
dec edx
sub edx, 2
jb 0x504a35
jmp 0x504cb9
cmp edx, 0x5c
jg 0x50451d
je 0x504a46
sub edx, 0x3f
je 0x504a35
sub edx, 0x1c
je 0x504606
jmp 0x504cb9
sub edx, 0x5e
je 0x504530
sub edx, 0x1e
je 0x504a24
jmp 0x504cb9
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 0x10
je 0x504554
mov eax, dword [ebp - 4]
cmp dword [eax + 0x128], 0
jne 0x504566
mov eax, dword [ebp - 4]
cmp byte [eax + 0x12c], 0
jne 0x504566
mov dl, 1
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
jmp 0x504e87
mov dl, 0x22
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
jmp 0x504e87
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 0x10
je 0x50459c
mov eax, dword [ebp - 4]
cmp dword [eax + 0x128], 0
jne 0x5045ae
mov eax, dword [ebp - 4]
cmp byte [eax + 0x12c], 0
jne 0x5045ae
mov dl, 2
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
jmp 0x504e87
mov dl, 0x23
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
jmp 0x504e87
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 4
je 0x5045ee
mov dl, 3
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x504e87
mov dl, 0x24
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0xc]
or dword [eax], 1
jmp 0x504e87
cmp byte [eax], 0x5e
jne 0x50463c
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 1
je 0x504625
push ebp
mov al, 0x16
call fcn.00503ea4
pop ecx
mov dword [ebp - 8], eax
jmp 0x504631
push ebp
mov al, 5
call fcn.00503ea4
pop ecx
mov dword [ebp - 8], eax
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
jmp 0x504662
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 1
je 0x504656
push ebp
mov al, 0x15
call fcn.00503ea4
pop ecx
mov dword [ebp - 8], eax
jmp 0x504662
push ebp
mov al, 4
call fcn.00503ea4
pop ecx
mov dword [ebp - 8], eax
mov byte [ebp - 0x3f], 0
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
cmp al, 0x5d
jne 0x504883
push ebp
call fcn.005042d0
pop ecx
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
jmp 0x504883
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov dl, byte [eax]
cmp dl, 0x2d
jne 0x5047dd
mov ecx, eax
inc ecx
cmp byte [ecx], 0
je 0x5047dd
inc eax
cmp byte [eax], 0x5d
je 0x5047dd
cmp byte [ebp - 0x3f], 0
je 0x5047dd
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov bl, byte [eax]
cmp bl, 0x5c
jne 0x504718
inc eax
mov al, byte [eax]
add al, 0xc0
cmp al, 0x37
ja 0x5046ee
and eax, 0x7f
bt dword [0x504eb8], eax
jae 0x5046fe
push ebp
mov al, 0x2d
call fcn.00503fa8
pop ecx
jmp 0x504883
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
push ebp
mov eax, dword [ebp - 4]
add eax, 0xe0
call fcn.00504320
pop ecx
mov ebx, eax
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 2
je 0x504740
cmp byte [ebp - 0x40], 0xe0
jne 0x504740
cmp bl, 0xff
jne 0x504740
push ebp
mov eax, 0x504ec8
call fcn.005042ec
pop ecx
jmp 0x5047cf
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 2
je 0x504765
cmp byte [ebp - 0x40], 0xc0
jne 0x504765
cmp bl, 0xdf
jne 0x504765
push ebp
mov eax, 0x504ef4
call fcn.005042ec
pop ecx
jmp 0x5047cf
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 2
je 0x504796
cmp byte [ebp - 0x40], 0xe0
jne 0x504796
cmp bl, 0xdf
jne 0x504796
push ebp
mov eax, 0x504ec8
call fcn.005042ec
pop ecx
push ebp
mov eax, 0x504ef4
call fcn.005042ec
pop ecx
jmp 0x5047cf
cmp bl, byte [ebp - 0x40]
jae 0x5047ac
mov edx, 0x6d
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x504e8a
inc byte [ebp - 0x40]
push ebp
mov eax, ebx
call fcn.00503fa8
pop ecx
cmp bl, byte [ebp - 0x40]
jbe 0x5047cf
push ebp
mov al, byte [ebp - 0x40]
call fcn.00503fa8
pop ecx
inc byte [ebp - 0x40]
cmp bl, byte [ebp - 0x40]
ja 0x5047bd
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
jmp 0x504883
cmp dl, 0x5c
jne 0x504871
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
cmp byte [eax], 0
jne 0x50480e
mov edx, 0x6e
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x504e8a
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
sub al, 0x64
je 0x504827
sub al, 0xf
je 0x504847
sub al, 4
je 0x504835
jmp 0x504859
push ebp
mov eax, 0x504f20
call fcn.005042ec
pop ecx
jmp 0x50487a
push ebp
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x11c]
call fcn.005042ec
pop ecx
jmp 0x50487a
push ebp
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x118]
call fcn.005042ec
pop ecx
jmp 0x50487a
push ebp
push ebp
mov eax, dword [ebp - 4]
add eax, 0xe0
call fcn.00504320
pop ecx
call fcn.005042d0
pop ecx
jmp 0x50487a
push ebp
mov eax, edx
call fcn.005042d0
pop ecx
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
test al, al
je 0x50489a
cmp al, 0x5d
jne 0x50468e
push ebp
xor eax, eax
call fcn.00503fa8
pop ecx
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
cmp byte [eax], 0x5d
je 0x5048c2
mov edx, 0x71
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x504e8a
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x504e87
cmp byte [eax], 0x3f
jne 0x5049f4
inc eax
cmp byte [eax], 0x23
jne 0x504951
mov eax, dword [ebp - 4]
add dword [eax + 0xe0], 2
jmp 0x504904
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
test al, al
je 0x504917
cmp al, 0x29
jne 0x5048fb
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
cmp byte [eax], 0x29
je 0x504936
mov edx, 0x7d
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x504e8a
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov dl, 0x13
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
jmp 0x504e87
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov ebx, dword [eax + 0xe0]
jmp 0x50496e
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
test al, al
je 0x504981
cmp al, 0x29
jne 0x504965
mov eax, dword [ebp - 4]
mov edi, dword [eax + 0xe0]
cmp byte [edi], 0x29
jne 0x5049c8
lea eax, [ebp - 0x48]
push eax
lea eax, [ebp - 0x4c]
mov edx, ebx
call fcn.004049a4
mov eax, dword [ebp - 0x4c]
mov ecx, edi
sub ecx, ebx
mov edx, 1
call fcn.00404ccc
mov edx, dword [ebp - 0x48]
mov eax, dword [ebp - 4]
lea ecx, [eax + 0x110]
mov eax, dword [ebp - 4]
mov eax, dword [eax]
call fcn.00502d30
test al, al
jne 0x5049d9
mov edx, 0x7f
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x504e8a
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov dl, 0x13
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
jmp 0x504e87
lea ecx, [ebp - 0x44]
mov edx, 1
mov eax, dword [ebp - 4]
call fcn.005034d4
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0
jne 0x504a14
xor esi, esi
jmp 0x504e8a
mov eax, dword [ebp - 0x44]
and eax, 5
mov edx, dword [ebp - 0xc]
or dword [edx], eax
jmp 0x504e87
mov edx, 0x72
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x504e8a
mov edx, 0x73
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x504e8a
cmp byte [eax], 0
jne 0x504a5c
mov edx, 0x74
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x504e8a
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
movzx eax, byte [eax]
cmp eax, 0x57
jg 0x504aa7
je 0x504c0e
cmp eax, 0x42
jg 0x504a90
je 0x504ae6
add eax, 0xffffffcf
sub eax, 9
jb 0x504c45
sub eax, 7
je 0x504af8
jmp 0x504c95
sub eax, 0x44
je 0x504b3e
sub eax, 0xf
je 0x504b9a
jmp 0x504c95
cmp eax, 0x64
jg 0x504abd
je 0x504b1c
sub eax, 0x5a
je 0x504b0a
sub eax, 8
je 0x504ad4
jmp 0x504c95
sub eax, 0x73
je 0x504b60
sub eax, 4
je 0x504bd4
jmp 0x504c95
mov dl, 0x25
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
jmp 0x504cab
mov dl, 0x26
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
jmp 0x504cab
mov dl, 1
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
jmp 0x504cab
mov dl, 2
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
jmp 0x504cab
mov dl, 0xc
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x504cab
mov dl, 0xd
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x504cab
push ebp
mov al, 4
call fcn.00503ea4
pop ecx
mov dword [ebp - 8], eax
push ebp
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x118]
call fcn.005042ec
pop ecx
push ebp
xor eax, eax
call fcn.00503fa8
pop ecx
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x504cab
push ebp
mov al, 5
call fcn.00503ea4
pop ecx
mov dword [ebp - 8], eax
push ebp
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x118]
call fcn.005042ec
pop ecx
push ebp
xor eax, eax
call fcn.00503fa8
pop ecx
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x504cab
push ebp
mov al, 4
call fcn.00503ea4
pop ecx
mov dword [ebp - 8], eax
push ebp
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x11c]
call fcn.005042ec
pop ecx
push ebp
xor eax, eax
call fcn.00503fa8
pop ecx
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x504cab
push ebp
mov al, 5
call fcn.00503ea4
pop ecx
mov dword [ebp - 8], eax
push ebp
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x11c]
call fcn.005042ec
pop ecx
push ebp
xor eax, eax
call fcn.00503fa8
pop ecx
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x504cab
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 1
je 0x504c60
mov dl, 0x1d
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
jmp 0x504c6d
mov dl, 0x1c
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov dl, byte [eax]
sub dl, 0x30
mov eax, dword [ebp - 4]
call fcn.00503188
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x504cab
push ebp
push ebp
mov eax, dword [ebp - 4]
add eax, 0xe0
call fcn.00504320
pop ecx
call fcn.00503dec
pop ecx
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
jmp 0x504e87
mov eax, dword [ebp - 4]
dec dword [eax + 0xe0]
mov edx, dword [ebp - 4]
test byte [edx + 0x110], 0x20
je 0x504d77
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
cmp al, 0x23
je 0x504cf3
add al, 0xf7
sub al, 2
jb 0x504cf3
sub al, 2
je 0x504cf3
sub al, 0x13
jne 0x504d77
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
cmp byte [eax], 0x23
jne 0x504d4c
jmp 0x504d0c
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
test al, al
je 0x504d2e
cmp al, 0xd
je 0x504d2e
cmp al, 0xa
jne 0x504d03
jmp 0x504d2e
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
cmp al, 0xd
je 0x504d25
cmp al, 0xa
je 0x504d25
jmp 0x504d65
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
add al, 0xf7
sub al, 2
jb 0x504d43
sub al, 2
je 0x504d43
sub al, 0x13
je 0x504d43
mov dl, 0x13
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
jmp 0x504e87
mov edx, 0x52117c
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
call fcn.0050320c
mov ebx, eax
test ebx, ebx
jg 0x504dbf
mov eax, dword [ebp - 4]
mov ebx, dword [eax + 0xe0]
cmp byte [ebx], 0x7b
je 0x504daf
mov edx, 0x77
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x504e8a
mov edx, 0x52117c
mov eax, ebx
inc eax
call fcn.0050320c
inc eax
mov ebx, eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
add eax, ebx
mov al, byte [eax]
cmp ebx, 1
jle 0x504de2
cmp al, 0x2a
je 0x504de1
cmp al, 0x2b
je 0x504de1
cmp al, 0x3f
je 0x504de1
cmp al, 0x7b
jne 0x504de2
dec ebx
mov eax, dword [ebp - 0xc]
or dword [eax], 1
cmp ebx, 1
jne 0x504df3
mov eax, dword [ebp - 0xc]
or dword [eax], 2
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 1
je 0x504e0e
mov dl, 0x14
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
jmp 0x504e5f
mov dl, 8
mov eax, dword [ebp - 4]
call fcn.0050314c
mov dword [ebp - 8], eax
jmp 0x504e5f
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 0x20
je 0x504e42
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
add al, 0xf7
sub al, 2
jb 0x504e55
sub al, 2
je 0x504e55
sub al, 0x13
je 0x504e55
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov dl, byte [eax]
mov eax, dword [ebp - 4]
call fcn.00503188
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
dec ebx
test ebx, ebx
jle 0x504e7d
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 0x20
je 0x504e1d
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
cmp byte [eax], 0x23
jne 0x504e1d
xor edx, edx
mov eax, dword [ebp - 4]
call fcn.00503188
mov esi, dword [ebp - 8]
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x504eac
lea eax, [ebp - 0x4c]
mov edx, 2
call fcn.004047c0
ret