Function at 0x584e30
Capabilities:
Parse credit card information

Disassembly:
mov ecx, dword fs:[0x14]
mov ecx, dword [ecx]
cmp esp, dword [ecx + 8]
jbe 0x58546a
sub esp, 0x40
mov eax, dword [esp + 0x48]
test eax, eax
je 0x584ea6
lea ecx, [0x5e4900]
mov dword [esp], ecx
mov dword [esp + 4], 0
shr eax, 1
mov dword [esp + 0x28], eax
mov dword [esp + 8], eax
call fcn.0044a5d0
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 0x44]
cmp byte [ecx], 0x22
jne 0x584e9a
mov edx, dword [esp + 0x48]
dec edx
mov ebx, edx
neg edx
sar edx, 0x1f
and edx, 1
add ecx, edx
mov edx, dword [esp + 0x28]
xor ebp, ebp
jmp 0x585221
mov edx, dword [esp + 0x28]
mov ebx, dword [esp + 0x48]
xor ebp, ebp
jmp 0x584eed
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
xchg esi, ebx
mov byte [eax + ebp], bl
xchg esi, ebx
lea esi, [edi - 1]
mov edi, esi
xchg esi, ebx
neg ebx
xchg esi, ebx
sar esi, 0x1f
and esi, 1
add ecx, esi
mov ebp, ebx
mov ebx, edi
mov dword [esp + 0x24], ebp
test ebx, ebx
je 0x58507c
movzx esi, byte [ecx]
xchg esi, eax
cmp al, 0x5c
xchg esi, eax
jne 0x584f24
lea esi, [ebx - 1]
mov edi, esi
xchg esi, ebx
neg ebx
xchg esi, ebx
sar esi, 0x1f
and esi, 1
add esi, ecx
cmp ebx, 1
jne 0x584fea
jmp 0x585053
lea edi, [esi - 0x30]
xchg edi, eax
cmp al, 9
xchg edi, eax
jbe 0x584fe6
lea edi, [esi - 0x61]
xchg edi, eax
cmp al, 0x19
xchg edi, eax
jbe 0x584fe6
lea edi, [esi - 0x41]
xchg edi, eax
cmp al, 0x19
xchg edi, eax
jbe 0x584fe6
xchg esi, eax
cmp al, 0x21
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x23
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x24
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x25
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x26
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x27
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x2a
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x2b
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x2d
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x2f
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x3d
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x3f
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x5e
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x5f
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x60
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x7b
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x7c
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x7d
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x7e
xchg esi, eax
je 0x584fe6
xchg esi, eax
cmp al, 0x2e
xchg esi, eax
jne 0x58507c
mov edi, ebx
mov esi, ecx
test edi, edi
jbe 0x585212
lea ebx, [ebp + 1]
mov ecx, esi
movzx esi, byte [esi]
cmp edx, ebx
jae 0x584ecf
xchg esi, eax
mov byte [esp + 0x21], al
xchg esi, eax
mov dword [esp + 0x30], edi
mov dword [esp + 0x3c], ecx
lea ecx, [0x5e4900]
mov dword [esp], ecx
mov dword [esp + 4], eax
mov dword [esp + 8], ebp
mov dword [esp + 0xc], edx
mov dword [esp + 0x10], ebx
call fcn.0044a7d0
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
lea ebx, [ecx + 1]
mov ecx, dword [esp + 0x3c]
mov ebp, dword [esp + 0x24]
movzx esi, byte [esp + 0x21]
mov edi, dword [esp + 0x30]
jmp 0x584ecf
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
test ebp, ebp
je 0x585117
mov word [esp + 0x22], 0
mov word [esp + 0x22], 0x2e2e
cmp byte [eax], 0x2e
je 0x5850dc
lea esi, [ebp + eax - 1]
cmp byte [esi], 0x2e
je 0x5850dc
mov dword [esp + 0x38], ecx
mov dword [esp + 0x34], eax
mov dword [esp + 0x2c], ebx
nop
mov dword [esp], eax
mov dword [esp + 4], ebp
mov dword [esp + 8], edx
lea ecx, [esp + 0x22]
mov dword [esp + 0xc], ecx
mov dword [esp + 0x10], 2
mov dword [esp + 0x14], 2
call fcn.004cb6c0
cmp dword [esp + 0x18], 0xffffffff
je 0x585105
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x38]
mov edx, dword [esp + 0x24]
mov ebx, dword [esp + 0x34]
jmp 0x585140
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
test eax, eax
je 0x585149
cmp byte [ecx], 0x40
je 0x585172
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
mov dword [esp + 0x24], edx
mov dword [esp + 0x34], ebx
dec eax
mov dword [esp + 0x30], eax
mov edx, eax
neg eax
sar eax, 0x1f
and eax, 1
add eax, ecx
mov dword [esp + 0x3c], eax
mov dword [esp], eax
mov dword [esp + 4], edx
call fcn.00585480
movzx eax, byte [esp + 0x14]
test al, al
je 0x5851e9
mov dword [esp], 0
mov eax, dword [esp + 0x34]
mov dword [esp + 4], eax
mov eax, dword [esp + 0x24]
mov dword [esp + 8], eax
call fcn.0044e1a0
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 0x10]
mov dword [esp + 0x4c], eax
mov dword [esp + 0x50], ecx
mov eax, dword [esp + 0x3c]
mov dword [esp + 0x54], eax
mov eax, dword [esp + 0x30]
mov dword [esp + 0x58], eax
mov byte [esp + 0x5c], 1
add esp, 0x40
ret
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
xor eax, eax
mov ecx, eax
call fcn.00461150
mov ecx, eax
mov ebp, esi
mov eax, edi
test ebx, ebx
je 0x585441
mov dword [esp + 0x34], eax
movzx esi, byte [ecx]
lea edi, [ebx - 1]
mov dword [esp + 0x30], edi
xchg edi, ebx
neg ebx
xchg edi, ebx
sar edi, 0x1f
and edi, 1
lea eax, [edi + ecx]
xchg esi, eax
cmp al, 0x22
xchg esi, eax
je 0x585430
mov dword [esp + 0x3c], eax
mov dword [esp + 0x24], ebp
xchg esi, eax
cmp al, 0x5c
xchg esi, eax
jne 0x58530b
cmp ebx, 1
je 0x5853de
movzx ecx, byte [ecx + edi]
cmp cl, 0xb
je 0x58529b
cmp cl, 0xc
je 0x58529b
cmp cl, 1
jb 0x5853b5
cmp cl, 9
jbe 0x58529b
cmp cl, 0xe
jb 0x5853b5
cmp cl, 0x7f
ja 0x5853b5
lea esi, [ebp + 1]
cmp edx, esi
jb 0x5852a8
mov edi, dword [esp + 0x34]
jmp 0x5852f4
mov byte [esp + 0x21], cl
mov dword [esp + 0x30], ebx
lea eax, [0x5e4900]
mov dword [esp], eax
mov ecx, dword [esp + 0x34]
mov dword [esp + 4], ecx
mov dword [esp + 8], ebp
mov dword [esp + 0xc], edx
mov dword [esp + 0x10], esi
call fcn.0044a7d0
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
lea esi, [ecx + 1]
movzx ecx, byte [esp + 0x21]
mov ebx, dword [esp + 0x30]
mov ebp, dword [esp + 0x24]
mov edi, eax
mov eax, dword [esp + 0x3c]
mov byte [edi + ebp], cl
lea ecx, [ebx - 2]
mov ebx, ecx
neg ecx
sar ecx, 0x1f
and ecx, 1
add eax, ecx
jmp 0x58521b
xchg esi, eax
cmp al, 0xb
xchg esi, eax
je 0x585352
xchg esi, eax
cmp al, 0xc
xchg esi, eax
je 0x585352
xchg esi, eax
cmp al, 0x20
xchg esi, eax
je 0x585352
xchg esi, eax
cmp al, 0x21
xchg esi, eax
je 0x585352
xchg esi, eax
cmp al, 0x7f
xchg esi, eax
je 0x585352
lea ecx, [esi - 1]
cmp cl, 7
jbe 0x585352
lea ecx, [esi - 0xe]
cmp cl, 0x11
jbe 0x585352
lea ecx, [esi - 0x23]
cmp cl, 0x38
jbe 0x585352
lea ecx, [esi - 0x5d]
cmp cl, 0x21
ja 0x585407
lea ecx, [ebp + 1]
cmp edx, ecx
jb 0x58535f
mov ebx, dword [esp + 0x34]
jmp 0x5853a3
xchg esi, eax
mov byte [esp + 0x20], al
xchg esi, eax
lea eax, [0x5e4900]
mov dword [esp], eax
mov ebx, dword [esp + 0x34]
mov dword [esp + 4], ebx
mov dword [esp + 8], ebp
mov dword [esp + 0xc], edx
mov dword [esp + 0x10], ecx
call fcn.0044a7d0
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
inc ecx
mov ebp, dword [esp + 0x24]
movzx esi, byte [esp + 0x20]
mov ebx, eax
mov eax, dword [esp + 0x3c]
xchg esi, eax
mov byte [ebx + ebp], al
xchg esi, eax
mov esi, ecx
mov edi, ebx
mov ebx, dword [esp + 0x30]
jmp 0x58521b
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
mov ecx, eax
mov edx, ebp
mov ebx, dword [esp + 0x34]
mov eax, dword [esp + 0x30]
jmp 0x585140
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0x54], 0
mov dword [esp + 0x58], 0
mov byte [esp + 0x5c], 0
add esp, 0x40
ret
call fcn.0045fcc0
jmp fcn.00584e30