Function at 0x421b10
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
mov esi, ecx
xor cl, cl
push edi
mov eax, dword [esi + 0x4c]
cmp eax, 0xffffffff
je 0x421d8e
cmp eax, 0x7c
je 0x421d8e
cmp eax, 0x29
jne 0x421b4c
cmp dword [esi + 0x10], 0
jne 0x421d8e
test dword [esi + 0x50], 0x10000000
je 0x421da5
cmp eax, 0x2e
jne 0x421bc1
push 5
lea ecx, [esi + 0x24]
call fcn.00421e00
mov eax, dword [esi]
mov edx, dword [esi + 8]
cmp eax, edx
je 0x421bb5
cmp byte [eax], 0x5c
jne 0x421bb2
lea ecx, [eax + 1]
cmp ecx, edx
je 0x421bab
mov edx, dword [esi + 0x50]
test dl, 8
jne 0x421b84
mov bl, byte [ecx]
cmp bl, 0x28
je 0x421b95
cmp bl, 0x29
je 0x421b95
test dl, 0x10
jne 0x421bab
mov dl, byte [ecx]
cmp dl, 0x7b
je 0x421b95
cmp dl, 0x7d
jne 0x421bab
mov dl, 1
test dl, dl
cmovne eax, ecx
mov ecx, esi
inc eax
mov dword [esi], eax
call fcn.0041fa90
jmp 0x421d79
xor dl, dl
test dl, dl
cmovne eax, ecx
inc eax
mov dword [esi], eax
mov ecx, esi
call fcn.0041fa90
jmp 0x421d79
cmp eax, 0x5c
jne 0x421c26
mov ecx, esi
call fcn.00421ab0
mov eax, dword [esi + 0x50]
and eax, 0x80
je 0x421bf3
cmp byte [esi + 0x48], 0x62
jne 0x421bf3
push 4
lea ecx, [esi + 0x24]
call fcn.00421e00
mov ecx, esi
call fcn.00421ab0
jmp 0x421d80
test eax, eax
je 0x421c1a
cmp byte [esi + 0x48], 0x42
jne 0x421c1a
push 4
lea ecx, [esi + 0x24]
call fcn.00421e00
mov eax, dword [esi + 0x28]
mov ecx, esi
xor dword [eax + 8], 1
call fcn.00421ab0
jmp 0x421d80
mov ecx, esi
call fcn.004230a0
jmp 0x421d79
cmp eax, 0x5b
jne 0x421cd9
mov ecx, esi
call fcn.00421ab0
lea ecx, [esi + 0x24]
call fcn.00424010
mov eax, dword [esi + 0x4c]
cmp eax, 0x5e
jne 0x421c57
mov eax, dword [esi + 0x28]
mov ecx, esi
xor dword [eax + 8], 1
call fcn.00421ab0
mov eax, dword [esi + 0x4c]
test dword [esi + 0x50], 0x20000000
je 0x421cc3
cmp eax, 0x5d
jne 0x421cc3
test dword [esi + 0x2c], 0x100
mov bl, al
je 0x421c81
mov eax, dword [esi + 0x30]
push 0x5d
mov ecx, dword [eax + 4]
mov eax, dword [ecx]
mov eax, dword [eax + 0x10]
call eax
mov bl, al
mov edi, dword [esi + 0x28]
mov ecx, dword [edi + 0x18]
test ecx, ecx
jne 0x421ca7
push 0x20
call fcn.0046c968
xorps xmm0, xmm0
mov dword [ebp - 4], eax
add esp, 4
mov ecx, eax
movups xmmword [eax], xmm0
movups xmmword [eax + 0x10], xmm0
mov dword [edi + 0x18], eax
movzx edx, bl
mov eax, edx
and edx, 7
shr eax, 3
add ecx, eax
movzx eax, byte [ecx]
bts eax, edx
mov byte [ecx], al
mov ecx, esi
call fcn.00421ab0
mov ecx, esi
call fcn.00423a80
cmp dword [esi + 0x4c], 0x5d
jne 0x421d9e
jmp 0x421d72
cmp eax, 0x28
jne 0x421d05
mov ecx, esi
call fcn.00421ab0
mov ecx, esi
call fcn.00423240
cmp dword [esi + 0x4c], 0x29
mov bl, al
jne 0x421da5
mov ecx, esi
call fcn.00421ab0
test bl, bl
je 0x421d80
jmp 0x421d79
cmp eax, 0x5e
jne 0x421d1d
push 2
lea ecx, [esi + 0x24]
call fcn.00421e00
mov ecx, esi
call fcn.00421ab0
jmp 0x421d80
cmp eax, 0x24
jne 0x421d35
push 3
lea ecx, [esi + 0x24]
call fcn.00421e00
mov ecx, esi
call fcn.00421ab0
jmp 0x421d80
cmp eax, 0x2a
je 0x421d97
cmp eax, 0x2b
je 0x421d97
cmp eax, 0x3f
je 0x421d97
cmp eax, 0x7b
je 0x421d97
cmp eax, 0x7d
jne 0x421d57
test dword [esi + 0x50], 0x10000000
je 0x421dac
cmp eax, 0x5d
jne 0x421d65
test dword [esi + 0x50], 0x10000000
je 0x421d9e
movzx eax, byte [esi + 0x48]
lea ecx, [esi + 0x24]
push eax
call fcn.004234b0
mov ecx, esi
call fcn.00421ab0
mov ecx, esi
call fcn.00423350
mov eax, dword [esi + 0x4c]
mov cl, 1
cmp eax, 0xffffffff
jne 0x421b27
pop edi
pop esi
mov al, cl
pop ebx
mov esp, ebp
pop ebp
ret
push 0xa
call fcn.0041fa80
push 4
call fcn.0041fa80
push 5
call fcn.0041fa80
push 6
call fcn.0041fa80
int3