Function at 0x431d30
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
mov eax, 0x408c
call fcn.0048d590
push ebx
push esi
mov esi, dword [ebp + 8]
cmp byte [esi], 0x3d
push edi
jne 0x431dcf
mov eax, dword [0x4a5bc8]
push 0x495dcc
call fcn.0046e8b0
add esp, 4
test eax, eax
setne bl
mov al, 3
cmp al, byte [esi + 1]
mov byte [esp + 0x18], bl
mov edx, dword [esp + 0x18]
sbb ecx, ecx
and ecx, dword [0x4a5c1c]
lea eax, [esp + 0x20]
push ecx
mov ecx, dword [0x4a5bc8]
push 1
push edx
push eax
test bl, bl
sete dl
push ecx
mov ecx, dword [0x4a5bc4]
movzx eax, dl
mov edx, dword [0x4a5bc0]
push eax
push ecx
push 0
push 0x4a7ce0
call fcn.0042d860
test eax, eax
jne 0x431dcf
test bl, bl
je 0x431dc4
push 1
push eax
push 0xffffffffffffffff
push 0x4981ec
jmp 0x432383
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov al, byte [esi]
cmp al, 0x5c
jne 0x431f03
push 0
call dword [0x49251c]
push 1
mov ecx, eax
mov eax, dword [0x4a5bc0]
push 0
xor edx, edx
call fcn.004116d0
add esp, 8
mov byte [esp + 0x13], al
test al, al
jne 0x431e61
mov eax, dword [0x4a5bc0]
push 0
lea ebx, [esp + 0x30]
call fcn.0044bc70
add esp, 4
mov dword [esp + 0x28], eax
test eax, eax
jne 0x431e37
push 1
push eax
mov eax, dword [0x4a6474]
push 0xffffffffffffffff
push 0x495ec8
push eax
call fcn.00471040
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
cmp eax, 0xc
jl 0x431e41
cmp eax, 0x2b
jle 0x431e61
mov ecx, dword [0x4a6474]
push 1
push 0
push 0xffffffffffffffff
push 0x495ec8
push ecx
call fcn.00471040
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov edi, dword [0x4a5bc4]
mov al, byte [edi]
mov byte [esp + 0x11], 0
mov dword [esp + 0x24], 1
mov byte [esp + 0x10], 1
mov dword [esp + 0x14], 0
test al, al
je 0x431ee8
movzx ebx, al
test ebx, 0xffffff80
jne 0x431ea4
push 2
push ebx
call fcn.0048246e
add esp, 8
test eax, eax
je 0x431ea4
and bl, 0xdf
cmp bl, 0x44
je 0x431edb
cmp bl, 0x4c
je 0x431ed1
cmp bl, 0x54
jne 0x431ee0
lea esi, [edi + 1]
mov byte [esp + 0x10], 0
call fcn.004124f0
fmul qword [0x49c628]
call fcn.0048f780
mov dword [esp + 0x14], eax
jmp 0x431ee0
mov dword [esp + 0x24], 0
jmp 0x431ee0
mov byte [esp + 0x11], 1
mov al, byte [edi + 1]
inc edi
test al, al
jne 0x431e87
lea edx, [esp + 0x90]
mov dword [esp + 0x88], 0
mov dword [esp + 0x80], edx
jmp 0x431f60
mov ecx, dword [0x4a5bc0]
mov esi, dword [0x4a5bc8]
cmp al, 0x3d
je 0x431f1c
cmp al, 0x5b
je 0x431f20
cmp byte [esi], 0
jne 0x431f25
cmp al, 0x5b
jne 0x431f53
cmp byte [ecx], 0
je 0x431f53
mov byte [esp + 0x10], 0
cmp al, 0x5b
jne 0x431f30
mov esi, ecx
call fcn.004124f0
fmul qword [0x49c628]
call fcn.0048f780
mov dword [esp + 0x14], eax
cmp eax, 1
jge 0x431f60
mov dword [esp + 0x14], 0x1f4
jmp 0x431f60
mov byte [esp + 0x10], 1
mov dword [esp + 0x14], 0
mov esi, dword [ebp + 8]
cmp byte [esi], 0x3d
je 0x431f7e
mov eax, dword [0x4a6474]
push 1
push 0
push 0xffffffffffffffff
push 0x494870
push eax
call fcn.00471040
cmp byte [esi], 0x5b
jne 0x431f98
mov edi, 1
mov ecx, esi
call fcn.0041f2d0
mov byte [esp + 0x12], 1
cmp eax, edi
je 0x431f9d
mov byte [esp + 0x12], 0
mov ecx, esi
xor edi, edi
cmp byte [ecx + 1], 0
mov eax, 0x4001
lea ebx, [esp + 0x90]
jbe 0x432005
test eax, eax
jne 0x431fc1
mov dword [esp + edi*4 + 0x30], 0x4947f9
jmp 0x431ff9
mov edx, dword [edi*4 + 0x4a5bc0]
lea esi, [eax - 1]
push esi
push edx
push ebx
mov dword [esp + edi*4 + 0x3c], ebx
call fcn.00483d90
mov eax, ebx
add esp, 0xc
mov byte [esi + ebx], 0
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x431fe3
sub eax, edx
lea ebx, [ebx + eax + 1]
lea eax, [esp + 0x4091]
sub eax, ebx
mov ecx, dword [ebp + 8]
movzx edx, byte [ecx + 1]
inc edi
cmp edi, edx
jl 0x431fb3
call dword [0x4922ec]
mov dword [esp + 0x18], eax
nop
mov esi, dword [0x4a2440]
mov eax, dword [ebp + 8]
movzx eax, byte [eax]
add eax, 0xffffffc3
cmp eax, 0x3b
ja case.0x43202f.62
movzx ecx, byte [eax + 0x4323b8]
jmp dword [ecx*4 + 0x432398]
mov edx, dword [ebp + 8]
mov al, byte [edx + 1]
mov ecx, dword [esp + 0x40]
cmp al, 4
ja 0x432049
mov ecx, 0x4947f9
mov ebx, dword [esp + 0x3c]
cmp al, 3
ja 0x432056
mov ebx, 0x4947f9
mov edi, dword [esp + 0x34]
cmp al, 1
ja 0x432063
mov edi, 0x4947f9
mov edx, dword [esp + 0x30]
test al, al
jne 0x432070
mov edx, 0x4947f9
push 0
push 0
push 1
push 0
push ebx
push esi
call fcn.00472370
add esp, 0x18
test eax, eax
je case.0x43202f.62
mov eax, dword [0x4a2440]
mov eax, dword [eax + 0x54]
cmp eax, 0xffffffff
jle 0x4320a2
push 1
push eax
call fcn.00401280
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov eax, dword [ebp + 8]
mov al, byte [eax + 1]
mov ecx, dword [esp + 0x40]
cmp al, 4
ja 0x4320c3
mov ecx, 0x4947f9
mov ebx, dword [esp + 0x3c]
cmp al, 3
ja 0x4320d0
mov ebx, 0x4947f9
mov edi, dword [esp + 0x34]
cmp al, 1
ja 0x4320dd
mov edi, 0x4947f9
mov edx, dword [esp + 0x30]
test al, al
jne 0x4320ea
mov edx, 0x4947f9
push 0
push 0
push 0
push 0
push ebx
push esi
call fcn.00472370
add esp, 0x18
test eax, eax
jne case.0x43202f.62
mov ecx, dword [0x4a2440]
mov eax, dword [ecx + 0x54]
cmp eax, 0xffffffff
jle 0x4320a2
push 1
push eax
call fcn.00401280
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov ecx, dword [ebp + 8]
mov al, byte [ecx + 1]
mov edi, dword [esp + 0x40]
cmp al, 4
ja 0x43213e
mov edi, 0x4947f9
mov edx, dword [esp + 0x3c]
cmp al, 3
ja 0x43214b
mov edx, 0x4947f9
mov ecx, dword [esp + 0x34]
cmp al, 1
ja 0x432158
mov ecx, 0x4947f9
test al, al
mov eax, dword [esp + 0x30]
jne 0x432165
mov eax, 0x4947f9
push 1
push edi
push edx
push ecx
push eax
push esi
call fcn.004721a0
add esp, 0x18
test eax, eax
je case.0x43202f.62
mov edx, dword [0x4a2440]
mov eax, dword [edx + 0x54]
cmp eax, 0xffffffff
jle 0x4320a2
push 1
push eax
call fcn.00401280
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov edx, dword [ebp + 8]
mov al, byte [edx + 1]
mov edi, dword [esp + 0x40]
cmp al, 4
ja 0x4321ba
mov edi, 0x4947f9
mov edx, dword [esp + 0x3c]
cmp al, 3
ja 0x4321c7
mov edx, 0x4947f9
mov ecx, dword [esp + 0x34]
cmp al, 1
ja 0x4321d4
mov ecx, 0x4947f9
test al, al
mov eax, dword [esp + 0x30]
jne 0x4321e1
mov eax, 0x4947f9
push 1
push edi
push edx
push ecx
push eax
push esi
call fcn.004721a0
add esp, 0x18
test eax, eax
je 0x43208a
jmp case.0x43202f.62
cmp byte [esp + 0x12], 0
je 0x432217
call dword [0x492598]
test eax, eax
jne 0x4320a2
jmp case.0x43202f.62
mov esi, dword [0x492638]
push 1
call esi
test eax, eax
jne 0x4320a2
push 0xf
call esi
test eax, eax
jne 0x4320a2
jmp case.0x43202f.62
cmp byte [esp + 0x13], 0
je 0x43225e
mov eax, dword [esp + 0x24]
mov bl, byte [esp + 0x13]
push eax
call fcn.0044be60
add esp, 4
cmp al, byte [esp + 0x11]
je 0x4320a2
jmp case.0x43202f.62
mov ecx, dword [esp + 0x2c]
mov edi, dword [esp + 0x28]
push 0
push ecx
lea eax, [esp + 0x88]
call fcn.0044bf10
fldz
fucompp
add esp, 8
fnstsw ax
test ah, 0x44
jnp 0x432287
mov al, 1
jmp 0x432289
xor al, al
cmp al, byte [esp + 0x11]
je 0x4320a2
jmp case.0x43202f.62
cmp dword [esp + 0x20], 0
je 0x432342
mov eax, dword [esp + 0x20]
lea edx, [esp + 0x1c]
push edx
push eax
call dword [0x49212c]
cmp dword [esp + 0x1c], 0x103
jne 0x43234c
cmp byte [esp + 0x10], 0
jne 0x4322de
call dword [0x4922ec]
mov ecx, dword [esp + 0x18]
add ecx, dword [esp + 0x14]
sub ecx, eax
cmp ecx, 5
jle 0x432378
push 1
push 0x8000012f
call fcn.00401280
add esp, 8
test al, al
je 0x432010
mov esi, dword [0x4a2440]
cmp byte [esi + 0xd5], 0
je 0x432016
mov eax, dword [0x4a7c18]
mov ecx, dword [ebp + 8]
mov edx, dword [esp + 0x18]
mov dword [eax*4 + 0x4a75d8], ecx
mov dword [eax*4 + 0x4a5580], edx
inc eax
mov dword [0x4a7c18], eax
cmp eax, 0x190
jl 0x432016
mov dword [0x4a7c18], 0
jmp 0x432016
mov dword [esp + 0x1c], 0
jmp 0x432357
mov ecx, dword [esp + 0x20]
push ecx
call dword [0x4922ac]
mov eax, dword [esp + 0x1c]
cdq
push 0x18
push edx
push eax
mov eax, dword [0x4a6474]
call fcn.004010d0
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
push 1
push 0
push 0xffffffffffffffff
push 0x495ec8
mov edx, dword [0x4a6474]
push edx
call fcn.00471040
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4