Function at 0x41aee0
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
sub esp, 0xdb4
mov eax, dword [0x4c0390]
xor eax, esp
mov dword [esp + 0xdb0], eax
push edi
mov edi, dword [esp + 0xdbc]
push 0x40
push str.70c2441db366d92ea7be1342b3bf629026ba92bb675f06e684bdd34511097434
push 0xffffffffffffffff
call fcn.0041fb60
cmp eax, 0x26e831b8
je 0x41af2b
xor al, al
pop edi
mov ecx, dword [esp + 0xdb0]
xor ecx, esp
call fcn.0049dea6
add esp, 0xdb4
ret 8
push ebx
push 0x604
push 0
push 0x4c8d58
call fcn.0049e460
add esp, 0xc
push 0x400
lea eax, [esp + 0x13c]
push eax
mov ecx, edi
call fcn.00465ad0
test al, al
je 0x41af81
mov bl, 0x23
lea ebx, [ebx]
cmp byte [esp + 0x138], bl
jne 0x41af81
push 0x400
lea ecx, [esp + 0x13c]
push ecx
mov ecx, edi
call fcn.00465ad0
test al, al
jne 0x41af60
push esi
push 0x100
push 0x4c8d58
mov ecx, edi
call fcn.00465ad0
push 0x100
push 0x4c8e58
mov ecx, edi
call fcn.00465ad0
push 0x80
lea edx, [esp + 0x940]
push edx
mov ecx, edi
call fcn.00465ad0
xor esi, esi
lea ebx, [ebx]
mov eax, 0x400
sub eax, esi
push eax
lea ecx, [esp + esi + 0x140]
push ecx
mov ecx, edi
call fcn.00465ad0
add esi, 0x36
cmp esi, 0x17a
jl 0x41afc0
xor edi, edi
xor esi, esi
jmp 0x41aff0
movsx edx, byte [esp + esi + 0x13c]
push edx
call fcn.00465130
test al, al
je 0x41b017
movsx ecx, byte [esp + esi + 0x13c]
inc esi
cmp esi, 2
lea eax, [edi + edi*4]
lea edi, [ecx + eax*2 - 0x30]
jl 0x41aff0
push ebp
xor ebp, ebp
mov dword [esp + 0x18], edi
xor esi, esi
movsx edx, byte [esp + esi + 0x142]
push edx
call fcn.00465130
test al, al
je 0x41b048
movsx ecx, byte [esp + esi + 0x142]
inc esi
cmp esi, 3
lea eax, [ebp + ebp*4]
lea ebp, [ecx + eax*2 - 0x30]
jl 0x41b020
xor ebx, ebx
mov dword [esp + 0x14], ebp
xor esi, esi
movsx edx, byte [esp + esi + 0x145]
push edx
call fcn.00465130
test al, al
je 0x41b077
movsx ecx, byte [esp + esi + 0x145]
inc esi
cmp esi, 3
lea eax, [ebx + ebx*4]
lea ebx, [ecx + eax*2 - 0x30]
jl 0x41b050
xor edi, edi
xor esi, esi
jmp 0x41b080
movsx edx, byte [esp + esi + 0x148]
push edx
call fcn.00465130
test al, al
je 0x41b0a7
movsx ecx, byte [esp + esi + 0x148]
inc esi
cmp esi, 2
lea eax, [edi + edi*4]
lea edi, [ecx + eax*2 - 0x30]
jl 0x41b080
cmp ebp, 0x100
jg 0x41b2e9
cmp ebx, 0x100
jg 0x41b2e9
mov ebp, 0x4be338
xor esi, esi
push 8
lea edx, [esp + 0x44]
push edx
push ebp
call fcn.00465200
push 8
lea eax, [esp + 0x44]
push eax
lea ecx, [esp + 0x152]
push ecx
call fcn.00465050
test eax, eax
je 0x41b2e9
add esi, 8
add ebp, 8
cmp esi, 0x8f0
jb 0x41b0c6
xor esi, esi
nop
lea edx, [esp + 0x40]
push edx
call fcn.004641e0
mov eax, 0x4c8d58
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x41b112
push 1
sub eax, edx
push eax
push 0x4c8d58
lea eax, [esp + 0x4c]
push eax
call fcn.00464220
push 1
lea ecx, [esp + 0x20]
push ecx
lea edx, [esp + 0x48]
push edx
call fcn.004642e0
mov eax, dword [esp + 0x1c]
cmp eax, dword [esi + 0x4be2f8]
jne 0x41b15a
mov ecx, dword [esp + 0x20]
cmp ecx, dword [esi + 0x4be2fc]
je 0x41b2e9
add esi, 8
cmp esi, 0x40
jb 0x41b100
mov esi, dword [esp + 0x18]
push esi
lea edx, [esp + 0x14e]
push edx
push 0x4c8f58
call fcn.0049f290
mov ebp, dword [esp + 0x20]
push ebp
lea esi, [esp + esi + 0x15a]
push esi
push 0x4c9258
call fcn.0049f290
push ebx
add esi, ebp
push esi
push 0x4c9158
call fcn.0049f290
push edi
add esi, ebx
push esi
push 0x4c9058
call fcn.0049f290
push 0xa
push 0
add edi, esi
push edi
call fcn.004a0351
mov dword [0x4c9358], eax
mov eax, 0x4c8e58
add esp, 0x3c
lea ecx, [eax + 1]
mov dl, byte [eax]
inc eax
test dl, dl
jne 0x41b1c8
sub eax, ecx
push eax
push 0x4c8e58
push 0xffffffffffffffff
call fcn.0041fb60
mov ecx, 0x4c8d58
lea esi, [ecx + 1]
mov dl, byte [ecx]
inc ecx
test dl, dl
jne 0x41b1e6
sub ecx, esi
push ecx
push 0x4c8d58
push eax
call fcn.0041fb60
mov ecx, 0x4c8f58
lea esi, [ecx + 1]
mov dl, byte [ecx]
inc ecx
test dl, dl
jne 0x41b203
sub ecx, esi
push ecx
push 0x4c8f58
push eax
call fcn.0041fb60
mov ecx, 0x4c9258
lea esi, [ecx + 1]
mov dl, byte [ecx]
inc ecx
test dl, dl
jne 0x41b220
sub ecx, esi
push ecx
push 0x4c9258
push eax
call fcn.0041fb60
mov ecx, 0x4c9158
lea esi, [ecx + 1]
lea ecx, [ecx]
mov dl, byte [ecx]
inc ecx
test dl, dl
jne 0x41b240
sub ecx, esi
push ecx
push 0x4c9158
push eax
call fcn.0041fb60
mov ecx, 0x4c9058
lea esi, [ecx + 1]
lea ecx, [ecx]
mov dl, byte [ecx]
inc ecx
test dl, dl
jne 0x41b260
sub ecx, esi
push ecx
push 0x4c9058
push eax
call fcn.0041fb60
cmp eax, dword [0x4c9358]
jne 0x41b2e9
cmp byte [0x4c8e58], 0
je 0x41b442
mov ebp, 0x4c8e61
mov dword [esp + 0x14], ebp
push 9
push str.Version:
lea ebx, [ebp - 9]
push ebx
call fcn.00465050
test eax, eax
je 0x41b2bc
push 9
push str.VersMax:
push ebx
call fcn.00465050
test eax, eax
jne 0x41b375
cmp byte [ebp], 0
mov byte [esp + 0x13], 0
mov esi, ebp
je 0x41b2e9
lea esp, [esp]
cmp byte [esi - 1], 0x20
jne 0x41b2e3
movsx eax, byte [esi]
push eax
call fcn.00465130
test al, al
jne 0x41b306
inc esi
cmp byte [esi], 0
jne 0x41b2d0
xor al, al
mov ecx, dword [esp + 0xdc0]
pop ebp
pop esi
pop ebx
pop edi
xor ecx, esp
call fcn.0049dea6
add esp, 0xdb4
ret 8
push esi
call fcn.004a00f6
push 0x2e
push esi
mov edi, eax
call fcn.0049db10
add esp, 0xc
test eax, eax
je 0x41b330
inc eax
cmp byte [eax], 0x2a
je 0x41b330
push eax
call fcn.004a00f6
add esp, 4
mov ecx, eax
jmp 0x41b333
or ecx, 0xffffffff
cmp edi, 3
jne 0x41b357
cmp ecx, 0xffffffff
je 0x41b353
mov eax, 0x66666667
imul ecx
sar edx, 2
mov eax, edx
shr eax, 0x1f
add eax, edx
cmp eax, 9
jne 0x41b357
mov al, 1
jmp 0x41b35b
mov al, byte [esp + 0x13]
cmp byte [ebp - 5], 0x4d
jne 0x41b36d
cmp edi, 3
jg 0x41b375
jne 0x41b36d
cmp ecx, 0x5a
jge 0x41b375
test al, al
je 0x41b2e9
push 9
push str.DateMax:
push ebx
call fcn.00465050
test eax, eax
jne 0x41b42f
mov esi, ebp
cmp byte [ebp], al
je 0x41b2e9
cmp byte [esi - 1], 0x20
jne 0x41b3a8
movsx ecx, byte [esi]
push ecx
call fcn.00465130
test al, al
jne 0x41b3b3
inc esi
cmp byte [esi], 0
jne 0x41b395
jmp 0x41b2e9
mov edi, 1
push esi
mov ebx, edi
call fcn.004a00f6
push 0x2e
push esi
mov ebp, eax
call fcn.0049db10
add esp, 0xc
test eax, eax
je 0x41b3f7
lea esi, [eax + 1]
push esi
call fcn.004a00f6
push 0x2e
push esi
mov edi, eax
call fcn.0049db10
add esp, 0xc
test eax, eax
je 0x41b3f7
inc eax
push eax
call fcn.004a00f6
add esp, 4
mov ebx, eax
lea ecx, [esp + 0x1c]
call fcn.004680a0
lea ecx, [esp + 0x1c]
call fcn.00468360
mov eax, dword [esp + 0x1c]
cmp ebp, eax
ja 0x41b42f
jne 0x41b2e9
mov eax, dword [esp + 0x20]
cmp edi, eax
ja 0x41b42f
jne 0x41b2e9
cmp ebx, dword [esp + 0x24]
jb 0x41b2e9
mov ebp, dword [esp + 0x14]
inc ebp
cmp byte [ebp - 9], 0
mov dword [esp + 0x14], ebp
jne 0x41b293
cmp byte [esp + 0xdcc], 0
je 0x41b583
mov eax, 0x4c8e58
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x41b458
push 0x4c9258
push str.70c2441db366d92ea7be1342b3bf629026ba92bb675f06e684bdd34511097434
sub eax, edx
push eax
push 0x4c8e58
call fcn.004255a0
test eax, eax
je 0x41b2e9
xor eax, eax
mov cl, byte [eax + 0x4c8d58]
mov byte [esp + eax + 0x540], cl
inc eax
test cl, cl
jne 0x41b480
mov eax, 0x4c8f58
mov edx, eax
lea esp, [esp]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x41b4a0
lea edi, [esp + 0x540]
sub eax, edx
dec edi
mov cl, byte [edi + 1]
inc edi
test cl, cl
jne 0x41b4b1
mov ecx, eax
shr ecx, 2
mov esi, edx
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
xor eax, eax
jmp 0x41b4d0
mov cl, byte [esp + eax + 0x540]
mov byte [esp + eax + 0x9c0], cl
inc eax
test cl, cl
jne 0x41b4d0
lea eax, [esp + 0x540]
lea edx, [eax + 1]
lea ecx, [ecx]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x41b4f0
push 0x4c9158
sub eax, edx
push str.70c2441db366d92ea7be1342b3bf629026ba92bb675f06e684bdd34511097434
mov esi, eax
push esi
lea edx, [esp + 0x54c]
push edx
call fcn.004255a0
test eax, eax
je 0x41b2e9
xor eax, eax
lea ecx, [ecx]
mov cl, byte [esp + eax + 0x9c0]
mov byte [esp + eax + 0x540], cl
inc eax
test cl, cl
jne 0x41b520
lea eax, [esp + 0x40]
push eax
push 0x4c9058
push esi
lea ecx, [esp + 0x54c]
push ecx
call fcn.004253a0
xor eax, eax
lea ecx, [ecx]
mov cl, byte [esp + eax + 0x9c0]
mov byte [esp + eax + 0x540], cl
inc eax
test cl, cl
jne 0x41b550
lea edx, [esp + 0x40]
push edx
push 0x4c8f58
push esi
lea eax, [esp + 0x54c]
push eax
call fcn.004255a0
test eax, eax
je 0x41b2e9
mov al, 1
jmp 0x41b2eb