Function at 0x10008600
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff8
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x101111bd
mov eax, dword fs:[0]
push eax
push ebx
sub esp, 0x50
push esi
push edi
mov eax, dword [0x10129040]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edx, ecx
mov dword [ebp - 0x30], edx
mov eax, dword [ebx + 8]
mov dword [ebp - 0x54], eax
movq xmm0, qword [eax]
mov ecx, dword [eax + 8]
movq qword [ebp - 0x60], xmm0
mov dword [ebp - 0x20], ecx
mov dword [ebp - 0x58], ecx
mov dword [ebp - 4], 0
xorps xmm0, xmm0
mov eax, dword [ebp - 0x60]
xorps xmm1, xmm1
mov esi, eax
movsd qword [ebp - 0x50], xmm0
sub esi, ecx
mov dword [ebp - 0x3c], esi
cmp byte [eax], 0x2d
jne 0x10008683
inc eax
mov byte [ebp - 0x13], 1
mov dword [ebp - 0x60], eax
jmp 0x10008687
mov byte [ebp - 0x13], 0
mov cl, byte [eax]
xor esi, esi
movlpd qword [ebp - 0x48], xmm0
mov byte [ebp - 0x11], 0
mov dword [ebp - 0x2c], esi
cmp cl, 0x30
jne 0x100086aa
lea edi, [eax + 1]
mov dword [ebp - 0x24], esi
mov dword [ebp - 0x60], edi
jmp 0x10008766
cmp cl, 0x31
jl 0x10008dc1
cmp cl, 0x39
jg 0x10008dc1
lea edi, [eax + 1]
movsx ecx, cl
mov al, byte [edi]
sub ecx, 0x30
cmp byte [ebp - 0x13], 0
mov dword [ebp - 0x60], edi
mov dword [ebp - 0x24], ecx
je 0x10008727
cmp al, 0x30
jl 0x10008766
mov edx, edi
cmp al, 0x39
ja 0x10008766
cmp ecx, 0xccccccc
jb 0x100086f5
jne 0x1000871c
mov edx, edi
cmp al, 0x38
ja 0x1000871c
movsx eax, byte [edx]
lea ecx, [ecx + ecx*4]
lea edi, [edx + 1]
inc esi
lea ecx, [ecx - 0x18]
mov dword [ebp - 0x60], edi
mov dword [ebp - 0x2c], esi
lea ecx, [eax + ecx*2]
mov al, byte [edi]
mov dword [ebp - 0x24], ecx
cmp al, 0x30
jl 0x10008766
mov edx, edi
cmp al, 0x39
jle 0x100086e5
jmp 0x10008766
mov dl, 1
mov eax, ecx
xor ecx, ecx
mov byte [ebp - 0x11], dl
jmp 0x1000876f
cmp al, 0x30
jl 0x10008766
mov edx, edi
cmp al, 0x39
jg 0x10008766
cmp ecx, 0x19999999
jb 0x10008741
jne 0x1000871c
mov edx, edi
cmp al, 0x35
jg 0x1000871c
movsx eax, byte [edx]
lea ecx, [ecx + ecx*4]
lea edi, [edx + 1]
inc esi
lea ecx, [ecx - 0x18]
mov dword [ebp - 0x60], edi
mov dword [ebp - 0x2c], esi
lea ecx, [eax + ecx*2]
mov al, byte [edi]
mov dword [ebp - 0x24], ecx
cmp al, 0x30
jl 0x10008766
mov edx, edi
cmp al, 0x39
jle 0x10008731
mov eax, dword [ebp - 0x48]
mov ecx, dword [ebp - 0x44]
mov dl, byte [ebp - 0x11]
xor dh, dh
mov dword [ebp - 0x1c], eax
mov dword [ebp - 0x18], ecx
mov byte [ebp - 0x12], dh
test dl, dl
je 0x100088a8
mov dl, byte [edi]
cmp byte [ebp - 0x13], dh
je 0x1000882b
cmp dl, 0x30
jl 0x100088a5
mov esi, edi
cmp dl, 0x39
jg 0x100088a5
cmp ecx, 0xccccccc
jb 0x100087c8
ja 0x100087b2
cmp eax, 0xcccccccc
jb 0x100087c8
cmp eax, 0xcccccccc
jne 0x10008815
cmp ecx, 0xccccccc
jne 0x10008815
mov esi, edi
cmp dl, 0x38
ja 0x10008815
shld ecx, eax, 2
lea edi, [esi + 1]
xor edx, edx
movsx esi, byte [esi]
shl eax, 2
sub esi, 0x30
add dword [ebp - 0x1c], eax
mov eax, dword [ebp - 0x1c]
adc dword [ebp - 0x18], ecx
mov ecx, dword [ebp - 0x18]
shld ecx, eax, 1
mov dword [ebp - 0x60], edi
add eax, eax
add eax, esi
mov dword [ebp - 0x1c], eax
adc edx, ecx
inc dword [ebp - 0x2c]
mov ecx, edx
mov dl, byte [edi]
mov dword [ebp - 0x18], ecx
cmp dl, 0x30
jl 0x100088a2
mov esi, edi
cmp dl, 0x39
jle 0x100087a1
jmp 0x100088a2
mov edx, ecx
mov ecx, eax
call fcn.1010f2d0
mov dh, 1
movaps xmm1, xmm0
mov byte [ebp - 0x12], dh
jmp 0x100088a5
cmp dl, 0x30
jl 0x100088a5
mov esi, edi
cmp dl, 0x39
jg 0x100088a5
cmp ecx, 0x19999999
jb 0x1000885e
ja 0x10008848
cmp eax, 0x99999999
jb 0x1000885e
cmp eax, 0x99999999
jne 0x10008815
cmp ecx, 0x19999999
jne 0x10008815
mov esi, edi
cmp dl, 0x35
ja 0x10008815
shld ecx, eax, 2
lea edi, [esi + 1]
xor edx, edx
movsx esi, byte [esi]
shl eax, 2
sub esi, 0x30
add dword [ebp - 0x1c], eax
mov eax, dword [ebp - 0x1c]
adc dword [ebp - 0x18], ecx
mov ecx, dword [ebp - 0x18]
shld ecx, eax, 1
mov dword [ebp - 0x60], edi
add eax, eax
add eax, esi
mov dword [ebp - 0x1c], eax
adc edx, ecx
inc dword [ebp - 0x2c]
mov ecx, edx
mov dl, byte [edi]
mov dword [ebp - 0x18], ecx
cmp dl, 0x30
jl 0x100088a2
mov esi, edi
cmp dl, 0x39
jle 0x10008837
mov dh, byte [ebp - 0x12]
mov dl, byte [ebp - 0x11]
movsd xmm2, qword [0x1011fe20]
test dh, dh
je 0x100088e8
mov al, byte [edi]
cmp al, 0x30
jl 0x100088e8
mov ecx, edi
nop dword [eax]
cmp al, 0x39
ja 0x100088e5
movsx eax, byte [ecx]
lea edi, [ecx + 1]
sub eax, 0x30
mulsd xmm1, xmm2
mov ecx, edi
movd xmm0, eax
mov al, byte [edi]
cvtdq2pd xmm0, xmm0
addsd xmm1, xmm0
cmp al, 0x30
jge 0x100088c0
mov dword [ebp - 0x60], edi
mov cl, byte [edi]
mov dword [ebp - 0x28], 0
cmp cl, 0x2e
jne 0x10008901
inc edi
mov eax, edi
mov dword [ebp - 0x60], edi
mov dword [ebp - 0x38], eax
jmp 0x10008906
mov eax, edi
mov dword [ebp - 0x38], edi
cmp cl, 0x2e
jne 0x100089d8
mov cl, byte [eax]
cmp cl, 0x30
jl 0x100089c1
cmp cl, 0x39
jg 0x100089c1
mov cl, byte [ebp - 0x12]
mov esi, dword [ebp - 0x24]
test cl, cl
jne 0x10008955
test dl, dl
je 0x10008939
mov ecx, dword [ebp - 0x1c]
mov edx, dword [ebp - 0x18]
jmp 0x1000893d
mov ecx, esi
xor edx, edx
call fcn.1010f2d0
movsd xmm2, qword [0x1011fe20]
movaps xmm1, xmm0
mov byte [ebp - 0x12], 1
mov eax, edi
jmp 0x10008958
mov byte [ebp - 0x12], cl
mov dl, byte [edi]
xorps xmm3, xmm3
mov edi, dword [ebp - 0x2c]
mov dword [ebp - 0x44], eax
mov dword [ebp - 0x34], eax
mov dword [ebp - 0x38], eax
nop dword [eax]
mov ecx, dword [ebp - 0x38]
cmp dl, 0x39
jg 0x100089de
cmp edi, 0x11
jge 0x100089a7
dec dword [ebp - 0x28]
lea ecx, [eax + 1]
movsx eax, byte [eax]
mov edx, ecx
sub eax, 0x30
mulsd xmm1, xmm2
mov dword [ebp - 0x60], edx
movd xmm0, eax
cvtdq2pd xmm0, xmm0
addsd xmm1, xmm0
comisd xmm1, xmm3
jbe 0x100089b0
inc edi
jmp 0x100089b0
mov ecx, dword [ebp - 0x34]
inc ecx
mov edx, ecx
mov dword [ebp - 0x60], edx
mov dl, byte [edx]
mov eax, ecx
mov dword [ebp - 0x34], ecx
mov dword [ebp - 0x38], eax
cmp dl, 0x30
jge 0x10008970
jmp 0x100089de
mov ecx, dword [ebp - 0x30]
mov esi, dword [ebp - 0x20]
sub eax, esi
mov dword [ecx + 0x18], 0xe
mov dword [ecx + 0x1c], eax
jmp 0x10008dd0
mov esi, dword [ebp - 0x24]
mov ecx, dword [ebp - 0x38]
xor edi, edi
cmp byte [ecx], 0x65
je 0x100089ee
cmp byte [ecx], 0x45
jne 0x10008abc
cmp byte [ebp - 0x12], 0
lea edi, [ecx + 1]
mov dword [ebp - 0x60], edi
jne 0x10008a18
cmp byte [ebp - 0x11], 0
je 0x10008a08
mov esi, dword [ebp - 0x1c]
mov edx, dword [ebp - 0x18]
jmp 0x10008a0a
xor edx, edx
mov ecx, esi
call fcn.1010f2d0
movaps xmm1, xmm0
mov byte [ebp - 0x12], 1
mov cl, byte [edi]
xor dl, dl
cmp cl, 0x2b
je 0x10008a28
cmp cl, 0x2d
jne 0x10008a2f
mov dl, 1
mov cl, byte [edi + 1]
inc edi
mov dword [ebp - 0x60], edi
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x10008b37
lea esi, [edi + 1]
movsx edi, cl
mov cl, byte [esi]
sub edi, 0x30
mov dword [ebp - 0x60], esi
mov byte [ebp - 0x14], cl
test dl, dl
je 0x10008afe
mov ecx, dword [ebp - 0x28]
mov eax, 0x66666667
add ecx, 0x7ffffff7
imul ecx
sar edx, 2
mov eax, edx
shr eax, 0x1f
add eax, edx
cmp byte [ebp - 0x14], 0x30
mov dword [ebp - 0x44], eax
jl 0x10008aba
mov al, byte [esi]
cmp al, 0x39
jg 0x10008aba
movsx eax, byte [esi]
lea ecx, [edi + edi*4]
lea edi, [ecx - 0x18]
lea edx, [esi + 1]
mov dword [ebp - 0x60], edx
mov esi, edx
lea edi, [eax + edi*2]
cmp edi, dword [ebp - 0x44]
jle 0x10008ab4
mov al, byte [edx]
cmp al, 0x30
jl 0x10008ab4
mov ecx, edx
nop dword [eax]
cmp al, 0x39
ja 0x10008ab1
lea esi, [ecx + 1]
mov edx, esi
mov ecx, esi
mov al, byte [edx]
cmp al, 0x30
jge 0x10008aa0
mov dword [ebp - 0x60], edx
mov al, byte [edx]
cmp al, 0x30
jge 0x10008a78
neg edi
mov edx, dword [ebp - 0x28]
cmp byte [ebp - 0x12], 0
je 0x10008bef
lea eax, [edi + edx]
cmp eax, 0xfffffecc
jge 0x10008b4e
divsd xmm1, qword [0x10120820]
add eax, 0x134
cmp eax, 0xfffffecc
jl 0x10008b76
shl eax, 3
mov ecx, 0x1011b5c8
sub ecx, eax
movaps xmm0, xmm1
divsd xmm0, qword [ecx]
jmp 0x10008b71
mov edx, dword [ebp - 0x28]
mov eax, 0x134
sub eax, edx
mov dword [ebp - 0x44], eax
cmp cl, 0x30
jl 0x10008abf
mov al, byte [esi]
cmp al, 0x39
jg 0x10008abc
movsx eax, byte [esi]
lea ecx, [edi + edi*4]
lea edi, [ecx - 0x18]
lea edx, [esi + 1]
mov dword [ebp - 0x60], edx
lea edi, [eax + edi*2]
cmp edi, dword [ebp - 0x44]
jg 0x10008b85
mov al, byte [edx]
mov esi, edx
cmp al, 0x30
jge 0x10008b12
jmp 0x10008abc
mov ecx, dword [ebp - 0x30]
mov esi, dword [ebp - 0x20]
sub edi, esi
mov dword [ecx + 0x18], 0xf
mov dword [ecx + 0x1c], edi
jmp 0x10008dd0
lea ecx, [eax*8]
movaps xmm0, xmm1
test eax, eax
js 0x10008b66
mulsd xmm0, qword [ecx + 0x1011b5c8]
jmp 0x10008b71
mov eax, 0x1011b5c8
sub eax, ecx
divsd xmm0, qword [eax]
movsd qword [ebp - 0x50], xmm0
movsd xmm0, qword [ebp - 0x50]
comisd xmm0, xmmword [0x10120828]
jbe 0x10008b9d
mov ecx, dword [ebp - 0x30]
mov eax, dword [ebp - 0x3c]
mov dword [ecx + 0x18], 0xd
mov dword [ecx + 0x1c], eax
mov esi, dword [ebp - 0x20]
jmp 0x10008dd0
cmp byte [ebp - 0x13], 0
je 0x10008baa
xorps xmm0, xmmword [0x10120cc0]
mov esi, dword [ebx + 0xc]
movsd qword [ebp - 0x50], xmm0
mov eax, dword [esi + 0x28]
sub eax, dword [esi + 0x24]
cmp eax, 0x10
jge 0x10008bc6
push ecx
lea ecx, [esi + 0x18]
call fcn.10008fc0
mov ecx, dword [esi + 0x24]
xorps xmm0, xmm0
movsd xmm3, qword [ebp - 0x50]
lea eax, [ecx + 0x10]
mov dword [esi + 0x24], eax
mov eax, 0x216
mov esi, dword [ebp - 0x20]
movups xmmword [ecx], xmm0
mov word [ecx + 0xe], ax
movsd qword [ecx], xmm3
jmp 0x10008dd0
mov edi, dword [ebx + 0xc]
add edi, 0x18
cmp byte [ebp - 0x11], 0
mov eax, dword [edi + 0x10]
je 0x10008d39
cmp byte [ebp - 0x13], 0
je 0x10008cb7
mov esi, dword [ebp - 0x1c]
mov ecx, dword [ebp - 0x18]
neg esi
adc ecx, 0
sub eax, dword [edi + 0xc]
neg ecx
mov dword [ebp - 0x18], ecx
cmp eax, 0x10
jge 0x10008c2f
push ecx
mov ecx, edi
call fcn.10008fc0
mov ecx, dword [ebp - 0x18]
mov edx, dword [edi + 0xc]
xorps xmm0, xmm0
lea eax, [edx + 0x10]
mov dword [edi + 0xc], eax
mov eax, 0x96
movups xmmword [edx], xmm0
mov dword [edx], esi
mov dword [edx + 4], ecx
mov word [edx + 0xe], ax
test ecx, ecx
jl 0x10008c8f
jg 0x10008c56
test esi, esi
jb 0x10008c8f
mov eax, 0x196
mov word [edx + 0xe], ax
mov edi, eax
xor eax, eax
or eax, ecx
jne 0x10008c72
mov eax, 0x1d6
mov word [edx + 0xe], ax
mov edi, eax
and esi, 0x80000000
or esi, ecx
jne 0x10008b95
mov esi, dword [ebp - 0x20]
or edi, 0x20
mov word [edx + 0xe], di
jmp 0x10008dd0
cmp ecx, 0xffffffff
jl 0x10008b95
jg 0x10008ca6
cmp esi, 0x80000000
jb 0x10008b95
mov esi, dword [ebp - 0x20]
mov eax, 0xb6
mov word [edx + 0xe], ax
jmp 0x10008dd0
sub eax, dword [edi + 0xc]
cmp eax, 0x10
jge 0x10008cc7
push ecx
mov ecx, edi
call fcn.10008fc0
mov esi, dword [edi + 0xc]
xorps xmm0, xmm0
mov edx, dword [ebp - 0x18]
mov ecx, dword [ebp - 0x1c]
lea eax, [esi + 0x10]
mov dword [edi + 0xc], eax
mov eax, 0x116
mov edi, eax
movups xmmword [esi], xmm0
mov dword [esi], ecx
mov dword [esi + 4], edx
mov word [esi + 0xe], ax
test edx, edx
jl 0x10008d01
jg 0x10008cf6
test ecx, ecx
jb 0x10008d01
mov eax, 0x196
mov word [esi + 0xe], ax
mov edi, eax
movzx eax, di
mov dword [ebp - 0x44], eax
xor eax, eax
or eax, edx
jne 0x10008d19
or edi, 0x40
mov word [esi + 0xe], di
movzx eax, di
jmp 0x10008d1c
mov eax, dword [ebp - 0x44]
and ecx, 0x80000000
or ecx, edx
jne 0x10008b95
or eax, 0x20
mov word [esi + 0xe], ax
mov esi, dword [ebp - 0x20]
jmp 0x10008dd0
sub eax, dword [edi + 0xc]
cmp byte [ebp - 0x13], 0
je 0x10008d83
mov esi, dword [ebp - 0x24]
neg esi
cmp eax, 0x10
jge 0x10008d54
push ecx
mov ecx, edi
call fcn.10008fc0
mov ecx, dword [edi + 0xc]
xorps xmm0, xmm0
test esi, esi
lea eax, [ecx + 0x10]
mov dword [edi + 0xc], eax
mov eax, esi
mov esi, dword [ebp - 0x20]
cdq
movups xmmword [ecx], xmm0
mov dword [ecx], eax
mov eax, 0xb6
mov dword [ecx + 4], edx
mov edx, 0x1f6
cmovns eax, edx
mov word [ecx + 0xe], ax
jmp 0x10008dd0
cmp eax, 0x10
jge 0x10008d90
push ecx
mov ecx, edi
call fcn.10008fc0
mov ecx, dword [edi + 0xc]
xorps xmm0, xmm0
mov esi, dword [ebp - 0x20]
lea eax, [ecx + 0x10]
mov dword [edi + 0xc], eax
mov eax, dword [ebp - 0x24]
movups xmmword [ecx], xmm0
mov dword [ecx], eax
shr eax, 0x1a
not eax
mov dword [ecx + 4], 0
and eax, 0x20
or eax, 0x1d6
mov word [ecx + 0xe], ax
jmp 0x10008dd0
mov esi, dword [ebp - 0x20]
sub eax, esi
mov dword [edx + 0x18], 3
mov dword [edx + 0x1c], eax
mov eax, dword [ebx + 8]
movq xmm0, qword [ebp - 0x60]
movq qword [eax], xmm0
mov dword [eax + 8], esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 8