Function at 0x63d441eb
Capabilities:
Encode data using base64
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
push ebx
sub esp, 0x9c
cmp byte [eax], 0x40
mov dword [ebp - 0x64], eax
mov dword [ebp - 0x7c], edx
mov dword [ebp - 0x68], ecx
jne 0x63d4455c
mov dword [ebp - 0x40], eax
lea eax, [ebp - 0x40]
mov dword [ebp - 0x3c], 0
mov dword [ebp - 0x38], 0xffffffff
mov dword [ebp - 0x34], 0
call fcn.63d4171f
cmp al, 0x40
jne 0x63d44afa
lea eax, [ebp - 0x40]
call fcn.63d4171f
cmp al, 0x57
jne 0x63d44afa
lea eax, [ebp - 0x40]
call fcn.63d4171f
cmp al, 0x69
jne 0x63d44afa
lea eax, [ebp - 0x40]
call fcn.63d4171f
cmp al, 0x6e
jne 0x63d44afa
lea eax, [ebp - 0x40]
call fcn.63d4171f
cmp al, 0x44
jne 0x63d44afa
lea eax, [ebp - 0x40]
call fcn.63d4171f
cmp al, 0x69
jne 0x63d44afa
lea eax, [ebp - 0x40]
call fcn.63d4171f
cmp al, 0x76
jne 0x63d44afa
lea eax, [ebp - 0x40]
call fcn.63d4171f
cmp al, 0x5f
jne 0x63d44afa
lea ecx, [ebp - 0x54]
lea eax, [ebp - 0x40]
mov edx, 4
call fcn.63d41742
test eax, eax
je 0x63d44afa
cmp dword [ebp - 0x54], 0
jne 0x63d44afa
lea esi, [ebp - 0x50]
lea eax, [ebp - 0x40]
mov edx, 2
mov ecx, esi
call fcn.63d41742
test eax, eax
je 0x63d44afa
mov eax, dword [ebp - 0x50]
lea edx, [eax - 1]
cmp edx, 0xff
ja 0x63d44afa
mov edi, dword [ebp + 0xc]
mov dword [ebp - 0x5c], esi
mov dword [edi], eax
mov eax, dword [ebp + 8]
xor edi, edi
lea ebx, [eax + 0xc]
mov eax, dword [ebp + 0xc]
cmp edi, dword [eax]
jae 0x63d44543
lea eax, [ebp - 0x40]
lea esi, [ebx - 0xc]
call fcn.63d4171f
cmp al, 0x5f
jne 0x63d44afa
mov ecx, dword [ebp - 0x5c]
lea eax, [ebp - 0x40]
mov edx, 2
call fcn.63d41742
test eax, eax
je 0x63d44afa
mov eax, dword [ebp - 0x50]
cmp eax, 0x55
ja 0x63d44afa
mov dl, byte [esi + 1]
mov byte [esi], al
shr eax, 8
and eax, 7
mov ecx, dword [ebp - 0x5c]
and edx, 0xfffffff8
or eax, edx
mov edx, 2
mov byte [esi + 1], al
lea eax, [ebp - 0x40]
call fcn.63d41742
test eax, eax
je 0x63d44afa
mov eax, dword [ebp - 0x50]
cmp eax, 5
ja 0x63d44afa
mov dl, byte [esi + 1]
shl eax, 3
mov ecx, dword [ebp - 0x5c]
and edx, 7
or eax, edx
mov edx, 1
mov byte [esi + 1], al
lea eax, [ebp - 0x40]
call fcn.63d41742
test eax, eax
je 0x63d44afa
mov eax, dword [ebp - 0x50]
cmp eax, 1
ja 0x63d44afa
mov dl, byte [esi + 6]
and eax, 1
lea ecx, [ebx - 4]
and edx, 0xfffffffe
or eax, edx
mov edx, 7
mov byte [esi + 6], al
lea eax, [ebp - 0x40]
call fcn.63d41742
test eax, eax
je 0x63d44afa
movzx eax, byte [esi + 1]
movzx edx, byte [esi]
and eax, 7
shl eax, 8
or eax, edx
cmp ax, 0x3e
ja 0x63d44409
cmp ax, 0x3d
jae 0x63d4442e
cmp ax, 0x15
jb 0x63d444af
cmp ax, 0x16
jbe 0x63d44475
sub eax, 0x1c
cmp ax, 1
jbe 0x63d4442e
jmp 0x63d444af
cmp ax, 0x4f
ja 0x63d44423
cmp ax, 0x47
jae 0x63d4448b
sub eax, 0x42
cmp ax, 1
jbe 0x63d4445d
jmp 0x63d444af
cmp ax, 0x51
je 0x63d4445d
jmp 0x63d444af
lea eax, [ebx + 0xc]
mov dword [ebp - 0x60], ebx
mov dword [ebp - 0x64], eax
mov ecx, dword [ebp - 0x60]
lea eax, [ebp - 0x40]
mov edx, 7
call fcn.63d41742
test eax, eax
je 0x63d44afa
add dword [ebp - 0x60], 4
mov eax, dword [ebp - 0x60]
cmp eax, dword [ebp - 0x64]
jne 0x63d44437
jmp 0x63d444c3
lea eax, [ebp - 0x40]
mov ecx, ebx
mov edx, 7
call fcn.63d41742
test eax, eax
jne 0x63d4447b
jmp 0x63d44afa
mov dword [ebx], pe_overlay
mov dword [ebx + 8], 0
mov dword [ebx + 4], 0
jmp 0x63d444c3
mov ecx, dword [ebp - 0x5c]
lea eax, [ebp - 0x40]
mov edx, 7
call fcn.63d41742
test eax, eax
je 0x63d44afa
mov eax, dword [ebp - 0x50]
sub eax, 0xffff
mov dword [ebx], eax
jmp 0x63d4447b
mov dword [ebx + 8], 0
mov dword [ebx + 4], 0
mov dword [ebx], 0
lea edx, [ebp - 0x56]
lea eax, [ebp - 0x40]
call fcn.63d47e94
test eax, eax
je 0x63d44afa
lea edx, [ebp - 0x54]
lea eax, [ebp - 0x40]
call fcn.63d47e94
test eax, eax
je 0x63d44afa
movzx eax, word [ebp - 0x56]
mov edx, dword [ebp - 0x54]
mov word [esi + 4], dx
lea edx, [eax - 0x7ffe]
mov word [esi + 2], ax
cmp dx, 1
jbe 0x63d44517
cmp edi, eax
jae 0x63d44afa
mov ecx, dword [ebp + 0xc]
cmp eax, dword [ecx]
jae 0x63d44afa
movzx eax, word [esi + 4]
lea edx, [eax - 0x7ffe]
cmp dx, 1
jbe 0x63d4453a
cmp edi, eax
jae 0x63d44afa
mov esi, dword [ebp + 0xc]
cmp eax, dword [esi]
jae 0x63d44afa
inc edi
add ebx, 0x18
jmp 0x63d442ff
lea eax, [ebp - 0x40]
call fcn.63d4171f
test al, al
jne 0x63d44afa
xor edi, edi
xor esi, esi
jmp 0x63d44e47
mov eax, dword [ebp - 0x7c]
mov ebx, dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [esp + 8], 0x7800
mov dword [esp + 4], 0
mov dword [esp], eax
call ebx
mov dword [ebp - 0x6c], eax
mov eax, dword [ebp - 0x7c]
sub esp, 0xc
mov dword [esp + 8], 0x400
mov dword [esp + 4], 0
mov dword [esp], eax
call ebx
sub esp, 0xc
cmp dword [ebp - 0x6c], 0
mov dword [ebp - 0x70], eax
je 0x63d44adb
test eax, eax
je 0x63d44adb
mov cl, byte [ebp - 0x68]
mov eax, 1
mov dword [ebp - 0x5c], 0
xor esi, esi
shl eax, cl
mov dword [ebp - 0x8c], eax
imul eax, esi, 0x18
mov ebx, dword [ebp - 0x6c]
mov ecx, 4
add ebx, eax
mov dword [ebp - 0x80], eax
lea eax, [ebx + 8]
lea edi, [ebx + 8]
mov dword [ebp - 0x84], eax
xor eax, eax
rep stosd dword es:[edi], eax
mov eax, dword [ebp - 0x5c]
add eax, dword [ebp - 0x64]
mov cl, byte [eax]
mov edx, eax
mov dword [ebp - 0x60], eax
sub edx, dword [ebp - 0x64]
inc eax
mov edi, ecx
mov byte [ebp - 0x5c], cl
sub edi, 9
mov ecx, edi
cmp cl, 4
jbe 0x63d445ef
cmp byte [ebp - 0x5c], 0x20
je 0x63d445ef
lea eax, [edx + 1]
mov dword [ebx + 4], edx
mov dword [ebp - 0x5c], eax
mov eax, dword [ebp - 0x60]
mov al, byte [eax]
cmp al, 0x3a
mov byte [ebp - 0x60], al
je 0x63d447aa
jg 0x63d44687
cmp al, 0x26
je 0x63d447cc
jg 0x63d44649
test al, al
je 0x63d446d5
cmp al, 0x21
je 0x63d44705
jmp 0x63d4480c
cmp byte [ebp - 0x60], 0x29
je 0x63d446e4
cmp byte [ebp - 0x60], 0x2d
je 0x63d446f9
cmp byte [ebp - 0x60], 0x28
jne 0x63d4480c
inc esi
mov dword [ebx], 0x6c
cmp esi, 0x4fd
jbe 0x63d445c9
mov eax, dword [ebp - 0x5c]
mov edx, 3
jmp 0x63d448ad
cmp byte [ebp - 0x60], 0x3f
je 0x63d447c0
jg 0x63d446b2
cmp byte [ebp - 0x60], 0x3d
je 0x63d44732
jg 0x63d4477d
cmp byte [ebp - 0x60], 0x3c
je 0x63d44750
jmp 0x63d4480c
cmp byte [ebp - 0x60], 0x5d
je 0x63d446ed
cmp byte [ebp - 0x60], 0x7c
je 0x63d447ec
cmp byte [ebp - 0x60], 0x5b
jne 0x63d4480c
inc esi
mov dword [ebx], 0x6e
jmp 0x63d4466e
mov dword [ebx], 0x7e
xor eax, eax
xor edx, edx
jmp 0x63d448ad
inc esi
mov dword [ebx], 0x6d
jmp 0x63d4466e
inc esi
mov dword [ebx], 0x6f
jmp 0x63d4466e
inc esi
mov dword [ebx], 0x70
jmp 0x63d4466e
mov eax, dword [ebp - 0x64]
cmp byte [eax + edx + 1], 0x3d
lea eax, [esi + 1]
jne 0x63d44725
lea edi, [edx + 2]
mov esi, eax
mov dword [ebx], 0x73
mov dword [ebp - 0x5c], edi
jmp 0x63d4466e
mov esi, eax
mov dword [ebx], 0x78
jmp 0x63d4466e
mov edi, dword [ebp - 0x64]
lea eax, [edx + 2]
cmp byte [edi + edx + 1], 0x3d
mov dword [ebx], 0x72
cmovne eax, dword [ebp - 0x5c]
inc esi
mov dword [ebp - 0x5c], eax
jmp 0x63d4466e
mov eax, dword [ebp - 0x64]
cmp byte [eax + edx + 1], 0x3d
lea eax, [esi + 1]
jne 0x63d44770
lea edi, [edx + 2]
mov esi, eax
mov dword [ebx], 0x75
mov dword [ebp - 0x5c], edi
jmp 0x63d4466e
mov esi, eax
mov dword [ebx], 0x74
jmp 0x63d4466e
mov eax, dword [ebp - 0x64]
cmp byte [eax + edx + 1], 0x3d
lea eax, [esi + 1]
jne 0x63d4479d
lea edi, [edx + 2]
mov esi, eax
mov dword [ebx], 0x77
mov dword [ebp - 0x5c], edi
jmp 0x63d4466e
mov esi, eax
mov dword [ebx], 0x76
jmp 0x63d4466e
mov eax, dword [ebp - 0x64]
cmp byte [eax + edx + 1], 0x3a
je 0x63d4480c
inc esi
mov dword [ebx], 0x7b
jmp 0x63d4466e
inc esi
mov dword [ebx], 0x7c
jmp 0x63d4466e
mov eax, dword [ebp - 0x64]
cmp byte [eax + edx + 1], 0x26
jne 0x63d448a5
lea eax, [edx + 2]
inc esi
mov dword [ebx], 0x79
mov dword [ebp - 0x5c], eax
jmp 0x63d4466e
mov eax, dword [ebp - 0x64]
cmp byte [eax + edx + 1], 0x7c
jne 0x63d448a5
lea eax, [edx + 2]
inc esi
mov dword [ebx], 0x7a
mov dword [ebp - 0x5c], eax
jmp 0x63d4466e
movsx eax, byte [ebp - 0x60]
mov dword [ebp - 0x74], edx
mov byte [ebp - 0x40], al
call fcn.63d41a7f
test al, al
mov edx, dword [ebp - 0x74]
jne 0x63d4483c
cmp byte [ebp - 0x60], 0x2e
sete al
cmp byte [ebp - 0x60], 0x3a
mov cl, al
sete al
or cl, al
jne 0x63d4483c
cmp byte [ebp - 0x60], 0x5f
jne 0x63d448a5
mov eax, dword [ebp - 0x64]
mov edi, 1
add eax, edx
mov dword [ebp - 0x78], eax
lea eax, [edx + edi]
mov dword [ebp - 0x88], edx
mov dword [ebp - 0x5c], eax
mov eax, dword [ebp - 0x78]
movsx eax, byte [eax + edi]
mov byte [ebp - 0x60], al
call fcn.63d41a7f
cmp byte [ebp - 0x60], 0x3a
mov edx, dword [ebp - 0x88]
sete cl
cmp byte [ebp - 0x60], 0x2e
sete byte [ebp - 0x74]
or ecx, dword [ebp - 0x74]
test al, al
setne al
or cl, al
je 0x63d4489a
mov al, byte [ebp - 0x60]
mov byte [ebp + edi - 0x40], al
inc edi
cmp edi, 0x28
jne 0x63d44849
mov eax, dword [ebp - 0x5c]
sub eax, 0x27
jmp 0x63d448a8
cmp byte [ebp - 0x60], 0x5f
je 0x63d44885
jmp 0x63d44b14
mov eax, dword [ebp - 0x5c]
mov edx, 4
xor esi, esi
test edx, edx
mov dword [ebp - 0x40], eax
mov dword [ebp - 0x3c], edx
mov edi, edx
jne 0x63d44ae7
lea eax, [ebp - 0x40]
mov edx, dword [ebp - 0x6c]
lea ecx, [ebp - 0x50]
mov dword [esp + 4], 0
mov dword [esp], 0x400
mov eax, dword [edi]
mov dword [ebp - 0x10], eax
call fcn.63d44966
mov dword [eax + 0x7d835ef4], eax
lock add byte [ebx + eax*2 - 0x75], dh
inc ebp
in al, dx
and dword [ebp - 0x10], 0
mov dword [ebp - 0xc], eax
mov dword [ebp - 8], ebx
mov eax, dword [ebp - 8]
movzx eax, word [eax]
cmp eax, dword [ebp - 4]
jne 0x63d44ad9
mov eax, dword [ebp - 0xc]
push dword [ebp + 0xc]
mov eax, dword [eax]
add eax, dword [ebp + 8]
push eax
call fcn.63d448fc
pop ecx
test eax, eax
pop ecx
je 0x63d44b00
mov eax, dword [esi + 0x18]
inc dword [ebp - 0x10]
add dword [ebp - 8], 2
sbb bh, bh
inc ebp
lock add dword [ebp - 8], 2
add dword [ebp - 0xc], 4
dec eax
cmp dword [ebp - 0x10], eax
jbe 0x63d44ab7
mov eax, dword [esi + 0x14]
inc dword [ebp - 4]
dec eax
cmp dword [ebp - 4], eax
jbe 0x63d44a96
xor eax, eax
rcr byte [edi + 0x5e], 0x5b
pop edi
pop esi
pop ebx
leave
ret
mov eax, dword [ebp - 4]
mov eax, dword [edi + eax*4]
jmp 0x63d44b3d
or al, 0x75
adc eax, ebp
dec edx
invalid
add eax, dword [ebp + 8]
jmp 0x63d44afb
sti
invalid