Function at 0x407389
Capabilities:
Authenticate hmac
Check os version
Encrypt data using speck
Get number of processors
Parse credit card information
Resolve function by parsing pe exports

Disassembly:
add esi, dword [ebp - 0x30]
and dword [ebp - 0x28], eax
push dword [ebp - 0x64]
mov dword [ebp - 0x28], esi
mov dword [ebp - 0x64], esp
add esp, 0xffffffdc
add dword [ebp - 0x7c], esi
and dword [ebp - 0x30], ebx
or dword [ebp - 0x7c], 0xffffff9f
mov word [ebp - 0x6c], 0x5e
push dword [ebp - 0x24]
xor dword [ebp - 0x7c], eax
and dword [ebp - 0x58], 0x71
push dword [ebp - 0x44]
and eax, esi
push dword [ebp - 0x3c]
or ecx, dword [ebp - 0x6c]
add ecx, dword [ebp - 0x34]
lea esi, [ebp - 0x44]
push esi
mov esi, dword [ebp - 0x64]
push dword [esi + 8]
call fcn.00403812
lea eax, [ebp - 0x24]
and esi, dword [ebp - 0x7c]
add esi, dword [ebp - 0x58]
push eax
xor edx, dword [ebp - 0x50]
push dword [ebp - 0x24]
xor edx, dword [ebp - 0x50]
call fcn.00403968
mov ebx, dword [ebp - 0x64]
lea ebx, [ebx - 0x24]
push ebx
push dword [ebp - 0x24]
call fcn.00403812
cmp dword [ebp - 0x38], 1
je 0x40740b
test cl, cl
jns 0x407465
push 0x10
add edi, esi
mov eax, dword [ebp - 0x64]
mov edi, ecx
mov dword [eax - 0x18], 0x1000
cmp dword [ebp - 0x38], 1
je 0x40742d
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
mov edx, dword [ebp - 0x64]
and ebx, esi
mov dword [ebp - 0x58], edi
mov dword [edx - 0x14], 0
push 4
xor dword [ebp - 0x6c], edi
push 0x3000
mov ebx, dword [ebp - 0x80]
mov edx, dword [ebp - 0x64]
lea ebx, [edx - 0x18]
mov dword [ebp - 0x80], ebx
or dword [ebp - 0x68], edx
or esi, ecx
push dword [ebp - 0x80]
push 0
or ebx, dword [ebp - 0x28]
mov esi, dword [ebp - 0x80]
mov edi, dword [ebp - 0x64]
lea esi, [edi - 0x14]
mov dword [ebp - 0x80], esi
or eax, ebx
push dword [ebp - 0x80]
and ebx, dword [ebp - 0x60]
cmp dword [ebp - 0x38], 0xfffffffe
jne 0x407486
push ebx
cmp dword [ebp - 0x38], 0x400002
jne 0x407495
push 0xffffffff
xor dword [ebp - 0x2c], 0xffffff98
cmp dword [ebp - 0x48], 0xffffffd7
jne 0x4074a9
int3
mov dword [ebp - 0x58], edx
mov edx, dword [ebp - 0x40]
mov dword [ebp - 0x78], 0x5fd
mov ebx, dword [ebp - 0x44]
add ebx, 0x5a0
call dword [ebx]
mov dword [ebp - 0x80], eax
mov dword [ebp - 0x40], edx
xor dword [ebp - 0x60], 1
mov ebx, dword [ebp - 0x64]
push dword [ebx - 0x14]
cmp dword [ebp - 0x48], 0
je 0x4074e5
movzx edx, byte [esi]
sub eax, edx
je 0x407520
xor edx, edx
test eax, eax
lea esi, [edi + eax*4 + 0x64e]
mov esi, 0x9150aa89
mov esi, ecx
mov ebx, dword [ebp - 0x80]
cmp dword [ebp - 0x38], 0x400002
jne 0x407511
lea ecx, [ebp - 0x64]
not edi
call fcn.0040e2c8
and edi, dword [ebp - 0x50]
je 0x4074a9
mov ecx, dword [ebp - 0x64]
xor dword [ebp - 0x4c], ebx
xor dword [ebp - 0x2c], ecx
lea ebx, [ecx - 0x10]
mov dword [ebp - 0x80], ebx
add edi, dword [ebp - 0x54]
and edx, dword [ebp - 0x60]
push dword [ebp - 0x80]
xor dword [ebp - 0x84], 0x5e
mov edx, dword [ebp - 0x40]
cmp dword [ebp - 0x48], 0x6e
jne 0x40753f
int3
mov esi, dword [ebp - 0x44]
add esi, 0x5b0
call dword [esi]
mov dword [ebp - 0x80], eax
mov dword [ebp - 0x40], edx
test dword [ebp - 0x48], 0
je 0x40755f
lea edx, [ebp + 8]
sub edx, edi
xor ecx, edi
mov esi, dword [ebp - 0x64]
test dword [ebp - 0x48], 0
je 0x407574