Function at 0x47b1ed
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
push ebx
xor ebx, ebx
test byte [ebp + 0x10], 0x80
push esi
push edi
mov esi, eax
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0x28], ebx
mov byte [ebp - 2], bl
mov dword [ebp - 0x34], 0xc
mov dword [ebp - 0x30], ebx
je 0x47b21c
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x47b226
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0047e57c
test eax, eax
pop ecx
je 0x47b241
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00462d27
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0046cc7d
test eax, eax
pop ecx
je 0x47b25c
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00462d27
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x47b279
test ecx, 0x74000
jne 0x47b275
cmp dword [ebp - 0x24], eax
je 0x47b279
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x47b2d3
dec eax
je 0x47b2bd
dec eax
je 0x47b2b8
call fcn.00468919
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00468906
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00462e23
add esp, 0x14
jmp 0x47b885
mov dword [ebp - 8], edx
jmp 0x47b2d6
test cl, 8
je 0x47b2ca
test ecx, 0x70000
jne 0x47b2b8
mov dword [ebp - 8], 0x40000000
jmp 0x47b2d6
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x47b317
sub eax, ecx
je 0x47b30e
sub eax, ecx
je 0x47b305
sub eax, ecx
je 0x47b2fc
sub eax, 0x40
jne 0x47b292
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x47b31a
mov dword [ebp - 0x10], 3
jmp 0x47b31a
mov dword [ebp - 0x10], 2
jmp 0x47b31a
mov dword [ebp - 0x10], 1
jmp 0x47b31a
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, 0x100
jg 0x47b36d
je 0x47b364
cmp eax, ebx
je 0x47b364
cmp eax, edi
je 0x47b35b
cmp eax, 0x200
je 0x47b3e0
cmp eax, 0x300
jne 0x47b292
mov dword [ebp - 0x14], 2
jmp 0x47b38a
mov dword [ebp - 0x14], 4
jmp 0x47b38a
mov dword [ebp - 0x14], 3
jmp 0x47b38a
cmp eax, 0x500
je 0x47b383
cmp eax, 0x600
je 0x47b3e0
cmp eax, edx
jne 0x47b292
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x47b3ae
mov ecx, dword [0x4b958c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x47b3ae
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x47b3ca
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x47b3ca
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x47b3d3
or dword [ebp - 0xc], edi
test al, 0x20
je 0x47b3e9
or dword [ebp - 0xc], 0x8000000
jmp 0x47b3f4
mov dword [ebp - 0x14], 5
jmp 0x47b38a
test al, 0x10
je 0x47b3f4
or dword [ebp - 0xc], 0x10000000
call fcn.0047aece
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x47b41a
call fcn.00468919
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00468906
mov dword [eax], 0x18
jmp 0x47b4a8
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileA]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x34]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x47b4b4
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x47b480
test byte [ebp + 0x10], 1
je 0x47b480
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push dword [ebp - 0x14]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x47b4b4
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4b9dc0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0046892c
pop ecx
call fcn.00468906
mov eax, dword [eax]
jmp 0x47b941
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x47b505
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4b9dc0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0046892c
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x47b4a8
call fcn.00468906
mov dword [eax], 0xd
jmp 0x47b4a8
cmp eax, 2
jne 0x47b510
or byte [ebp - 1], 0x40
jmp 0x47b519
cmp eax, 3
jne 0x47b519
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047ac9d
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4b9dc0]
pop ecx
pop ecx
mov cl, byte [ebp - 1]
or cl, 1
mov byte [edx + eax + 4], cl
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4b9dc0]
lea eax, [edx + eax + 0x24]
and byte [eax], 0x80
mov byte [ebp - 3], cl
and byte [ebp - 3], 0x48
mov byte [ebp - 1], cl
jne 0x47b5ee
test cl, 0x80
je 0x47b6be
test byte [ebp + 0x10], 2
je 0x47b5ee
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00472ee7
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x47b5ad
call fcn.00468919
cmp dword [eax], 0x83
je 0x47b5ee
push dword [esi]
call fcn.00471cff
jmp 0x47b4a7
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004713ae
add esp, 0xc
test eax, eax
jne 0x47b5de
cmp byte [ebp - 4], 0x1a
jne 0x47b5de
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0047e30c
add esp, 0xc
cmp eax, edi
je 0x47b5a1
push ebx
push ebx
push dword [esi]
call fcn.00472ee7
add esp, 0xc
cmp eax, edi
je 0x47b5a1
test byte [ebp - 1], 0x80
je 0x47b6be
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x47b616
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x47b613
or dword [ebp + 0x10], edi
jmp 0x47b616
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x47b663
cmp eax, 0x10000
je 0x47b64f
cmp eax, 0x14000
je 0x47b64f
cmp eax, 0x20000
je 0x47b65d
cmp eax, 0x24000
je 0x47b65d
cmp eax, 0x40000
je 0x47b649
cmp eax, 0x44000
jne 0x47b666
mov byte [ebp - 2], 1
jmp 0x47b666
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x47b666
mov byte [ebp - 2], 2
jmp 0x47b666
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x47b6be
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x47b6be
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x47b818
cmp eax, 0x80000000
je 0x47b7df
cmp eax, ecx
jne 0x47b6be
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x47b6be
cmp eax, 2
jbe 0x47b8c0
cmp eax, 4
jbe 0x47b7b1
cmp eax, 5
je 0x47b8c0
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b9dc0]
lea eax, [ecx + eax + 0x24]
mov cl, byte [eax]
xor cl, byte [ebp - 2]
and cl, 0x7f
xor byte [eax], cl
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b9dc0]
lea eax, [ecx + eax + 0x24]
mov ecx, dword [ebp + 0x10]
mov dl, byte [eax]
shr ecx, 0x10
shl cl, 7
and dl, 0x7f
or cl, dl
cmp byte [ebp - 3], bl
mov byte [eax], cl
jne 0x47b730
test byte [ebp + 0x10], 8
je 0x47b730
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b9dc0]
lea eax, [ecx + eax + 4]
or byte [eax], 0x20
mov edi, dword [ebp - 8]
mov eax, 0xc0000000
mov ecx, edi
and ecx, eax
cmp ecx, eax
jne 0x47b93f
test byte [ebp + 0x10], 1
je 0x47b93f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
jne 0x47b928
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0046892c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b9dc0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047ad1a
pop ecx
jmp 0x47b4a7
push 2
push ebx
push ebx
push dword [esi]
call fcn.00478480
add esp, 0x10
or eax, edx
je 0x47b8c0
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00478480
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x47b5a1
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004713ae
add esp, 0xc
cmp eax, 0xffffffff
je 0x47b5a1
cmp eax, 2
je 0x47b864
cmp eax, 3
jne 0x47b8b2
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x47b864
mov byte [ebp - 2], 1
jmp 0x47b6be
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x47b6be
cmp eax, 2
jbe 0x47b8c0
cmp eax, 4
ja 0x47b6b5
push 2
push ebx
push ebx
push dword [esi]
call fcn.00478480
add esp, 0x10
or eax, edx
je 0x47b8c0
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00478480
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x47b6be
jmp 0x47b5a1
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x47b88c
push dword [esi]
call fcn.00471cff
pop ecx
call fcn.00468906
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x47b941
cmp eax, 0xfeff
jne 0x47b8b2
push ebx
push 2
push dword [esi]
call fcn.00472ee7
add esp, 0xc
cmp eax, 0xffffffff
je 0x47b5a1
mov byte [ebp - 2], 2
jmp 0x47b6be
push ebx
push ebx
push dword [esi]
call fcn.00472ee7
add esp, 0xc
jmp 0x47b856
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x47b8e0
dec eax
jne 0x47b6be
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x47b8ee
mov dword [ebp - 0x18], 0xbfbbef
mov dword [ebp - 0x14], 3
mov eax, dword [ebp - 0x14]
sub eax, edi
push eax
lea eax, [ebp + edi - 0x18]
push eax
push dword [esi]
call fcn.00478be2
add esp, 0xc
cmp eax, 0xffffffff
je 0x47b914
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x47b8ee
jmp 0x47b6be
push dword [esi]
call fcn.00471cff
pop ecx
call fcn.00468906
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x47b941
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b9dc0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret