Function at 0x486e0a
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
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 - 0x38], 0xc
mov dword [ebp - 0x34], ebx
je 0x486e39
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x486e43
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004757e1
test eax, eax
pop ecx
je 0x486e5e
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004719b5
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00479e6b
test eax, eax
pop ecx
je 0x486e79
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004719b5
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x486e96
test ecx, 0x74000
jne 0x486e92
cmp dword [ebp - 0x24], eax
je 0x486e96
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x486ef0
dec eax
je 0x486eda
dec eax
je 0x486ed5
call fcn.00471c36
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00471c23
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00471ab1
add esp, 0x14
jmp 0x4874a3
mov dword [ebp - 8], edx
jmp 0x486ef3
test cl, 8
je 0x486ee7
test ecx, 0x70000
jne 0x486ed5
mov dword [ebp - 8], 0x40000000
jmp 0x486ef3
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x486f34
sub eax, ecx
je 0x486f2b
sub eax, ecx
je 0x486f22
sub eax, ecx
je 0x486f19
sub eax, 0x40
jne 0x486eaf
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x486f37
mov dword [ebp - 0x10], 3
jmp 0x486f37
mov dword [ebp - 0x10], 2
jmp 0x486f37
mov dword [ebp - 0x10], 1
jmp 0x486f37
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 0x486f8a
je 0x486f81
cmp eax, ebx
je 0x486f81
cmp eax, edi
je 0x486f78
cmp eax, 0x200
je 0x486ffd
cmp eax, 0x300
jne 0x486eaf
mov dword [ebp - 0x14], 2
jmp 0x486fa7
mov dword [ebp - 0x14], 4
jmp 0x486fa7
mov dword [ebp - 0x14], 3
jmp 0x486fa7
cmp eax, 0x500
je 0x486fa0
cmp eax, 0x600
je 0x486ffd
cmp eax, edx
jne 0x486eaf
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x486fcb
mov ecx, dword [0x4d21c4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x486fcb
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x486fe7
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x486fe7
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x486ff0
or dword [ebp - 0xc], edi
test al, 0x20
je 0x487006
or dword [ebp - 0xc], 0x8000000
jmp 0x487011
mov dword [ebp - 0x14], 5
jmp 0x486fa7
test al, 0x10
je 0x487011
or dword [ebp - 0xc], 0x10000000
call fcn.00482c88
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x487037
call fcn.00471c36
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00471c23
mov dword [eax], 0x18
jmp 0x4870c5
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x38]
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 0x4870d1
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48709d
test byte [ebp + 0x10], 1
je 0x48709d
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
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 0x4870d1
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d2da0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00471c49
pop ecx
call fcn.00471c23
mov eax, dword [eax]
jmp 0x48755f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x487122
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d2da0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00471c49
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4870c5
call fcn.00471c23
mov dword [eax], 0xd
jmp 0x4870c5
cmp eax, 2
jne 0x48712d
or byte [ebp - 1], 0x40
jmp 0x487136
cmp eax, 3
jne 0x487136
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00482a57
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4d2da0]
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 + 0x4d2da0]
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 0x48720c
test cl, 0x80
je 0x4872dc
test byte [ebp + 0x10], 2
je 0x48720c
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00482e27
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4871ca
call fcn.00471c36
cmp dword [eax], 0x83
je 0x48720c
push dword [esi]
call fcn.0047d26a
jmp 0x4870c4
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0047c37d
add esp, 0xc
test eax, eax
jne 0x4871fc
cmp word [ebp - 0x2c], 0x1a
jne 0x4871fc
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048be03
add esp, 0xc
cmp eax, edi
je 0x4871be
push ebx
push ebx
push dword [esi]
call fcn.00482e27
add esp, 0xc
cmp eax, edi
je 0x4871be
test byte [ebp - 1], 0x80
je 0x4872dc
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x487234
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x487231
or dword [ebp + 0x10], edi
jmp 0x487234
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x487281
cmp eax, 0x10000
je 0x48726d
cmp eax, 0x14000
je 0x48726d
cmp eax, 0x20000
je 0x48727b
cmp eax, 0x24000
je 0x48727b
cmp eax, 0x40000
je 0x487267
cmp eax, 0x44000
jne 0x487284
mov byte [ebp - 2], 1
jmp 0x487284
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x487284
mov byte [ebp - 2], 2
jmp 0x487284
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4872dc
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4872dc
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x487436
cmp eax, 0x80000000
je 0x4873fd
cmp eax, ecx
jne 0x4872dc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4872dc
cmp eax, 2
jbe 0x4874de
cmp eax, 4
jbe 0x4873cf
cmp eax, 5
je 0x4874de
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d2da0]
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 + 0x4d2da0]
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 0x48734e
test byte [ebp + 0x10], 8
je 0x48734e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d2da0]
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 0x48755d
test byte [ebp + 0x10], 1
je 0x48755d
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x487546
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00471c49
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d2da0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00482ad4
pop ecx
jmp 0x4870c4
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048795b
add esp, 0x10
or eax, edx
je 0x4874de
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048795b
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4871be
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0047c37d
add esp, 0xc
cmp eax, 0xffffffff
je 0x4871be
cmp eax, 2
je 0x487482
cmp eax, 3
jne 0x4874d0
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x487482
mov byte [ebp - 2], 1
jmp 0x4872dc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4872dc
cmp eax, 2
jbe 0x4874de
cmp eax, 4
ja 0x4872d3
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048795b
add esp, 0x10
or eax, edx
je 0x4874de
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048795b
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4872dc
jmp 0x4871be
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4874aa
push dword [esi]
call fcn.0047d26a
pop ecx
call fcn.00471c23
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x48755f
cmp eax, 0xfeff
jne 0x4874d0
push ebx
push 2
push dword [esi]
call fcn.00482e27
add esp, 0xc
cmp eax, 0xffffffff
je 0x4871be
mov byte [ebp - 2], 2
jmp 0x4872dc
push ebx
push ebx
push dword [esi]
call fcn.00482e27
add esp, 0xc
jmp 0x487474
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4874fe
dec eax
jne 0x4872dc
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48750c
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.0047d18e
add esp, 0xc
cmp eax, 0xffffffff
je 0x487532
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48750c
jmp 0x4872dc
push dword [esi]
call fcn.0047d26a
pop ecx
call fcn.00471c23
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x48755f
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d2da0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret