Function at 0x40ec4c
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 0x40ec7b
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x40ec85
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0040d34b
test eax, eax
pop ecx
je 0x40eca0
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00406ce0
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00404e7a
test eax, eax
pop ecx
je 0x40ecbb
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00406ce0
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x40ecd8
test ecx, 0x74000
jne 0x40ecd4
cmp dword [ebp - 0x24], eax
je 0x40ecd8
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, accept
je 0x40ed32
dec eax
je 0x40ed1c
dec eax
je 0x40ed17
call fcn.00405d4e
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00405d3b
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00406ddc
add esp, 0x14
jmp 0x40f2e4
mov dword [ebp - 8], edx
jmp 0x40ed35
test cl, 8
je 0x40ed29
test ecx, 0x70000
jne 0x40ed17
mov dword [ebp - 8], 0x40000000
jmp 0x40ed35
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x40ed76
sub eax, ecx
je 0x40ed6d
sub eax, ecx
je 0x40ed64
sub eax, ecx
je 0x40ed5b
sub eax, 0x40
jne 0x40ecf1
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x40ed79
mov dword [ebp - 0x10], 3
jmp 0x40ed79
mov dword [ebp - 0x10], 2
jmp 0x40ed79
mov dword [ebp - 0x10], 1
jmp 0x40ed79
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 0x40edcc
je 0x40edc3
cmp eax, ebx
je 0x40edc3
cmp eax, edi
je 0x40edba
cmp eax, 0x200
je 0x40ee3f
cmp eax, 0x300
jne 0x40ecf1
mov dword [ebp - 0x14], 2
jmp 0x40ede9
mov dword [ebp - 0x14], 4
jmp 0x40ede9
mov dword [ebp - 0x14], 3
jmp 0x40ede9
cmp eax, 0x500
je 0x40ede2
cmp eax, 0x600
je 0x40ee3f
cmp eax, edx
jne 0x40ecf1
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x40ee0d
mov ecx, dword [0x418228]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x40ee0d
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x40ee29
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x40ee29
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x40ee32
or dword [ebp - 0xc], edi
test al, 0x20
je 0x40ee48
or dword [ebp - 0xc], 0x8000000
jmp 0x40ee53
mov dword [ebp - 0x14], 5
jmp 0x40ede9
test al, 0x10
je 0x40ee53
or dword [ebp - 0xc], 0x10000000
call fcn.0040a8c7
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x40ee79
call fcn.00405d4e
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00405d3b
mov dword [eax], 0x18
jmp 0x40ef07
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 0x40ef13
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x40eedf
test byte [ebp + 0x10], 1
je 0x40eedf
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 0x40ef13
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x419d80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00405d61
pop ecx
call fcn.00405d3b
mov eax, dword [eax]
jmp 0x40f3a0
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x40ef64
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x419d80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00405d61
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x40ef07
call fcn.00405d3b
mov dword [eax], 0xd
jmp 0x40ef07
cmp eax, 2
jne 0x40ef6f
or byte [ebp - 1], 0x40
jmp 0x40ef78
cmp eax, 3
jne 0x40ef78
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0040a696
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x419d80]
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 + 0x419d80]
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 0x40f04d
test cl, 0x80
je 0x40f11d
test byte [ebp + 0x10], 2
je 0x40f04d
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0040aa66
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x40f00c
call fcn.00405d4e
cmp dword [eax], 0x83
je 0x40f04d
push dword [esi]
call fcn.004077d7
jmp 0x40ef06
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0040d41e
add esp, 0xc
test eax, eax
jne 0x40f03d
cmp byte [ebp - 4], 0x1a
jne 0x40f03d
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00410edc
add esp, 0xc
cmp eax, edi
je 0x40f000
push ebx
push ebx
push dword [esi]
call fcn.0040aa66
add esp, 0xc
cmp eax, edi
je 0x40f000
test byte [ebp - 1], 0x80
je 0x40f11d
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x40f075
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x40f072
or dword [ebp + 0x10], edi
jmp 0x40f075
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x40f0c2
cmp eax, 0x10000
je 0x40f0ae
cmp eax, 0x14000
je 0x40f0ae
cmp eax, 0x20000
je 0x40f0bc
cmp eax, 0x24000
je 0x40f0bc
cmp eax, 0x40000
je 0x40f0a8
cmp eax, 0x44000
jne 0x40f0c5
mov byte [ebp - 2], 1
jmp 0x40f0c5
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x40f0c5
mov byte [ebp - 2], 2
jmp 0x40f0c5
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x40f11d
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x40f11d
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x40f277
cmp eax, 0x80000000
je 0x40f23e
cmp eax, ecx
jne 0x40f11d
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x40f11d
cmp eax, 2
jbe 0x40f31f
cmp eax, 4
jbe 0x40f210
cmp eax, 5
je 0x40f31f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x419d80]
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 + 0x419d80]
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 0x40f18f
test byte [ebp + 0x10], 8
je 0x40f18f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x419d80]
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 0x40f39e
test byte [ebp + 0x10], 1
je 0x40f39e
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 0x40f387
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00405d61
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x419d80]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0040a713
pop ecx
jmp 0x40ef06
push 2
push ebx
push ebx
push dword [esi]
call fcn.0040e721
add esp, 0x10
or eax, edx
je 0x40f31f
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0040e721
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x40f000
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0040d41e
add esp, 0xc
cmp eax, 0xffffffff
je 0x40f000
cmp eax, 2
je 0x40f2c3
cmp eax, 3
jne 0x40f311
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x40f2c3
mov byte [ebp - 2], 1
jmp 0x40f11d
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x40f11d
cmp eax, 2
jbe 0x40f31f
cmp eax, 4
ja 0x40f114
push 2
push ebx
push ebx
push dword [esi]
call fcn.0040e721
add esp, 0x10
or eax, edx
je 0x40f31f
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0040e721
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x40f11d
jmp 0x40f000
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x40f2eb
push dword [esi]
call fcn.004077d7
pop ecx
call fcn.00405d3b
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x40f3a0
cmp eax, 0xfeff
jne 0x40f311
push ebx
push 2
push dword [esi]
call fcn.0040aa66
add esp, 0xc
cmp eax, 0xffffffff
je 0x40f000
mov byte [ebp - 2], 2
jmp 0x40f11d
push ebx
push ebx
push dword [esi]
call fcn.0040aa66
add esp, 0xc
jmp 0x40f2b5
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x40f33f
dec eax
jne 0x40f11d
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x40f34d
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.0040e564
add esp, 0xc
cmp eax, 0xffffffff
je 0x40f373
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x40f34d
jmp 0x40f11d
push dword [esi]
call fcn.004077d7
pop ecx
call fcn.00405d3b
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x40f3a0
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x419d80]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret