Function at 0x40e946
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 0x40e975
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x40e97f
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004150e2
test eax, eax
pop ecx
je 0x40e99a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040cb2d
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004106e5
test eax, eax
pop ecx
je 0x40e9b5
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040cb2d
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x40e9d2
test ecx, 0x74000
jne 0x40e9ce
cmp dword [ebp - 0x24], eax
je 0x40e9d2
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x40ea2c
dec eax
je 0x40ea16
dec eax
je 0x40ea11
call fcn.0040a591
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0040a57e
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0040cc29
add esp, 0x14
jmp 0x40efde
mov dword [ebp - 8], edx
jmp 0x40ea2f
test cl, 8
je 0x40ea23
test ecx, 0x70000
jne 0x40ea11
mov dword [ebp - 8], 0x40000000
jmp 0x40ea2f
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x40ea70
sub eax, ecx
je 0x40ea67
sub eax, ecx
je 0x40ea5e
sub eax, ecx
je 0x40ea55
sub eax, 0x40
jne 0x40e9eb
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x40ea73
mov dword [ebp - 0x10], 3
jmp 0x40ea73
mov dword [ebp - 0x10], 2
jmp 0x40ea73
mov dword [ebp - 0x10], 1
jmp 0x40ea73
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 0x40eac6
je 0x40eabd
cmp eax, ebx
je 0x40eabd
cmp eax, edi
je 0x40eab4
cmp eax, 0x200
je 0x40eb39
cmp eax, 0x300
jne 0x40e9eb
mov dword [ebp - 0x14], 2
jmp 0x40eae3
mov dword [ebp - 0x14], 4
jmp 0x40eae3
mov dword [ebp - 0x14], 3
jmp 0x40eae3
cmp eax, 0x500
je 0x40eadc
cmp eax, 0x600
je 0x40eb39
cmp eax, edx
jne 0x40e9eb
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x40eb07
mov ecx, dword [0x457a64]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x40eb07
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x40eb23
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x40eb23
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x40eb2c
or dword [ebp - 0xc], edi
test al, 0x20
je 0x40eb42
or dword [ebp - 0xc], 0x8000000
jmp 0x40eb4d
mov dword [ebp - 0x14], 5
jmp 0x40eae3
test al, 0x10
je 0x40eb4d
or dword [ebp - 0xc], 0x10000000
call fcn.0040e406
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x40eb73
call fcn.0040a591
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0040a57e
mov dword [eax], 0x18
jmp 0x40ec01
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 0x40ec0d
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x40ebd9
test byte [ebp + 0x10], 1
je 0x40ebd9
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 0x40ec0d
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x457f60]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040a5a4
pop ecx
call fcn.0040a57e
mov eax, dword [eax]
jmp 0x40f09a
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x40ec5e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x457f60]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0040a5a4
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x40ec01
call fcn.0040a57e
mov dword [eax], 0xd
jmp 0x40ec01
cmp eax, 2
jne 0x40ec69
or byte [ebp - 1], 0x40
jmp 0x40ec72
cmp eax, 3
jne 0x40ec72
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0040e1d5
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x457f60]
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 + 0x457f60]
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 0x40ed47
test cl, 0x80
je 0x40ee17
test byte [ebp + 0x10], 2
je 0x40ed47
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00414fb4
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x40ed06
call fcn.0040a591
cmp dword [eax], 0x83
je 0x40ed47
push dword [esi]
call fcn.0040e7e5
jmp 0x40ec00
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004148f6
add esp, 0xc
test eax, eax
jne 0x40ed37
cmp byte [ebp - 4], 0x1a
jne 0x40ed37
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00414742
add esp, 0xc
cmp eax, edi
je 0x40ecfa
push ebx
push ebx
push dword [esi]
call fcn.00414fb4
add esp, 0xc
cmp eax, edi
je 0x40ecfa
test byte [ebp - 1], 0x80
je 0x40ee17
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x40ed6f
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x40ed6c
or dword [ebp + 0x10], edi
jmp 0x40ed6f
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x40edbc
cmp eax, 0x10000
je 0x40eda8
cmp eax, 0x14000
je 0x40eda8
cmp eax, 0x20000
je 0x40edb6
cmp eax, 0x24000
je 0x40edb6
cmp eax, 0x40000
je 0x40eda2
cmp eax, 0x44000
jne 0x40edbf
mov byte [ebp - 2], 1
jmp 0x40edbf
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x40edbf
mov byte [ebp - 2], 2
jmp 0x40edbf
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x40ee17
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x40ee17
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x40ef71
cmp eax, 0x80000000
je 0x40ef38
cmp eax, ecx
jne 0x40ee17
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x40ee17
cmp eax, 2
jbe 0x40f019
cmp eax, 4
jbe 0x40ef0a
cmp eax, 5
je 0x40f019
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x457f60]
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 + 0x457f60]
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 0x40ee89
test byte [ebp + 0x10], 8
je 0x40ee89
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x457f60]
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 0x40f098
test byte [ebp + 0x10], 1
je 0x40f098
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 0x40f081
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040a5a4
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x457f60]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0040e252
pop ecx
jmp 0x40ec00
push 2
push ebx
push ebx
push dword [esi]
call fcn.004139fe
add esp, 0x10
or eax, edx
je 0x40f019
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004139fe
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x40ecfa
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004148f6
add esp, 0xc
cmp eax, 0xffffffff
je 0x40ecfa
cmp eax, 2
je 0x40efbd
cmp eax, 3
jne 0x40f00b
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x40efbd
mov byte [ebp - 2], 1
jmp 0x40ee17
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x40ee17
cmp eax, 2
jbe 0x40f019
cmp eax, 4
ja 0x40ee0e
push 2
push ebx
push ebx
push dword [esi]
call fcn.004139fe
add esp, 0x10
or eax, edx
je 0x40f019
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004139fe
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x40ee17
jmp 0x40ecfa
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x40efe5
push dword [esi]
call fcn.0040e7e5
pop ecx
call fcn.0040a57e
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x40f09a
cmp eax, 0xfeff
jne 0x40f00b
push ebx
push 2
push dword [esi]
call fcn.00414fb4
add esp, 0xc
cmp eax, 0xffffffff
je 0x40ecfa
mov byte [ebp - 2], 2
jmp 0x40ee17
push ebx
push ebx
push dword [esi]
call fcn.00414fb4
add esp, 0xc
jmp 0x40efaf
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x40f039
dec eax
jne 0x40ee17
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x40f047
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.00414160
add esp, 0xc
cmp eax, 0xffffffff
je 0x40f06d
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x40f047
jmp 0x40ee17
push dword [esi]
call fcn.0040e7e5
pop ecx
call fcn.0040a57e
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x40f09a
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x457f60]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret