Function at 0x4184ff
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 0x41852e
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x418538
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004215ef
test eax, eax
pop ecx
je 0x418553
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00410e1f
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00416a5f
test eax, eax
pop ecx
je 0x41856e
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00410e1f
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x41858b
test ecx, 0x74000
jne 0x418587
cmp dword [ebp - 0x24], eax
je 0x41858b
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x4185e5
dec eax
je 0x4185cf
dec eax
je 0x4185ca
call fcn.00412e4a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00412e37
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00410f1b
add esp, 0x14
jmp 0x418b98
mov dword [ebp - 8], edx
jmp 0x4185e8
test cl, 8
je 0x4185dc
test ecx, 0x70000
jne 0x4185ca
mov dword [ebp - 8], 0x40000000
jmp 0x4185e8
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x418629
sub eax, ecx
je 0x418620
sub eax, ecx
je 0x418617
sub eax, ecx
je 0x41860e
sub eax, 0x40
jne 0x4185a4
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x41862c
mov dword [ebp - 0x10], 3
jmp 0x41862c
mov dword [ebp - 0x10], 2
jmp 0x41862c
mov dword [ebp - 0x10], 1
jmp 0x41862c
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 0x41867f
je 0x418676
cmp eax, ebx
je 0x418676
cmp eax, edi
je 0x41866d
cmp eax, 0x200
je 0x4186f2
cmp eax, 0x300
jne 0x4185a4
mov dword [ebp - 0x14], 2
jmp 0x41869c
mov dword [ebp - 0x14], 4
jmp 0x41869c
mov dword [ebp - 0x14], 3
jmp 0x41869c
cmp eax, 0x500
je 0x418695
cmp eax, 0x600
je 0x4186f2
cmp eax, edx
jne 0x4185a4
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4186c0
mov ecx, dword [0x46b9d4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4186c0
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4186dc
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4186dc
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4186e5
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4186fb
or dword [ebp - 0xc], 0x8000000
jmp 0x418706
mov dword [ebp - 0x14], 5
jmp 0x41869c
test al, 0x10
je 0x418706
or dword [ebp - 0xc], 0x10000000
call fcn.00419350
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x41872c
call fcn.00412e4a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00412e37
mov dword [eax], 0x18
jmp 0x4187ba
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 0x4187c6
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x418792
test byte [ebp + 0x10], 1
je 0x418792
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 0x4187c6
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x46c2a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00412e5d
pop ecx
call fcn.00412e37
mov eax, dword [eax]
jmp 0x418c54
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x418817
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x46c2a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00412e5d
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4187ba
call fcn.00412e37
mov dword [eax], 0xd
jmp 0x4187ba
cmp eax, 2
jne 0x418822
or byte [ebp - 1], 0x40
jmp 0x41882b
cmp eax, 3
jne 0x41882b
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0041911f
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x46c2a0]
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 + 0x46c2a0]
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 0x418901
test cl, 0x80
je 0x4189d1
test byte [ebp + 0x10], 2
je 0x418901
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0040e13c
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4188bf
call fcn.00412e4a
cmp dword [eax], 0x83
je 0x418901
push dword [esi]
call fcn.0040dfdb
jmp 0x4187b9
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0040d27b
add esp, 0xc
test eax, eax
jne 0x4188f1
cmp word [ebp - 0x2c], 0x1a
jne 0x4188f1
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0042137f
add esp, 0xc
cmp eax, edi
je 0x4188b3
push ebx
push ebx
push dword [esi]
call fcn.0040e13c
add esp, 0xc
cmp eax, edi
je 0x4188b3
test byte [ebp - 1], 0x80
je 0x4189d1
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x418929
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x418926
or dword [ebp + 0x10], edi
jmp 0x418929
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x418976
cmp eax, 0x10000
je 0x418962
cmp eax, 0x14000
je 0x418962
cmp eax, 0x20000
je 0x418970
cmp eax, 0x24000
je 0x418970
cmp eax, 0x40000
je 0x41895c
cmp eax, 0x44000
jne 0x418979
mov byte [ebp - 2], 1
jmp 0x418979
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x418979
mov byte [ebp - 2], 2
jmp 0x418979
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4189d1
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4189d1
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x418b2b
cmp eax, 0x80000000
je 0x418af2
cmp eax, ecx
jne 0x4189d1
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4189d1
cmp eax, 2
jbe 0x418bd3
cmp eax, 4
jbe 0x418ac4
cmp eax, 5
je 0x418bd3
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x46c2a0]
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 + 0x46c2a0]
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 0x418a43
test byte [ebp + 0x10], 8
je 0x418a43
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x46c2a0]
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 0x418c52
test byte [ebp + 0x10], 1
je 0x418c52
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 0x418c3b
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00412e5d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x46c2a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0041919c
pop ecx
jmp 0x4187b9
push 2
push ebx
push ebx
push dword [esi]
call fcn.00418d43
add esp, 0x10
or eax, edx
je 0x418bd3
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00418d43
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4188b3
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0040d27b
add esp, 0xc
cmp eax, 0xffffffff
je 0x4188b3
cmp eax, 2
je 0x418b77
cmp eax, 3
jne 0x418bc5
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x418b77
mov byte [ebp - 2], 1
jmp 0x4189d1
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4189d1
cmp eax, 2
jbe 0x418bd3
cmp eax, 4
ja 0x4189c8
push 2
push ebx
push ebx
push dword [esi]
call fcn.00418d43
add esp, 0x10
or eax, edx
je 0x418bd3
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00418d43
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4189d1
jmp 0x4188b3
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x418b9f
push dword [esi]
call fcn.0040dfdb
pop ecx
call fcn.00412e37
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x418c54
cmp eax, 0xfeff
jne 0x418bc5
push ebx
push 2
push dword [esi]
call fcn.0040e13c
add esp, 0xc
cmp eax, 0xffffffff
je 0x4188b3
mov byte [ebp - 2], 2
jmp 0x4189d1
push ebx
push ebx
push dword [esi]
call fcn.0040e13c
add esp, 0xc
jmp 0x418b69
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x418bf3
dec eax
jne 0x4189d1
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x418c01
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.0040deff
add esp, 0xc
cmp eax, 0xffffffff
je 0x418c27
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x418c01
jmp 0x4189d1
push dword [esi]
call fcn.0040dfdb
pop ecx
call fcn.00412e37
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x418c54
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x46c2a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret