Function at 0x49353f
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 0x49356e
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x493578
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00495e10
test eax, eax
pop ecx
je 0x493593
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00466f33
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004720c0
test eax, eax
pop ecx
je 0x4935ae
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00466f33
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4935cb
test ecx, 0x74000
jne 0x4935c7
cmp dword [ebp - 0x24], eax
je 0x4935cb
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, connect
je 0x493625
dec eax
je 0x49360f
dec eax
je 0x49360a
call fcn.0047262c
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00472619
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00467067
add esp, 0x14
jmp 0x493bd8
mov dword [ebp - 8], edx
jmp 0x493628
test cl, 8
je 0x49361c
test ecx, 0x70000
jne 0x49360a
mov dword [ebp - 8], 0x40000000
jmp 0x493628
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x493669
sub eax, ecx
je 0x493660
sub eax, ecx
je 0x493657
sub eax, ecx
je 0x49364e
sub eax, 0x40
jne 0x4935e4
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x49366c
mov dword [ebp - 0x10], 3
jmp 0x49366c
mov dword [ebp - 0x10], 2
jmp 0x49366c
mov dword [ebp - 0x10], 1
jmp 0x49366c
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 0x4936bf
je 0x4936b6
cmp eax, ebx
je 0x4936b6
cmp eax, edi
je 0x4936ad
cmp eax, 0x200
je 0x493732
cmp eax, 0x300
jne 0x4935e4
mov dword [ebp - 0x14], 2
jmp 0x4936dc
mov dword [ebp - 0x14], 4
jmp 0x4936dc
mov dword [ebp - 0x14], 3
jmp 0x4936dc
cmp eax, 0x500
je 0x4936d5
cmp eax, 0x600
je 0x493732
cmp eax, edx
jne 0x4935e4
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x493700
mov ecx, dword [0x4c9658]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x493700
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x49371c
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x49371c
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x493725
or dword [ebp - 0xc], edi
test al, 0x20
je 0x49373b
or dword [ebp - 0xc], 0x8000000
jmp 0x493746
mov dword [ebp - 0x14], 5
jmp 0x4936dc
test al, 0x10
je 0x493746
or dword [ebp - 0xc], 0x10000000
call fcn.00487133
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x49376c
call fcn.0047262c
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00472619
mov dword [eax], 0x18
jmp 0x4937fa
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 0x493806
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4937d2
test byte [ebp + 0x10], 1
je 0x4937d2
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 0x493806
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4ca3a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047263f
pop ecx
call fcn.00472619
mov eax, dword [eax]
jmp 0x493c94
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x493857
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4ca3a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0047263f
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4937fa
call fcn.00472619
mov dword [eax], 0xd
jmp 0x4937fa
cmp eax, 2
jne 0x493862
or byte [ebp - 1], 0x40
jmp 0x49386b
cmp eax, 3
jne 0x49386b
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00486f02
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4ca3a0]
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 + 0x4ca3a0]
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 0x493941
test cl, 0x80
je 0x493a11
test byte [ebp + 0x10], 2
je 0x493941
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004833cb
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4938ff
call fcn.0047262c
cmp dword [eax], 0x83
je 0x493941
push dword [esi]
call fcn.00481083
jmp 0x4937f9
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0048449d
add esp, 0xc
test eax, eax
jne 0x493931
cmp word [ebp - 0x2c], 0x1a
jne 0x493931
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00495a55
add esp, 0xc
cmp eax, edi
je 0x4938f3
push ebx
push ebx
push dword [esi]
call fcn.004833cb
add esp, 0xc
cmp eax, edi
je 0x4938f3
test byte [ebp - 1], 0x80
je 0x493a11
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x493969
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x493966
or dword [ebp + 0x10], edi
jmp 0x493969
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4939b6
cmp eax, 0x10000
je 0x4939a2
cmp eax, 0x14000
je 0x4939a2
cmp eax, 0x20000
je 0x4939b0
cmp eax, 0x24000
je 0x4939b0
cmp eax, 0x40000
je 0x49399c
cmp eax, 0x44000
jne 0x4939b9
mov byte [ebp - 2], 1
jmp 0x4939b9
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4939b9
mov byte [ebp - 2], 2
jmp 0x4939b9
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x493a11
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x493a11
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x493b6b
cmp eax, 0x80000000
je 0x493b32
cmp eax, ecx
jne 0x493a11
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x493a11
cmp eax, 2
jbe 0x493c13
cmp eax, 4
jbe 0x493b04
cmp eax, 5
je 0x493c13
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ca3a0]
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 + 0x4ca3a0]
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 0x493a83
test byte [ebp + 0x10], 8
je 0x493a83
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ca3a0]
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 0x493c92
test byte [ebp + 0x10], 1
je 0x493c92
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 0x493c7b
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047263f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ca3a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00486f7f
pop ecx
jmp 0x4937f9
push 2
push ebx
push ebx
push dword [esi]
call fcn.00472a54
add esp, 0x10
or eax, edx
je 0x493c13
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00472a54
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4938f3
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0048449d
add esp, 0xc
cmp eax, 0xffffffff
je 0x4938f3
cmp eax, 2
je 0x493bb7
cmp eax, 3
jne 0x493c05
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x493bb7
mov byte [ebp - 2], 1
jmp 0x493a11
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x493a11
cmp eax, 2
jbe 0x493c13
cmp eax, 4
ja 0x493a08
push 2
push ebx
push ebx
push dword [esi]
call fcn.00472a54
add esp, 0x10
or eax, edx
je 0x493c13
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00472a54
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x493a11
jmp 0x4938f3
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x493bdf
push dword [esi]
call fcn.00481083
pop ecx
call fcn.00472619
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x493c94
cmp eax, 0xfeff
jne 0x493c05
push ebx
push 2
push dword [esi]
call fcn.004833cb
add esp, 0xc
cmp eax, 0xffffffff
je 0x4938f3
mov byte [ebp - 2], 2
jmp 0x493a11
push ebx
push ebx
push dword [esi]
call fcn.004833cb
add esp, 0xc
jmp 0x493ba9
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x493c33
dec eax
jne 0x493a11
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x493c41
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.004817d6
add esp, 0xc
cmp eax, 0xffffffff
je 0x493c67
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x493c41
jmp 0x493a11
push dword [esi]
call fcn.00481083
pop ecx
call fcn.00472619
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x493c94
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ca3a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret