Function at 0x49d336
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 0x49d365
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x49d36f
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004a2664
test eax, eax
pop ecx
je 0x49d38a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047d678
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00482a61
test eax, eax
pop ecx
je 0x49d3a5
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047d678
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x49d3c2
test ecx, 0x74000
jne 0x49d3be
cmp dword [ebp - 0x24], eax
je 0x49d3c2
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x49d41c
dec eax
je 0x49d406
dec eax
je 0x49d401
call fcn.0048303d
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048302a
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0047d7ac
add esp, 0x14
jmp 0x49d9ce
mov dword [ebp - 8], edx
jmp 0x49d41f
test cl, 8
je 0x49d413
test ecx, 0x70000
jne 0x49d401
mov dword [ebp - 8], 0x40000000
jmp 0x49d41f
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x49d460
sub eax, ecx
je 0x49d457
sub eax, ecx
je 0x49d44e
sub eax, ecx
je 0x49d445
sub eax, 0x40
jne 0x49d3db
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x49d463
mov dword [ebp - 0x10], 3
jmp 0x49d463
mov dword [ebp - 0x10], 2
jmp 0x49d463
mov dword [ebp - 0x10], 1
jmp 0x49d463
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 0x49d4b6
je 0x49d4ad
cmp eax, ebx
je 0x49d4ad
cmp eax, edi
je 0x49d4a4
cmp eax, 0x200
je 0x49d529
cmp eax, 0x300
jne 0x49d3db
mov dword [ebp - 0x14], 2
jmp 0x49d4d3
mov dword [ebp - 0x14], 4
jmp 0x49d4d3
mov dword [ebp - 0x14], 3
jmp 0x49d4d3
cmp eax, 0x500
je 0x49d4cc
cmp eax, 0x600
je 0x49d529
cmp eax, edx
jne 0x49d3db
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x49d4f7
mov ecx, dword [0x4cea30]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x49d4f7
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x49d513
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x49d513
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x49d51c
or dword [ebp - 0xc], edi
test al, 0x20
je 0x49d532
or dword [ebp - 0xc], 0x8000000
jmp 0x49d53d
mov dword [ebp - 0x14], 5
jmp 0x49d4d3
test al, 0x10
je 0x49d53d
or dword [ebp - 0xc], 0x10000000
call fcn.0049cf02
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x49d563
call fcn.0048303d
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048302a
mov dword [eax], 0x18
jmp 0x49d5f1
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 0x49d5fd
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x49d5c9
test byte [ebp + 0x10], 1
je 0x49d5c9
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 0x49d5fd
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4cf320]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00483050
pop ecx
call fcn.0048302a
mov eax, dword [eax]
jmp 0x49da8a
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x49d64e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4cf320]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00483050
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x49d5f1
call fcn.0048302a
mov dword [eax], 0xd
jmp 0x49d5f1
cmp eax, 2
jne 0x49d659
or byte [ebp - 1], 0x40
jmp 0x49d662
cmp eax, 3
jne 0x49d662
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0049ccd1
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4cf320]
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 + 0x4cf320]
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 0x49d737
test cl, 0x80
je 0x49d807
test byte [ebp + 0x10], 2
je 0x49d737
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0048ae87
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x49d6f6
call fcn.0048303d
cmp dword [eax], 0x83
je 0x49d737
push dword [esi]
call fcn.00489ee8
jmp 0x49d5f0
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0048a53d
add esp, 0xc
test eax, eax
jne 0x49d727
cmp byte [ebp - 4], 0x1a
jne 0x49d727
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004a22a9
add esp, 0xc
cmp eax, edi
je 0x49d6ea
push ebx
push ebx
push dword [esi]
call fcn.0048ae87
add esp, 0xc
cmp eax, edi
je 0x49d6ea
test byte [ebp - 1], 0x80
je 0x49d807
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x49d75f
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x49d75c
or dword [ebp + 0x10], edi
jmp 0x49d75f
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x49d7ac
cmp eax, 0x10000
je 0x49d798
cmp eax, 0x14000
je 0x49d798
cmp eax, 0x20000
je 0x49d7a6
cmp eax, 0x24000
je 0x49d7a6
cmp eax, 0x40000
je 0x49d792
cmp eax, 0x44000
jne 0x49d7af
mov byte [ebp - 2], 1
jmp 0x49d7af
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x49d7af
mov byte [ebp - 2], 2
jmp 0x49d7af
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x49d807
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x49d807
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x49d961
cmp eax, 0x80000000
je 0x49d928
cmp eax, ecx
jne 0x49d807
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49d807
cmp eax, 2
jbe 0x49da09
cmp eax, 4
jbe 0x49d8fa
cmp eax, 5
je 0x49da09
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cf320]
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 + 0x4cf320]
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 0x49d879
test byte [ebp + 0x10], 8
je 0x49d879
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cf320]
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 0x49da88
test byte [ebp + 0x10], 1
je 0x49da88
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 0x49da71
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00483050
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cf320]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0049cd4e
pop ecx
jmp 0x49d5f0
push 2
push ebx
push ebx
push dword [esi]
call fcn.00495885
add esp, 0x10
or eax, edx
je 0x49da09
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00495885
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x49d6ea
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0048a53d
add esp, 0xc
cmp eax, 0xffffffff
je 0x49d6ea
cmp eax, 2
je 0x49d9ad
cmp eax, 3
jne 0x49d9fb
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x49d9ad
mov byte [ebp - 2], 1
jmp 0x49d807
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49d807
cmp eax, 2
jbe 0x49da09
cmp eax, 4
ja 0x49d7fe
push 2
push ebx
push ebx
push dword [esi]
call fcn.00495885
add esp, 0x10
or eax, edx
je 0x49da09
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00495885
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x49d807
jmp 0x49d6ea
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x49d9d5
push dword [esi]
call fcn.00489ee8
pop ecx
call fcn.0048302a
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x49da8a
cmp eax, 0xfeff
jne 0x49d9fb
push ebx
push 2
push dword [esi]
call fcn.0048ae87
add esp, 0xc
cmp eax, 0xffffffff
je 0x49d6ea
mov byte [ebp - 2], 2
jmp 0x49d807
push ebx
push ebx
push dword [esi]
call fcn.0048ae87
add esp, 0xc
jmp 0x49d99f
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x49da29
dec eax
jne 0x49d807
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x49da37
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.00495fe7
add esp, 0xc
cmp eax, 0xffffffff
je 0x49da5d
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x49da37
jmp 0x49d807
push dword [esi]
call fcn.00489ee8
pop ecx
call fcn.0048302a
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x49da8a
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cf320]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret