Function at 0x49ddc4
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 0x49ddf3
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x49ddfd
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049fa6a
test eax, eax
pop ecx
je 0x49de18
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048c36f
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0048ccfb
test eax, eax
pop ecx
je 0x49de33
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048c36f
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x49de50
test ecx, 0x74000
jne 0x49de4c
cmp dword [ebp - 0x24], eax
je 0x49de50
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, connect
je 0x49deaa
dec eax
je 0x49de94
dec eax
je 0x49de8f
call fcn.0048c12e
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048c11b
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048c46b
add esp, 0x14
jmp 0x49e45c
mov dword [ebp - 8], edx
jmp 0x49dead
test cl, 8
je 0x49dea1
test ecx, 0x70000
jne 0x49de8f
mov dword [ebp - 8], 0x40000000
jmp 0x49dead
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x49deee
sub eax, ecx
je 0x49dee5
sub eax, ecx
je 0x49dedc
sub eax, ecx
je 0x49ded3
sub eax, 0x40
jne 0x49de69
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x49def1
mov dword [ebp - 0x10], 3
jmp 0x49def1
mov dword [ebp - 0x10], 2
jmp 0x49def1
mov dword [ebp - 0x10], 1
jmp 0x49def1
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 0x49df44
je 0x49df3b
cmp eax, ebx
je 0x49df3b
cmp eax, edi
je 0x49df32
cmp eax, 0x200
je 0x49dfb7
cmp eax, 0x300
jne 0x49de69
mov dword [ebp - 0x14], 2
jmp 0x49df61
mov dword [ebp - 0x14], 4
jmp 0x49df61
mov dword [ebp - 0x14], 3
jmp 0x49df61
cmp eax, 0x500
je 0x49df5a
cmp eax, 0x600
je 0x49dfb7
cmp eax, edx
jne 0x49de69
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x49df85
mov ecx, dword [0x4ec9ec]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x49df85
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x49dfa1
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x49dfa1
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x49dfaa
or dword [ebp - 0xc], edi
test al, 0x20
je 0x49dfc0
or dword [ebp - 0xc], 0x8000000
jmp 0x49dfcb
mov dword [ebp - 0x14], 5
jmp 0x49df61
test al, 0x10
je 0x49dfcb
or dword [ebp - 0xc], 0x10000000
call fcn.0049d83f
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x49dff1
call fcn.0048c12e
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048c11b
mov dword [eax], 0x18
jmp 0x49e07f
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 0x49e08b
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x49e057
test byte [ebp + 0x10], 1
je 0x49e057
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 0x49e08b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4ed600]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0048c141
pop ecx
call fcn.0048c11b
mov eax, dword [eax]
jmp 0x49e518
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x49e0dc
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4ed600]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0048c141
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x49e07f
call fcn.0048c11b
mov dword [eax], 0xd
jmp 0x49e07f
cmp eax, 2
jne 0x49e0e7
or byte [ebp - 1], 0x40
jmp 0x49e0f0
cmp eax, 3
jne 0x49e0f0
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0049d60e
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4ed600]
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 + 0x4ed600]
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 0x49e1c5
test cl, 0x80
je 0x49e295
test byte [ebp + 0x10], 2
je 0x49e1c5
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004988d3
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x49e184
call fcn.0048c12e
cmp dword [eax], 0x83
je 0x49e1c5
push dword [esi]
call fcn.0049343c
jmp 0x49e07e
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0049f02a
add esp, 0xc
test eax, eax
jne 0x49e1b5
cmp byte [ebp - 4], 0x1a
jne 0x49e1b5
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0049f7fa
add esp, 0xc
cmp eax, edi
je 0x49e178
push ebx
push ebx
push dword [esi]
call fcn.004988d3
add esp, 0xc
cmp eax, edi
je 0x49e178
test byte [ebp - 1], 0x80
je 0x49e295
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x49e1ed
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x49e1ea
or dword [ebp + 0x10], edi
jmp 0x49e1ed
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x49e23a
cmp eax, 0x10000
je 0x49e226
cmp eax, 0x14000
je 0x49e226
cmp eax, 0x20000
je 0x49e234
cmp eax, 0x24000
je 0x49e234
cmp eax, 0x40000
je 0x49e220
cmp eax, 0x44000
jne 0x49e23d
mov byte [ebp - 2], 1
jmp 0x49e23d
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x49e23d
mov byte [ebp - 2], 2
jmp 0x49e23d
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x49e295
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x49e295
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x49e3ef
cmp eax, 0x80000000
je 0x49e3b6
cmp eax, ecx
jne 0x49e295
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49e295
cmp eax, 2
jbe 0x49e497
cmp eax, 4
jbe 0x49e388
cmp eax, 5
je 0x49e497
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ed600]
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 + 0x4ed600]
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 0x49e307
test byte [ebp + 0x10], 8
je 0x49e307
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ed600]
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 0x49e516
test byte [ebp + 0x10], 1
je 0x49e516
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 0x49e4ff
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0048c141
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ed600]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0049d68b
pop ecx
jmp 0x49e07e
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049d9de
add esp, 0x10
or eax, edx
je 0x49e497
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049d9de
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x49e178
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0049f02a
add esp, 0xc
cmp eax, 0xffffffff
je 0x49e178
cmp eax, 2
je 0x49e43b
cmp eax, 3
jne 0x49e489
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x49e43b
mov byte [ebp - 2], 1
jmp 0x49e295
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49e295
cmp eax, 2
jbe 0x49e497
cmp eax, 4
ja 0x49e28c
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049d9de
add esp, 0x10
or eax, edx
je 0x49e497
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049d9de
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x49e295
jmp 0x49e178
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x49e463
push dword [esi]
call fcn.0049343c
pop ecx
call fcn.0048c11b
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x49e518
cmp eax, 0xfeff
jne 0x49e489
push ebx
push 2
push dword [esi]
call fcn.004988d3
add esp, 0xc
cmp eax, 0xffffffff
je 0x49e178
mov byte [ebp - 2], 2
jmp 0x49e295
push ebx
push ebx
push dword [esi]
call fcn.004988d3
add esp, 0xc
jmp 0x49e42d
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x49e4b7
dec eax
jne 0x49e295
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x49e4c5
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.00493f1c
add esp, 0xc
cmp eax, 0xffffffff
je 0x49e4eb
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x49e4c5
jmp 0x49e295
push dword [esi]
call fcn.0049343c
pop ecx
call fcn.0048c11b
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x49e518
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ed600]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret