Function at 0x4c0000
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 0x4c002f
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4c0039
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004c3332
test eax, eax
pop ecx
je 0x4c0054
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004ad92f
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004abb30
test eax, eax
pop ecx
je 0x4c006f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004ad92f
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4c008c
test ecx, 0x74000
jne 0x4c0088
cmp dword [ebp - 0x24], eax
je 0x4c008c
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, connect
je 0x4c00e6
dec eax
je 0x4c00d0
dec eax
je 0x4c00cb
call fcn.004b0a3c
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004b0a29
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004ada2b
add esp, 0x14
jmp 0x4c0698
mov dword [ebp - 8], edx
jmp 0x4c00e9
test cl, 8
je 0x4c00dd
test ecx, 0x70000
jne 0x4c00cb
mov dword [ebp - 8], 0x40000000
jmp 0x4c00e9
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4c012a
sub eax, ecx
je 0x4c0121
sub eax, ecx
je 0x4c0118
sub eax, ecx
je 0x4c010f
sub eax, 0x40
jne 0x4c00a5
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4c012d
mov dword [ebp - 0x10], 3
jmp 0x4c012d
mov dword [ebp - 0x10], 2
jmp 0x4c012d
mov dword [ebp - 0x10], 1
jmp 0x4c012d
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 0x4c0180
je 0x4c0177
cmp eax, ebx
je 0x4c0177
cmp eax, edi
je 0x4c016e
cmp eax, 0x200
je 0x4c01f3
cmp eax, 0x300
jne 0x4c00a5
mov dword [ebp - 0x14], 2
jmp 0x4c019d
mov dword [ebp - 0x14], 4
jmp 0x4c019d
mov dword [ebp - 0x14], 3
jmp 0x4c019d
cmp eax, 0x500
je 0x4c0196
cmp eax, 0x600
je 0x4c01f3
cmp eax, edx
jne 0x4c00a5
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4c01c1
mov ecx, dword [0x780da0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4c01c1
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4c01dd
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4c01dd
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4c01e6
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4c01fc
or dword [ebp - 0xc], 0x8000000
jmp 0x4c0207
mov dword [ebp - 0x14], 5
jmp 0x4c019d
test al, 0x10
je 0x4c0207
or dword [ebp - 0xc], 0x10000000
call fcn.004c0f58
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4c022d
call fcn.004b0a3c
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004b0a29
mov dword [eax], 0x18
jmp 0x4c02bb
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 0x4c02c7
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4c0293
test byte [ebp + 0x10], 1
je 0x4c0293
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 0x4c02c7
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0xb37820]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004b0a4f
pop ecx
call fcn.004b0a29
mov eax, dword [eax]
jmp 0x4c0754
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4c0318
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0xb37820]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004b0a4f
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4c02bb
call fcn.004b0a29
mov dword [eax], 0xd
jmp 0x4c02bb
cmp eax, 2
jne 0x4c0323
or byte [ebp - 1], 0x40
jmp 0x4c032c
cmp eax, 3
jne 0x4c032c
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004c0d27
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0xb37820]
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 + 0xb37820]
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 0x4c0401
test cl, 0x80
je 0x4c04d1
test byte [ebp + 0x10], 2
je 0x4c0401
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004bd153
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4c03c0
call fcn.004b0a3c
cmp dword [eax], 0x83
je 0x4c0401
push dword [esi]
call fcn.004b5031
jmp 0x4c02ba
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004bca95
add esp, 0xc
test eax, eax
jne 0x4c03f1
cmp byte [ebp - 4], 0x1a
jne 0x4c03f1
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004c30c2
add esp, 0xc
cmp eax, edi
je 0x4c03b4
push ebx
push ebx
push dword [esi]
call fcn.004bd153
add esp, 0xc
cmp eax, edi
je 0x4c03b4
test byte [ebp - 1], 0x80
je 0x4c04d1
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4c0429
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4c0426
or dword [ebp + 0x10], edi
jmp 0x4c0429
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4c0476
cmp eax, 0x10000
je 0x4c0462
cmp eax, 0x14000
je 0x4c0462
cmp eax, 0x20000
je 0x4c0470
cmp eax, 0x24000
je 0x4c0470
cmp eax, 0x40000
je 0x4c045c
cmp eax, 0x44000
jne 0x4c0479
mov byte [ebp - 2], 1
jmp 0x4c0479
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4c0479
mov byte [ebp - 2], 2
jmp 0x4c0479
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4c04d1
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4c04d1
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4c062b
cmp eax, 0x80000000
je 0x4c05f2
cmp eax, ecx
jne 0x4c04d1
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4c04d1
cmp eax, 2
jbe 0x4c06d3
cmp eax, 4
jbe 0x4c05c4
cmp eax, 5
je 0x4c06d3
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0xb37820]
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 + 0xb37820]
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 0x4c0543
test byte [ebp + 0x10], 8
je 0x4c0543
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0xb37820]
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 0x4c0752
test byte [ebp + 0x10], 1
je 0x4c0752
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 0x4c073b
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004b0a4f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0xb37820]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004c0da4
pop ecx
jmp 0x4c02ba
push 2
push ebx
push ebx
push dword [esi]
call fcn.004beb7e
add esp, 0x10
or eax, edx
je 0x4c06d3
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004beb7e
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4c03b4
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004bca95
add esp, 0xc
cmp eax, 0xffffffff
je 0x4c03b4
cmp eax, 2
je 0x4c0677
cmp eax, 3
jne 0x4c06c5
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4c0677
mov byte [ebp - 2], 1
jmp 0x4c04d1
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4c04d1
cmp eax, 2
jbe 0x4c06d3
cmp eax, 4
ja 0x4c04c8
push 2
push ebx
push ebx
push dword [esi]
call fcn.004beb7e
add esp, 0x10
or eax, edx
je 0x4c06d3
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004beb7e
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4c04d1
jmp 0x4c03b4
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4c069f
push dword [esi]
call fcn.004b5031
pop ecx
call fcn.004b0a29
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4c0754
cmp eax, 0xfeff
jne 0x4c06c5
push ebx
push 2
push dword [esi]
call fcn.004bd153
add esp, 0xc
cmp eax, 0xffffffff
je 0x4c03b4
mov byte [ebp - 2], 2
jmp 0x4c04d1
push ebx
push ebx
push dword [esi]
call fcn.004bd153
add esp, 0xc
jmp 0x4c0669
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4c06f3
dec eax
jne 0x4c04d1
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4c0701
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.004bf2e0
add esp, 0xc
cmp eax, 0xffffffff
je 0x4c0727
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4c0701
jmp 0x4c04d1
push dword [esi]
call fcn.004b5031
pop ecx
call fcn.004b0a29
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4c0754
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0xb37820]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret