Function at 0x4b063c
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 0x4b066b
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x4b0675
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004ab3f5
test eax, eax
pop ecx
je 0x4b0690
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00495fe0
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0049b06f
test eax, eax
pop ecx
je 0x4b06ab
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00495fe0
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4b06c8
test ecx, 0x74000
jne 0x4b06c4
cmp dword [ebp - 0x24], eax
je 0x4b06c8
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x4b0722
dec eax
je 0x4b070c
dec eax
je 0x4b0707
call fcn.0049b456
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0049b443
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004960dc
add esp, 0x14
jmp 0x4b0cd5
mov dword [ebp - 8], edx
jmp 0x4b0725
test cl, 8
je 0x4b0719
test ecx, 0x70000
jne 0x4b0707
mov dword [ebp - 8], 0x40000000
jmp 0x4b0725
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4b0766
sub eax, ecx
je 0x4b075d
sub eax, ecx
je 0x4b0754
sub eax, ecx
je 0x4b074b
sub eax, 0x40
jne 0x4b06e1
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4b0769
mov dword [ebp - 0x10], 3
jmp 0x4b0769
mov dword [ebp - 0x10], 2
jmp 0x4b0769
mov dword [ebp - 0x10], 1
jmp 0x4b0769
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 0x4b07bc
je 0x4b07b3
cmp eax, ebx
je 0x4b07b3
cmp eax, edi
je 0x4b07aa
cmp eax, 0x200
je 0x4b082f
cmp eax, 0x300
jne 0x4b06e1
mov dword [ebp - 0x14], 2
jmp 0x4b07d9
mov dword [ebp - 0x14], 4
jmp 0x4b07d9
mov dword [ebp - 0x14], 3
jmp 0x4b07d9
cmp eax, 0x500
je 0x4b07d2
cmp eax, 0x600
je 0x4b082f
cmp eax, edx
jne 0x4b06e1
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4b07fd
mov ecx, dword [0x4ea084]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4b07fd
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4b0819
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4b0819
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4b0822
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4b0838
or dword [ebp - 0xc], 0x8000000
jmp 0x4b0843
mov dword [ebp - 0x14], 5
jmp 0x4b07d9
test al, 0x10
je 0x4b0843
or dword [ebp - 0xc], 0x10000000
call fcn.0049ae27
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4b0869
call fcn.0049b456
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0049b443
mov dword [eax], 0x18
jmp 0x4b08f7
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 0x4b0903
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4b08cf
test byte [ebp + 0x10], 1
je 0x4b08cf
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 0x4b0903
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x54e9e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0049b469
pop ecx
call fcn.0049b443
mov eax, dword [eax]
jmp 0x4b0d91
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4b0954
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x54e9e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0049b469
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4b08f7
call fcn.0049b443
mov dword [eax], 0xd
jmp 0x4b08f7
cmp eax, 2
jne 0x4b095f
or byte [ebp - 1], 0x40
jmp 0x4b0968
cmp eax, 3
jne 0x4b0968
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0049abf6
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x54e9e0]
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 + 0x54e9e0]
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 0x4b0a3e
test cl, 0x80
je 0x4b0b0e
test byte [ebp + 0x10], 2
je 0x4b0a3e
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004a5fe5
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4b09fc
call fcn.0049b456
cmp dword [eax], 0x83
je 0x4b0a3e
push dword [esi]
call fcn.004a364d
jmp 0x4b08f6
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004a56a3
add esp, 0xc
test eax, eax
jne 0x4b0a2e
cmp word [ebp - 0x2c], 0x1a
jne 0x4b0a2e
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0049baec
add esp, 0xc
cmp eax, edi
je 0x4b09f0
push ebx
push ebx
push dword [esi]
call fcn.004a5fe5
add esp, 0xc
cmp eax, edi
je 0x4b09f0
test byte [ebp - 1], 0x80
je 0x4b0b0e
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4b0a66
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4b0a63
or dword [ebp + 0x10], edi
jmp 0x4b0a66
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4b0ab3
cmp eax, 0x10000
je 0x4b0a9f
cmp eax, 0x14000
je 0x4b0a9f
cmp eax, 0x20000
je 0x4b0aad
cmp eax, 0x24000
je 0x4b0aad
cmp eax, 0x40000
je 0x4b0a99
cmp eax, 0x44000
jne 0x4b0ab6
mov byte [ebp - 2], 1
jmp 0x4b0ab6
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4b0ab6
mov byte [ebp - 2], 2
jmp 0x4b0ab6
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4b0b0e
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4b0b0e
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4b0c68
cmp eax, 0x80000000
je 0x4b0c2f
cmp eax, ecx
jne 0x4b0b0e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4b0b0e
cmp eax, 2
jbe 0x4b0d10
cmp eax, 4
jbe 0x4b0c01
cmp eax, 5
je 0x4b0d10
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x54e9e0]
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 + 0x54e9e0]
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 0x4b0b80
test byte [ebp + 0x10], 8
je 0x4b0b80
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x54e9e0]
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 0x4b0d8f
test byte [ebp + 0x10], 1
je 0x4b0d8f
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 0x4b0d78
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0049b469
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x54e9e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0049ac73
pop ecx
jmp 0x4b08f6
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a8e22
add esp, 0x10
or eax, edx
je 0x4b0d10
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a8e22
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4b09f0
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004a56a3
add esp, 0xc
cmp eax, 0xffffffff
je 0x4b09f0
cmp eax, 2
je 0x4b0cb4
cmp eax, 3
jne 0x4b0d02
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4b0cb4
mov byte [ebp - 2], 1
jmp 0x4b0b0e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4b0b0e
cmp eax, 2
jbe 0x4b0d10
cmp eax, 4
ja 0x4b0b05
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a8e22
add esp, 0x10
or eax, edx
je 0x4b0d10
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a8e22
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4b0b0e
jmp 0x4b09f0
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4b0cdc
push dword [esi]
call fcn.004a364d
pop ecx
call fcn.0049b443
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4b0d91
cmp eax, 0xfeff
jne 0x4b0d02
push ebx
push 2
push dword [esi]
call fcn.004a5fe5
add esp, 0xc
cmp eax, 0xffffffff
je 0x4b09f0
mov byte [ebp - 2], 2
jmp 0x4b0b0e
push ebx
push ebx
push dword [esi]
call fcn.004a5fe5
add esp, 0xc
jmp 0x4b0ca6
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4b0d30
dec eax
jne 0x4b0b0e
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4b0d3e
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.0049a3e3
add esp, 0xc
cmp eax, 0xffffffff
je 0x4b0d64
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4b0d3e
jmp 0x4b0b0e
push dword [esi]
call fcn.004a364d
pop ecx
call fcn.0049b443
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4b0d91
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x54e9e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret