Function at 0x4a4e05
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 0x4a4e34
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a4e3e
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004a9f77
test eax, eax
pop ecx
je 0x4a4e59
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00480fa8
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00489100
test eax, eax
pop ecx
je 0x4a4e74
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00480fa8
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a4e91
test ecx, 0x74000
jne 0x4a4e8d
cmp dword [ebp - 0x24], eax
je 0x4a4e91
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x4a4eeb
dec eax
je 0x4a4ed5
dec eax
je 0x4a4ed0
call fcn.00485ec3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00485eb0
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004810dc
add esp, 0x14
jmp 0x4a549e
mov dword [ebp - 8], edx
jmp 0x4a4eee
test cl, 8
je 0x4a4ee2
test ecx, 0x70000
jne 0x4a4ed0
mov dword [ebp - 8], 0x40000000
jmp 0x4a4eee
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a4f2f
sub eax, ecx
je 0x4a4f26
sub eax, ecx
je 0x4a4f1d
sub eax, ecx
je 0x4a4f14
sub eax, 0x40
jne 0x4a4eaa
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a4f32
mov dword [ebp - 0x10], 3
jmp 0x4a4f32
mov dword [ebp - 0x10], 2
jmp 0x4a4f32
mov dword [ebp - 0x10], 1
jmp 0x4a4f32
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 0x4a4f85
je 0x4a4f7c
cmp eax, ebx
je 0x4a4f7c
cmp eax, edi
je 0x4a4f73
cmp eax, 0x200
je 0x4a4ff8
cmp eax, 0x300
jne 0x4a4eaa
mov dword [ebp - 0x14], 2
jmp 0x4a4fa2
mov dword [ebp - 0x14], 4
jmp 0x4a4fa2
mov dword [ebp - 0x14], 3
jmp 0x4a4fa2
cmp eax, 0x500
je 0x4a4f9b
cmp eax, 0x600
je 0x4a4ff8
cmp eax, edx
jne 0x4a4eaa
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a4fc6
mov ecx, dword [0x4d2830]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a4fc6
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a4fe2
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a4fe2
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a4feb
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a5001
or dword [ebp - 0xc], 0x8000000
jmp 0x4a500c
mov dword [ebp - 0x14], 5
jmp 0x4a4fa2
test al, 0x10
je 0x4a500c
or dword [ebp - 0xc], 0x10000000
call fcn.004a4a5c
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a5032
call fcn.00485ec3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00485eb0
mov dword [eax], 0x18
jmp 0x4a50c0
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 0x4a50cc
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a5098
test byte [ebp + 0x10], 1
je 0x4a5098
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 0x4a50cc
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d3400]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00485ed6
pop ecx
call fcn.00485eb0
mov eax, dword [eax]
jmp 0x4a555a
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4a511d
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d3400]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00485ed6
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4a50c0
call fcn.00485eb0
mov dword [eax], 0xd
jmp 0x4a50c0
cmp eax, 2
jne 0x4a5128
or byte [ebp - 1], 0x40
jmp 0x4a5131
cmp eax, 3
jne 0x4a5131
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004a482b
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4d3400]
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 + 0x4d3400]
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 0x4a5207
test cl, 0x80
je 0x4a52d7
test byte [ebp + 0x10], 2
je 0x4a5207
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0049187e
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a51c5
call fcn.00485ec3
cmp dword [eax], 0x83
je 0x4a5207
push dword [esi]
call fcn.00491ab4
jmp 0x4a50bf
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00491cd0
add esp, 0xc
test eax, eax
jne 0x4a51f7
cmp word [ebp - 0x2c], 0x1a
jne 0x4a51f7
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004a9bbc
add esp, 0xc
cmp eax, edi
je 0x4a51b9
push ebx
push ebx
push dword [esi]
call fcn.0049187e
add esp, 0xc
cmp eax, edi
je 0x4a51b9
test byte [ebp - 1], 0x80
je 0x4a52d7
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a522f
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a522c
or dword [ebp + 0x10], edi
jmp 0x4a522f
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a527c
cmp eax, 0x10000
je 0x4a5268
cmp eax, 0x14000
je 0x4a5268
cmp eax, 0x20000
je 0x4a5276
cmp eax, 0x24000
je 0x4a5276
cmp eax, 0x40000
je 0x4a5262
cmp eax, 0x44000
jne 0x4a527f
mov byte [ebp - 2], 1
jmp 0x4a527f
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a527f
mov byte [ebp - 2], 2
jmp 0x4a527f
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a52d7
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a52d7
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a5431
cmp eax, 0x80000000
je 0x4a53f8
cmp eax, ecx
jne 0x4a52d7
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a52d7
cmp eax, 2
jbe 0x4a54d9
cmp eax, 4
jbe 0x4a53ca
cmp eax, 5
je 0x4a54d9
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d3400]
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 + 0x4d3400]
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 0x4a5349
test byte [ebp + 0x10], 8
je 0x4a5349
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d3400]
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 0x4a5558
test byte [ebp + 0x10], 1
je 0x4a5558
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 0x4a5541
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00485ed6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d3400]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004a48a8
pop ecx
jmp 0x4a50bf
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049fc87
add esp, 0x10
or eax, edx
je 0x4a54d9
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049fc87
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a51b9
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00491cd0
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a51b9
cmp eax, 2
je 0x4a547d
cmp eax, 3
jne 0x4a54cb
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a547d
mov byte [ebp - 2], 1
jmp 0x4a52d7
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a52d7
cmp eax, 2
jbe 0x4a54d9
cmp eax, 4
ja 0x4a52ce
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049fc87
add esp, 0x10
or eax, edx
je 0x4a54d9
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049fc87
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a52d7
jmp 0x4a51b9
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a54a5
push dword [esi]
call fcn.00491ab4
pop ecx
call fcn.00485eb0
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a555a
cmp eax, 0xfeff
jne 0x4a54cb
push ebx
push 2
push dword [esi]
call fcn.0049187e
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a51b9
mov byte [ebp - 2], 2
jmp 0x4a52d7
push ebx
push ebx
push dword [esi]
call fcn.0049187e
add esp, 0xc
jmp 0x4a546f
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a54f9
dec eax
jne 0x4a52d7
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a5507
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.00491205
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a552d
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a5507
jmp 0x4a52d7
push dword [esi]
call fcn.00491ab4
pop ecx
call fcn.00485eb0
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a555a
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d3400]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret