Function at 0x4a4768
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 0x4a4797
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a47a1
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004a7934
test eax, eax
pop ecx
je 0x4a47bc
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048ec3e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00494d4d
test eax, eax
pop ecx
je 0x4a47d7
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048ec3e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a47f4
test ecx, 0x74000
jne 0x4a47f0
cmp dword [ebp - 0x24], eax
je 0x4a47f4
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x4a484e
dec eax
je 0x4a4838
dec eax
je 0x4a4833
call fcn.00493081
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0049306e
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048ed3a
add esp, 0x14
jmp 0x4a4e00
mov dword [ebp - 8], edx
jmp 0x4a4851
test cl, 8
je 0x4a4845
test ecx, 0x70000
jne 0x4a4833
mov dword [ebp - 8], 0x40000000
jmp 0x4a4851
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a4892
sub eax, ecx
je 0x4a4889
sub eax, ecx
je 0x4a4880
sub eax, ecx
je 0x4a4877
sub eax, 0x40
jne 0x4a480d
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a4895
mov dword [ebp - 0x10], 3
jmp 0x4a4895
mov dword [ebp - 0x10], 2
jmp 0x4a4895
mov dword [ebp - 0x10], 1
jmp 0x4a4895
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, pe_nt_image_headers32
jg 0x4a48e8
je 0x4a48df
cmp eax, ebx
je 0x4a48df
cmp eax, edi
je 0x4a48d6
cmp eax, 0x200
je 0x4a495b
cmp eax, 0x300
jne 0x4a480d
mov dword [ebp - 0x14], 2
jmp 0x4a4905
mov dword [ebp - 0x14], 4
jmp 0x4a4905
mov dword [ebp - 0x14], 3
jmp 0x4a4905
cmp eax, 0x500
je 0x4a48fe
cmp eax, 0x600
je 0x4a495b
cmp eax, edx
jne 0x4a480d
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a4929
mov ecx, dword [0x4e5d60]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a4929
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a4945
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a4945
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a494e
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a4964
or dword [ebp - 0xc], 0x8000000
jmp 0x4a496f
mov dword [ebp - 0x14], 5
jmp 0x4a4905
test al, 0x10
je 0x4a496f
or dword [ebp - 0xc], 0x10000000
call fcn.0049569a
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a4995
call fcn.00493081
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0049306e
mov dword [eax], 0x18
jmp 0x4a4a23
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 0x4a4a2f
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a49fb
test byte [ebp + 0x10], 1
je 0x4a49fb
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 0x4a4a2f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4e7700]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00493094
pop ecx
call fcn.0049306e
mov eax, dword [eax]
jmp 0x4a4ebc
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4a4a80
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4e7700]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00493094
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4a4a23
call fcn.0049306e
mov dword [eax], 0xd
jmp 0x4a4a23
cmp eax, 2
jne 0x4a4a8b
or byte [ebp - 1], 0x40
jmp 0x4a4a94
cmp eax, 3
jne 0x4a4a94
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00495469
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4e7700]
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 + 0x4e7700]
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 0x4a4b69
test cl, 0x80
je 0x4a4c39
test byte [ebp + 0x10], 2
je 0x4a4b69
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0049dfec
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a4b28
call fcn.00493081
cmp dword [eax], 0x83
je 0x4a4b69
push dword [esi]
call fcn.0049af39
jmp 0x4a4a22
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0049d28c
add esp, 0xc
test eax, eax
jne 0x4a4b59
cmp byte [ebp - 4], 0x1a
jne 0x4a4b59
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004a76c4
add esp, 0xc
cmp eax, edi
je 0x4a4b1c
push ebx
push ebx
push dword [esi]
call fcn.0049dfec
add esp, 0xc
cmp eax, edi
je 0x4a4b1c
test byte [ebp - 1], 0x80
je 0x4a4c39
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a4b91
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a4b8e
or dword [ebp + 0x10], edi
jmp 0x4a4b91
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a4bde
cmp eax, 0x10000
je 0x4a4bca
cmp eax, 0x14000
je 0x4a4bca
cmp eax, 0x20000
je 0x4a4bd8
cmp eax, 0x24000
je 0x4a4bd8
cmp eax, 0x40000
je 0x4a4bc4
cmp eax, 0x44000
jne 0x4a4be1
mov byte [ebp - 2], 1
jmp 0x4a4be1
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a4be1
mov byte [ebp - 2], 2
jmp 0x4a4be1
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a4c39
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a4c39
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a4d93
cmp eax, 0x80000000
je 0x4a4d5a
cmp eax, ecx
jne 0x4a4c39
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a4c39
cmp eax, 2
jbe 0x4a4e3b
cmp eax, 4
jbe 0x4a4d2c
cmp eax, 5
je 0x4a4e3b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e7700]
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 + 0x4e7700]
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 0x4a4cab
test byte [ebp + 0x10], 8
je 0x4a4cab
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e7700]
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 0x4a4eba
test byte [ebp + 0x10], 1
je 0x4a4eba
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 0x4a4ea3
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00493094
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e7700]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004954e6
pop ecx
jmp 0x4a4a22
push 2
push ebx
push ebx
push dword [esi]
call fcn.00493e78
add esp, 0x10
or eax, edx
je 0x4a4e3b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00493e78
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a4b1c
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0049d28c
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a4b1c
cmp eax, 2
je 0x4a4ddf
cmp eax, 3
jne 0x4a4e2d
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a4ddf
mov byte [ebp - 2], 1
jmp 0x4a4c39
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a4c39
cmp eax, 2
jbe 0x4a4e3b
cmp eax, 4
ja 0x4a4c30
push 2
push ebx
push ebx
push dword [esi]
call fcn.00493e78
add esp, 0x10
or eax, edx
je 0x4a4e3b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00493e78
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a4c39
jmp 0x4a4b1c
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a4e07
push dword [esi]
call fcn.0049af39
pop ecx
call fcn.0049306e
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a4ebc
cmp eax, 0xfeff
jne 0x4a4e2d
push ebx
push 2
push dword [esi]
call fcn.0049dfec
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a4b1c
mov byte [ebp - 2], 2
jmp 0x4a4c39
push ebx
push ebx
push dword [esi]
call fcn.0049dfec
add esp, 0xc
jmp 0x4a4dd1
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a4e5b
dec eax
jne 0x4a4c39
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a4e69
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.0049df10
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a4e8f
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a4e69
jmp 0x4a4c39
push dword [esi]
call fcn.0049af39
pop ecx
call fcn.0049306e
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a4ebc
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e7700]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret