Function at 0x48872b
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 0x48875a
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x488764
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004757e1
test eax, eax
pop ecx
je 0x48877f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004719b5
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00479e6b
test eax, eax
pop ecx
je 0x48879a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004719b5
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4887b7
test ecx, 0x74000
jne 0x4887b3
cmp dword [ebp - 0x24], eax
je 0x4887b7
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x488811
dec eax
je 0x4887fb
dec eax
je 0x4887f6
call fcn.00471c36
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00471c23
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00471ab1
add esp, 0x14
jmp 0x488dc3
mov dword [ebp - 8], edx
jmp 0x488814
test cl, 8
je 0x488808
test ecx, 0x70000
jne 0x4887f6
mov dword [ebp - 8], 0x40000000
jmp 0x488814
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x488855
sub eax, ecx
je 0x48884c
sub eax, ecx
je 0x488843
sub eax, ecx
je 0x48883a
sub eax, 0x40
jne 0x4887d0
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x488858
mov dword [ebp - 0x10], 3
jmp 0x488858
mov dword [ebp - 0x10], 2
jmp 0x488858
mov dword [ebp - 0x10], 1
jmp 0x488858
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 0x4888ab
je 0x4888a2
cmp eax, ebx
je 0x4888a2
cmp eax, edi
je 0x488899
cmp eax, 0x200
je 0x48891e
cmp eax, 0x300
jne 0x4887d0
mov dword [ebp - 0x14], 2
jmp 0x4888c8
mov dword [ebp - 0x14], 4
jmp 0x4888c8
mov dword [ebp - 0x14], 3
jmp 0x4888c8
cmp eax, 0x500
je 0x4888c1
cmp eax, 0x600
je 0x48891e
cmp eax, edx
jne 0x4887d0
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4888ec
mov ecx, dword [0x4d21c4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4888ec
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x488908
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x488908
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x488911
or dword [ebp - 0xc], edi
test al, 0x20
je 0x488927
or dword [ebp - 0xc], 0x8000000
jmp 0x488932
mov dword [ebp - 0x14], 5
jmp 0x4888c8
test al, 0x10
je 0x488932
or dword [ebp - 0xc], 0x10000000
call fcn.00482c88
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x488958
call fcn.00471c36
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00471c23
mov dword [eax], 0x18
jmp 0x4889e6
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 0x4889f2
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4889be
test byte [ebp + 0x10], 1
je 0x4889be
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 0x4889f2
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d2da0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00471c49
pop ecx
call fcn.00471c23
mov eax, dword [eax]
jmp 0x488e7f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x488a43
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d2da0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00471c49
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4889e6
call fcn.00471c23
mov dword [eax], 0xd
jmp 0x4889e6
cmp eax, 2
jne 0x488a4e
or byte [ebp - 1], 0x40
jmp 0x488a57
cmp eax, 3
jne 0x488a57
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00482a57
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4d2da0]
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 + 0x4d2da0]
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 0x488b2c
test cl, 0x80
je 0x488bfc
test byte [ebp + 0x10], 2
je 0x488b2c
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00482e27
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x488aeb
call fcn.00471c36
cmp dword [eax], 0x83
je 0x488b2c
push dword [esi]
call fcn.0047d26a
jmp 0x4889e5
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0047c37d
add esp, 0xc
test eax, eax
jne 0x488b1c
cmp byte [ebp - 4], 0x1a
jne 0x488b1c
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048be03
add esp, 0xc
cmp eax, edi
je 0x488adf
push ebx
push ebx
push dword [esi]
call fcn.00482e27
add esp, 0xc
cmp eax, edi
je 0x488adf
test byte [ebp - 1], 0x80
je 0x488bfc
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x488b54
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x488b51
or dword [ebp + 0x10], edi
jmp 0x488b54
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x488ba1
cmp eax, 0x10000
je 0x488b8d
cmp eax, 0x14000
je 0x488b8d
cmp eax, 0x20000
je 0x488b9b
cmp eax, 0x24000
je 0x488b9b
cmp eax, 0x40000
je 0x488b87
cmp eax, 0x44000
jne 0x488ba4
mov byte [ebp - 2], 1
jmp 0x488ba4
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x488ba4
mov byte [ebp - 2], 2
jmp 0x488ba4
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x488bfc
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x488bfc
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x488d56
cmp eax, 0x80000000
je 0x488d1d
cmp eax, ecx
jne 0x488bfc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x488bfc
cmp eax, 2
jbe 0x488dfe
cmp eax, 4
jbe 0x488cef
cmp eax, 5
je 0x488dfe
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d2da0]
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 + 0x4d2da0]
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 0x488c6e
test byte [ebp + 0x10], 8
je 0x488c6e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d2da0]
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 0x488e7d
test byte [ebp + 0x10], 1
je 0x488e7d
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 0x488e66
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00471c49
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d2da0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00482ad4
pop ecx
jmp 0x4889e5
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048795b
add esp, 0x10
or eax, edx
je 0x488dfe
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048795b
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x488adf
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0047c37d
add esp, 0xc
cmp eax, 0xffffffff
je 0x488adf
cmp eax, 2
je 0x488da2
cmp eax, 3
jne 0x488df0
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x488da2
mov byte [ebp - 2], 1
jmp 0x488bfc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x488bfc
cmp eax, 2
jbe 0x488dfe
cmp eax, 4
ja 0x488bf3
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048795b
add esp, 0x10
or eax, edx
je 0x488dfe
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048795b
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x488bfc
jmp 0x488adf
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x488dca
push dword [esi]
call fcn.0047d26a
pop ecx
call fcn.00471c23
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x488e7f
cmp eax, 0xfeff
jne 0x488df0
push ebx
push 2
push dword [esi]
call fcn.00482e27
add esp, 0xc
cmp eax, 0xffffffff
je 0x488adf
mov byte [ebp - 2], 2
jmp 0x488bfc
push ebx
push ebx
push dword [esi]
call fcn.00482e27
add esp, 0xc
jmp 0x488d94
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x488e1e
dec eax
jne 0x488bfc
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x488e2c
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.0047d18e
add esp, 0xc
cmp eax, 0xffffffff
je 0x488e52
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x488e2c
jmp 0x488bfc
push dword [esi]
call fcn.0047d26a
pop ecx
call fcn.00471c23
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x488e7f
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d2da0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret