Function at 0x477fb1
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 0x477fe0
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x477fea
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048164d
test eax, eax
pop ecx
je 0x478005
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00464234
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0046a960
test eax, eax
pop ecx
je 0x478020
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00464234
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x47803d
test ecx, 0x74000
jne 0x478039
cmp dword [ebp - 0x24], eax
je 0x47803d
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x478097
dec eax
je 0x478081
dec eax
je 0x47807c
call fcn.00465c76
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00465c63
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00464368
add esp, 0x14
jmp 0x478649
mov dword [ebp - 8], edx
jmp 0x47809a
test cl, 8
je 0x47808e
test ecx, 0x70000
jne 0x47807c
mov dword [ebp - 8], 0x40000000
jmp 0x47809a
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4780db
sub eax, ecx
je 0x4780d2
sub eax, ecx
je 0x4780c9
sub eax, ecx
je 0x4780c0
sub eax, 0x40
jne 0x478056
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4780de
mov dword [ebp - 0x10], 3
jmp 0x4780de
mov dword [ebp - 0x10], 2
jmp 0x4780de
mov dword [ebp - 0x10], 1
jmp 0x4780de
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 0x478131
je 0x478128
cmp eax, ebx
je 0x478128
cmp eax, edi
je 0x47811f
cmp eax, 0x200
je 0x4781a4
cmp eax, 0x300
jne 0x478056
mov dword [ebp - 0x14], 2
jmp 0x47814e
mov dword [ebp - 0x14], 4
jmp 0x47814e
mov dword [ebp - 0x14], 3
jmp 0x47814e
cmp eax, 0x500
je 0x478147
cmp eax, 0x600
je 0x4781a4
cmp eax, edx
jne 0x478056
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x478172
mov ecx, dword [0x4ab7d8]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x478172
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x47818e
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x47818e
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x478197
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4781ad
or dword [ebp - 0xc], 0x8000000
jmp 0x4781b8
mov dword [ebp - 0x14], 5
jmp 0x47814e
test al, 0x10
je 0x4781b8
or dword [ebp - 0xc], 0x10000000
call fcn.00477c1c
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4781de
call fcn.00465c76
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00465c63
mov dword [eax], 0x18
jmp 0x47826c
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 0x478278
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x478244
test byte [ebp + 0x10], 1
je 0x478244
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 0x478278
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4f0080]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00465c89
pop ecx
call fcn.00465c63
mov eax, dword [eax]
jmp 0x478705
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4782c9
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4f0080]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00465c89
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x47826c
call fcn.00465c63
mov dword [eax], 0xd
jmp 0x47826c
cmp eax, 2
jne 0x4782d4
or byte [ebp - 1], 0x40
jmp 0x4782dd
cmp eax, 3
jne 0x4782dd
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004779eb
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4f0080]
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 + 0x4f0080]
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 0x4783b2
test cl, 0x80
je 0x478482
test byte [ebp + 0x10], 2
je 0x4783b2
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004813fd
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x478371
call fcn.00465c76
cmp dword [eax], 0x83
je 0x4783b2
push dword [esi]
call fcn.004697b3
jmp 0x47826b
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00480d3f
add esp, 0xc
test eax, eax
jne 0x4783a2
cmp byte [ebp - 4], 0x1a
jne 0x4783a2
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00480a86
add esp, 0xc
cmp eax, edi
je 0x478365
push ebx
push ebx
push dword [esi]
call fcn.004813fd
add esp, 0xc
cmp eax, edi
je 0x478365
test byte [ebp - 1], 0x80
je 0x478482
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4783da
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4783d7
or dword [ebp + 0x10], edi
jmp 0x4783da
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x478427
cmp eax, 0x10000
je 0x478413
cmp eax, 0x14000
je 0x478413
cmp eax, 0x20000
je 0x478421
cmp eax, 0x24000
je 0x478421
cmp eax, 0x40000
je 0x47840d
cmp eax, 0x44000
jne 0x47842a
mov byte [ebp - 2], 1
jmp 0x47842a
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x47842a
mov byte [ebp - 2], 2
jmp 0x47842a
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x478482
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x478482
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4785dc
cmp eax, 0x80000000
je 0x4785a3
cmp eax, ecx
jne 0x478482
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x478482
cmp eax, 2
jbe 0x478684
cmp eax, 4
jbe 0x478575
cmp eax, 5
je 0x478684
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f0080]
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 + 0x4f0080]
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 0x4784f4
test byte [ebp + 0x10], 8
je 0x4784f4
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f0080]
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 0x478703
test byte [ebp + 0x10], 1
je 0x478703
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 0x4786ec
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00465c89
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f0080]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00477a68
pop ecx
jmp 0x47826b
push 2
push ebx
push ebx
push dword [esi]
call fcn.004768d4
add esp, 0x10
or eax, edx
je 0x478684
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004768d4
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x478365
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00480d3f
add esp, 0xc
cmp eax, 0xffffffff
je 0x478365
cmp eax, 2
je 0x478628
cmp eax, 3
jne 0x478676
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x478628
mov byte [ebp - 2], 1
jmp 0x478482
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x478482
cmp eax, 2
jbe 0x478684
cmp eax, 4
ja 0x478479
push 2
push ebx
push ebx
push dword [esi]
call fcn.004768d4
add esp, 0x10
or eax, edx
je 0x478684
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004768d4
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x478482
jmp 0x478365
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x478650
push dword [esi]
call fcn.004697b3
pop ecx
call fcn.00465c63
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x478705
cmp eax, 0xfeff
jne 0x478676
push ebx
push 2
push dword [esi]
call fcn.004813fd
add esp, 0xc
cmp eax, 0xffffffff
je 0x478365
mov byte [ebp - 2], 2
jmp 0x478482
push ebx
push ebx
push dword [esi]
call fcn.004813fd
add esp, 0xc
jmp 0x47861a
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4786a4
dec eax
jne 0x478482
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4786b2
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.00477036
add esp, 0xc
cmp eax, 0xffffffff
je 0x4786d8
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4786b2
jmp 0x478482
push dword [esi]
call fcn.004697b3
pop ecx
call fcn.00465c63
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x478705
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f0080]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret