Function at 0x474ed9
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 0x474f08
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x474f12
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00477c2d
test eax, eax
pop ecx
je 0x474f2d
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004636e0
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00466e83
test eax, eax
pop ecx
je 0x474f48
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004636e0
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x474f65
test ecx, 0x74000
jne 0x474f61
cmp dword [ebp - 0x24], eax
je 0x474f65
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x474fbf
dec eax
je 0x474fa9
dec eax
je 0x474fa4
call fcn.00464366
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00464353
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004637dc
add esp, 0x14
jmp 0x475572
mov dword [ebp - 8], edx
jmp 0x474fc2
test cl, 8
je 0x474fb6
test ecx, 0x70000
jne 0x474fa4
mov dword [ebp - 8], 0x40000000
jmp 0x474fc2
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x475003
sub eax, ecx
je 0x474ffa
sub eax, ecx
je 0x474ff1
sub eax, ecx
je 0x474fe8
sub eax, 0x40
jne 0x474f7e
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x475006
mov dword [ebp - 0x10], 3
jmp 0x475006
mov dword [ebp - 0x10], 2
jmp 0x475006
mov dword [ebp - 0x10], 1
jmp 0x475006
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 0x475059
je 0x475050
cmp eax, ebx
je 0x475050
cmp eax, edi
je 0x475047
cmp eax, 0x200
je 0x4750cc
cmp eax, 0x300
jne 0x474f7e
mov dword [ebp - 0x14], 2
jmp 0x475076
mov dword [ebp - 0x14], 4
jmp 0x475076
mov dword [ebp - 0x14], 3
jmp 0x475076
cmp eax, 0x500
je 0x47506f
cmp eax, 0x600
je 0x4750cc
cmp eax, edx
jne 0x474f7e
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x47509a
mov ecx, dword [0x4a9f00]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x47509a
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4750b6
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4750b6
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4750bf
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4750d5
or dword [ebp - 0xc], 0x8000000
jmp 0x4750e0
mov dword [ebp - 0x14], 5
jmp 0x475076
test al, 0x10
je 0x4750e0
or dword [ebp - 0xc], 0x10000000
call fcn.004677d6
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x475106
call fcn.00464366
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00464353
mov dword [eax], 0x18
jmp 0x475194
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 0x4751a0
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x47516c
test byte [ebp + 0x10], 1
je 0x47516c
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 0x4751a0
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4abb80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00464379
pop ecx
call fcn.00464353
mov eax, dword [eax]
jmp 0x47562e
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4751f1
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4abb80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00464379
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x475194
call fcn.00464353
mov dword [eax], 0xd
jmp 0x475194
cmp eax, 2
jne 0x4751fc
or byte [ebp - 1], 0x40
jmp 0x475205
cmp eax, 3
jne 0x475205
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004675a5
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4abb80]
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 + 0x4abb80]
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 0x4752db
test cl, 0x80
je 0x4753ab
test byte [ebp + 0x10], 2
je 0x4752db
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00473385
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x475299
call fcn.00464366
cmp dword [eax], 0x83
je 0x4752db
push dword [esi]
call fcn.0046f608
jmp 0x475193
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00471562
add esp, 0xc
test eax, eax
jne 0x4752cb
cmp word [ebp - 0x2c], 0x1a
jne 0x4752cb
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004779bd
add esp, 0xc
cmp eax, edi
je 0x47528d
push ebx
push ebx
push dword [esi]
call fcn.00473385
add esp, 0xc
cmp eax, edi
je 0x47528d
test byte [ebp - 1], 0x80
je 0x4753ab
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x475303
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x475300
or dword [ebp + 0x10], edi
jmp 0x475303
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x475350
cmp eax, 0x10000
je 0x47533c
cmp eax, 0x14000
je 0x47533c
cmp eax, 0x20000
je 0x47534a
cmp eax, 0x24000
je 0x47534a
cmp eax, 0x40000
je 0x475336
cmp eax, 0x44000
jne 0x475353
mov byte [ebp - 2], 1
jmp 0x475353
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x475353
mov byte [ebp - 2], 2
jmp 0x475353
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4753ab
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4753ab
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x475505
cmp eax, 0x80000000
je 0x4754cc
cmp eax, ecx
jne 0x4753ab
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4753ab
cmp eax, 2
jbe 0x4755ad
cmp eax, 4
jbe 0x47549e
cmp eax, 5
je 0x4755ad
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4abb80]
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 + 0x4abb80]
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 0x47541d
test byte [ebp + 0x10], 8
je 0x47541d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4abb80]
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 0x47562c
test byte [ebp + 0x10], 1
je 0x47562c
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 0x475615
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00464379
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4abb80]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00467622
pop ecx
jmp 0x475193
push 2
push ebx
push ebx
push dword [esi]
call fcn.00474a7b
add esp, 0x10
or eax, edx
je 0x4755ad
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00474a7b
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x47528d
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00471562
add esp, 0xc
cmp eax, 0xffffffff
je 0x47528d
cmp eax, 2
je 0x475551
cmp eax, 3
jne 0x47559f
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x475551
mov byte [ebp - 2], 1
jmp 0x4753ab
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4753ab
cmp eax, 2
jbe 0x4755ad
cmp eax, 4
ja 0x4753a2
push 2
push ebx
push ebx
push dword [esi]
call fcn.00474a7b
add esp, 0x10
or eax, edx
je 0x4755ad
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00474a7b
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4753ab
jmp 0x47528d
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x475579
push dword [esi]
call fcn.0046f608
pop ecx
call fcn.00464353
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x47562e
cmp eax, 0xfeff
jne 0x47559f
push ebx
push 2
push dword [esi]
call fcn.00473385
add esp, 0xc
cmp eax, 0xffffffff
je 0x47528d
mov byte [ebp - 2], 2
jmp 0x4753ab
push ebx
push ebx
push dword [esi]
call fcn.00473385
add esp, 0xc
jmp 0x475543
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4755cd
dec eax
jne 0x4753ab
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4755db
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.0046fd5b
add esp, 0xc
cmp eax, 0xffffffff
je 0x475601
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4755db
jmp 0x4753ab
push dword [esi]
call fcn.0046f608
pop ecx
call fcn.00464353
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x47562e
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4abb80]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret