Function at 0x474c3b
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 0x474c6a
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x474c74
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00479794
test eax, eax
pop ecx
je 0x474c8f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00455dd2
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0045e084
test eax, eax
pop ecx
je 0x474caa
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00455dd2
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x474cc7
test ecx, 0x74000
jne 0x474cc3
cmp dword [ebp - 0x24], eax
je 0x474cc7
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x474d21
dec eax
je 0x474d0b
dec eax
je 0x474d06
call fcn.0045f2d7
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0045f2c4
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00455ece
add esp, 0x14
jmp 0x4752d4
mov dword [ebp - 8], edx
jmp 0x474d24
test cl, 8
je 0x474d18
test ecx, 0x70000
jne 0x474d06
mov dword [ebp - 8], 0x40000000
jmp 0x474d24
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x474d65
sub eax, ecx
je 0x474d5c
sub eax, ecx
je 0x474d53
sub eax, ecx
je 0x474d4a
sub eax, 0x40
jne 0x474ce0
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x474d68
mov dword [ebp - 0x10], 3
jmp 0x474d68
mov dword [ebp - 0x10], 2
jmp 0x474d68
mov dword [ebp - 0x10], 1
jmp 0x474d68
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 0x474dbb
je 0x474db2
cmp eax, ebx
je 0x474db2
cmp eax, edi
je 0x474da9
cmp eax, 0x200
je 0x474e2e
cmp eax, 0x300
jne 0x474ce0
mov dword [ebp - 0x14], 2
jmp 0x474dd8
mov dword [ebp - 0x14], 4
jmp 0x474dd8
mov dword [ebp - 0x14], 3
jmp 0x474dd8
cmp eax, 0x500
je 0x474dd1
cmp eax, 0x600
je 0x474e2e
cmp eax, edx
jne 0x474ce0
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x474dfc
mov ecx, dword [0x4fa1a0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x474dfc
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x474e18
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x474e18
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x474e21
or dword [ebp - 0xc], edi
test al, 0x20
je 0x474e37
or dword [ebp - 0xc], 0x8000000
jmp 0x474e42
mov dword [ebp - 0x14], 5
jmp 0x474dd8
test al, 0x10
je 0x474e42
or dword [ebp - 0xc], 0x10000000
call fcn.0047493b
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x474e68
call fcn.0045f2d7
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0045f2c4
mov dword [eax], 0x18
jmp 0x474ef6
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 0x474f02
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x474ece
test byte [ebp + 0x10], 1
je 0x474ece
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 0x474f02
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4fc120]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0045f2ea
pop ecx
call fcn.0045f2c4
mov eax, dword [eax]
jmp 0x475390
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x474f53
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4fc120]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0045f2ea
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x474ef6
call fcn.0045f2c4
mov dword [eax], 0xd
jmp 0x474ef6
cmp eax, 2
jne 0x474f5e
or byte [ebp - 1], 0x40
jmp 0x474f67
cmp eax, 3
jne 0x474f67
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047470a
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4fc120]
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 + 0x4fc120]
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 0x47503d
test cl, 0x80
je 0x47510d
test byte [ebp + 0x10], 2
je 0x47503d
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0046c90b
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x474ffb
call fcn.0045f2d7
cmp dword [eax], 0x83
je 0x47503d
push dword [esi]
call fcn.00465326
jmp 0x474ef5
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00472cd3
add esp, 0xc
test eax, eax
jne 0x47502d
cmp word [ebp - 0x2c], 0x1a
jne 0x47502d
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00479524
add esp, 0xc
cmp eax, edi
je 0x474fef
push ebx
push ebx
push dword [esi]
call fcn.0046c90b
add esp, 0xc
cmp eax, edi
je 0x474fef
test byte [ebp - 1], 0x80
je 0x47510d
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x475065
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x475062
or dword [ebp + 0x10], edi
jmp 0x475065
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4750b2
cmp eax, 0x10000
je 0x47509e
cmp eax, 0x14000
je 0x47509e
cmp eax, 0x20000
je 0x4750ac
cmp eax, 0x24000
je 0x4750ac
cmp eax, 0x40000
je 0x475098
cmp eax, 0x44000
jne 0x4750b5
mov byte [ebp - 2], 1
jmp 0x4750b5
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4750b5
mov byte [ebp - 2], 2
jmp 0x4750b5
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x47510d
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x47510d
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x475267
cmp eax, 0x80000000
je 0x47522e
cmp eax, ecx
jne 0x47510d
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x47510d
cmp eax, 2
jbe 0x47530f
cmp eax, 4
jbe 0x475200
cmp eax, 5
je 0x47530f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4fc120]
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 + 0x4fc120]
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 0x47517f
test byte [ebp + 0x10], 8
je 0x47517f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4fc120]
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 0x47538e
test byte [ebp + 0x10], 1
je 0x47538e
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 0x475377
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0045f2ea
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4fc120]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00474787
pop ecx
jmp 0x474ef5
push 2
push ebx
push ebx
push dword [esi]
call fcn.0047397b
add esp, 0x10
or eax, edx
je 0x47530f
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0047397b
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x474fef
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00472cd3
add esp, 0xc
cmp eax, 0xffffffff
je 0x474fef
cmp eax, 2
je 0x4752b3
cmp eax, 3
jne 0x475301
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4752b3
mov byte [ebp - 2], 1
jmp 0x47510d
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x47510d
cmp eax, 2
jbe 0x47530f
cmp eax, 4
ja 0x475104
push 2
push ebx
push ebx
push dword [esi]
call fcn.0047397b
add esp, 0x10
or eax, edx
je 0x47530f
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0047397b
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x47510d
jmp 0x474fef
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4752db
push dword [esi]
call fcn.00465326
pop ecx
call fcn.0045f2c4
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x475390
cmp eax, 0xfeff
jne 0x475301
push ebx
push 2
push dword [esi]
call fcn.0046c90b
add esp, 0xc
cmp eax, 0xffffffff
je 0x474fef
mov byte [ebp - 2], 2
jmp 0x47510d
push ebx
push ebx
push dword [esi]
call fcn.0046c90b
add esp, 0xc
jmp 0x4752a5
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x47532f
dec eax
jne 0x47510d
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x47533d
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.00465c47
add esp, 0xc
cmp eax, 0xffffffff
je 0x475363
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x47533d
jmp 0x47510d
push dword [esi]
call fcn.00465326
pop ecx
call fcn.0045f2c4
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x475390
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4fc120]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret