Function at 0x475d52
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 0x475d81
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x475d8b
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00477c2d
test eax, eax
pop ecx
je 0x475da6
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 0x475dc1
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 0x475dde
test ecx, 0x74000
jne 0x475dda
cmp dword [ebp - 0x24], eax
je 0x475dde
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x475e38
dec eax
je 0x475e22
dec eax
je 0x475e1d
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 0x4763ea
mov dword [ebp - 8], edx
jmp 0x475e3b
test cl, 8
je 0x475e2f
test ecx, 0x70000
jne 0x475e1d
mov dword [ebp - 8], 0x40000000
jmp 0x475e3b
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x475e7c
sub eax, ecx
je 0x475e73
sub eax, ecx
je 0x475e6a
sub eax, ecx
je 0x475e61
sub eax, 0x40
jne 0x475df7
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x475e7f
mov dword [ebp - 0x10], 3
jmp 0x475e7f
mov dword [ebp - 0x10], 2
jmp 0x475e7f
mov dword [ebp - 0x10], 1
jmp 0x475e7f
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 0x475ed2
je 0x475ec9
cmp eax, ebx
je 0x475ec9
cmp eax, edi
je 0x475ec0
cmp eax, 0x200
je 0x475f45
cmp eax, 0x300
jne 0x475df7
mov dword [ebp - 0x14], 2
jmp 0x475eef
mov dword [ebp - 0x14], 4
jmp 0x475eef
mov dword [ebp - 0x14], 3
jmp 0x475eef
cmp eax, 0x500
je 0x475ee8
cmp eax, 0x600
je 0x475f45
cmp eax, edx
jne 0x475df7
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x475f13
mov ecx, dword [0x4a9f00]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x475f13
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x475f2f
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x475f2f
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x475f38
or dword [ebp - 0xc], edi
test al, 0x20
je 0x475f4e
or dword [ebp - 0xc], 0x8000000
jmp 0x475f59
mov dword [ebp - 0x14], 5
jmp 0x475eef
test al, 0x10
je 0x475f59
or dword [ebp - 0xc], 0x10000000
call fcn.004677d6
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x475f7f
call fcn.00464366
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00464353
mov dword [eax], 0x18
jmp 0x47600d
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 0x476019
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x475fe5
test byte [ebp + 0x10], 1
je 0x475fe5
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 0x476019
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 0x4764a6
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x47606a
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 0x47600d
call fcn.00464353
mov dword [eax], 0xd
jmp 0x47600d
cmp eax, 2
jne 0x476075
or byte [ebp - 1], 0x40
jmp 0x47607e
cmp eax, 3
jne 0x47607e
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 0x476153
test cl, 0x80
je 0x476223
test byte [ebp + 0x10], 2
je 0x476153
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 0x476112
call fcn.00464366
cmp dword [eax], 0x83
je 0x476153
push dword [esi]
call fcn.0046f608
jmp 0x47600c
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00471562
add esp, 0xc
test eax, eax
jne 0x476143
cmp byte [ebp - 4], 0x1a
jne 0x476143
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004779bd
add esp, 0xc
cmp eax, edi
je 0x476106
push ebx
push ebx
push dword [esi]
call fcn.00473385
add esp, 0xc
cmp eax, edi
je 0x476106
test byte [ebp - 1], 0x80
je 0x476223
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x47617b
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x476178
or dword [ebp + 0x10], edi
jmp 0x47617b
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4761c8
cmp eax, 0x10000
je 0x4761b4
cmp eax, 0x14000
je 0x4761b4
cmp eax, 0x20000
je 0x4761c2
cmp eax, 0x24000
je 0x4761c2
cmp eax, 0x40000
je 0x4761ae
cmp eax, 0x44000
jne 0x4761cb
mov byte [ebp - 2], 1
jmp 0x4761cb
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4761cb
mov byte [ebp - 2], 2
jmp 0x4761cb
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x476223
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x476223
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x47637d
cmp eax, 0x80000000
je 0x476344
cmp eax, ecx
jne 0x476223
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x476223
cmp eax, 2
jbe 0x476425
cmp eax, 4
jbe 0x476316
cmp eax, 5
je 0x476425
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 0x476295
test byte [ebp + 0x10], 8
je 0x476295
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 0x4764a4
test byte [ebp + 0x10], 1
je 0x4764a4
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 0x47648d
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 0x47600c
push 2
push ebx
push ebx
push dword [esi]
call fcn.00474a7b
add esp, 0x10
or eax, edx
je 0x476425
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00474a7b
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x476106
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00471562
add esp, 0xc
cmp eax, 0xffffffff
je 0x476106
cmp eax, 2
je 0x4763c9
cmp eax, 3
jne 0x476417
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4763c9
mov byte [ebp - 2], 1
jmp 0x476223
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x476223
cmp eax, 2
jbe 0x476425
cmp eax, 4
ja 0x47621a
push 2
push ebx
push ebx
push dword [esi]
call fcn.00474a7b
add esp, 0x10
or eax, edx
je 0x476425
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00474a7b
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x476223
jmp 0x476106
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4763f1
push dword [esi]
call fcn.0046f608
pop ecx
call fcn.00464353
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4764a6
cmp eax, 0xfeff
jne 0x476417
push ebx
push 2
push dword [esi]
call fcn.00473385
add esp, 0xc
cmp eax, 0xffffffff
je 0x476106
mov byte [ebp - 2], 2
jmp 0x476223
push ebx
push ebx
push dword [esi]
call fcn.00473385
add esp, 0xc
jmp 0x4763bb
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x476445
dec eax
jne 0x476223
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x476453
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 0x476479
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x476453
jmp 0x476223
push dword [esi]
call fcn.0046f608
pop ecx
call fcn.00464353
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4764a6
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