Function at 0x457752
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 0x457781
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x45778b
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00458b0d
test eax, eax
pop ecx
je 0x4577a6
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043bded
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00444134
test eax, eax
pop ecx
je 0x4577c1
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043bded
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4577de
test ecx, 0x74000
jne 0x4577da
cmp dword [ebp - 0x24], eax
je 0x4577de
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x457838
dec eax
je 0x457822
dec eax
je 0x45781d
call fcn.00444461
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0044444e
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0043bee9
add esp, 0x14
jmp 0x457dea
mov dword [ebp - 8], edx
jmp 0x45783b
test cl, 8
je 0x45782f
test ecx, 0x70000
jne 0x45781d
mov dword [ebp - 8], 0x40000000
jmp 0x45783b
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x45787c
sub eax, ecx
je 0x457873
sub eax, ecx
je 0x45786a
sub eax, ecx
je 0x457861
sub eax, 0x40
jne 0x4577f7
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x45787f
mov dword [ebp - 0x10], 3
jmp 0x45787f
mov dword [ebp - 0x10], 2
jmp 0x45787f
mov dword [ebp - 0x10], 1
jmp 0x45787f
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 0x4578d2
je 0x4578c9
cmp eax, ebx
je 0x4578c9
cmp eax, edi
je 0x4578c0
cmp eax, 0x200
je 0x457945
cmp eax, 0x300
jne 0x4577f7
mov dword [ebp - 0x14], 2
jmp 0x4578ef
mov dword [ebp - 0x14], 4
jmp 0x4578ef
mov dword [ebp - 0x14], 3
jmp 0x4578ef
cmp eax, 0x500
je 0x4578e8
cmp eax, 0x600
je 0x457945
cmp eax, edx
jne 0x4577f7
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x457913
mov ecx, dword [0x58d434]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x457913
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x45792f
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x45792f
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x457938
or dword [ebp - 0xc], edi
test al, 0x20
je 0x45794e
or dword [ebp - 0xc], 0x8000000
jmp 0x457959
mov dword [ebp - 0x14], 5
jmp 0x4578ef
test al, 0x10
je 0x457959
or dword [ebp - 0xc], 0x10000000
call fcn.004557c3
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x45797f
call fcn.00444461
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0044444e
mov dword [eax], 0x18
jmp 0x457a0d
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 0x457a19
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4579e5
test byte [ebp + 0x10], 1
je 0x4579e5
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 0x457a19
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5914e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00444474
pop ecx
call fcn.0044444e
mov eax, dword [eax]
jmp 0x457ea6
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x457a6a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5914e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00444474
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x457a0d
call fcn.0044444e
mov dword [eax], 0xd
jmp 0x457a0d
cmp eax, 2
jne 0x457a75
or byte [ebp - 1], 0x40
jmp 0x457a7e
cmp eax, 3
jne 0x457a7e
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00455592
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x5914e0]
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 + 0x5914e0]
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 0x457b53
test cl, 0x80
je 0x457c23
test byte [ebp + 0x10], 2
je 0x457b53
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00451b43
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x457b12
call fcn.00444461
cmp dword [eax], 0x83
je 0x457b53
push dword [esi]
call fcn.0044d651
jmp 0x457a0c
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00452faa
add esp, 0xc
test eax, eax
jne 0x457b43
cmp byte [ebp - 4], 0x1a
jne 0x457b43
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0045889d
add esp, 0xc
cmp eax, edi
je 0x457b06
push ebx
push ebx
push dword [esi]
call fcn.00451b43
add esp, 0xc
cmp eax, edi
je 0x457b06
test byte [ebp - 1], 0x80
je 0x457c23
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x457b7b
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x457b78
or dword [ebp + 0x10], edi
jmp 0x457b7b
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x457bc8
cmp eax, 0x10000
je 0x457bb4
cmp eax, 0x14000
je 0x457bb4
cmp eax, 0x20000
je 0x457bc2
cmp eax, 0x24000
je 0x457bc2
cmp eax, 0x40000
je 0x457bae
cmp eax, 0x44000
jne 0x457bcb
mov byte [ebp - 2], 1
jmp 0x457bcb
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x457bcb
mov byte [ebp - 2], 2
jmp 0x457bcb
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x457c23
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x457c23
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x457d7d
cmp eax, 0x80000000
je 0x457d44
cmp eax, ecx
jne 0x457c23
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x457c23
cmp eax, 2
jbe 0x457e25
cmp eax, 4
jbe 0x457d16
cmp eax, 5
je 0x457e25
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5914e0]
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 + 0x5914e0]
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 0x457c95
test byte [ebp + 0x10], 8
je 0x457c95
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5914e0]
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 0x457ea4
test byte [ebp + 0x10], 1
je 0x457ea4
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 0x457e8d
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00444474
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5914e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0045560f
pop ecx
jmp 0x457a0c
push 2
push ebx
push ebx
push dword [esi]
call fcn.004542d8
add esp, 0x10
or eax, edx
je 0x457e25
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004542d8
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x457b06
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00452faa
add esp, 0xc
cmp eax, 0xffffffff
je 0x457b06
cmp eax, 2
je 0x457dc9
cmp eax, 3
jne 0x457e17
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x457dc9
mov byte [ebp - 2], 1
jmp 0x457c23
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x457c23
cmp eax, 2
jbe 0x457e25
cmp eax, 4
ja 0x457c1a
push 2
push ebx
push ebx
push dword [esi]
call fcn.004542d8
add esp, 0x10
or eax, edx
je 0x457e25
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004542d8
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x457c23
jmp 0x457b06
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x457df1
push dword [esi]
call fcn.0044d651
pop ecx
call fcn.0044444e
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x457ea6
cmp eax, 0xfeff
jne 0x457e17
push ebx
push 2
push dword [esi]
call fcn.00451b43
add esp, 0xc
cmp eax, 0xffffffff
je 0x457b06
mov byte [ebp - 2], 2
jmp 0x457c23
push ebx
push ebx
push dword [esi]
call fcn.00451b43
add esp, 0xc
jmp 0x457dbb
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x457e45
dec eax
jne 0x457c23
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x457e53
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.0044ddd1
add esp, 0xc
cmp eax, 0xffffffff
je 0x457e79
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x457e53
jmp 0x457c23
push dword [esi]
call fcn.0044d651
pop ecx
call fcn.0044444e
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x457ea6
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5914e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret