Function at 0x440ad3
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 0x440b02
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x440b0c
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00446015
test eax, eax
pop ecx
je 0x440b27
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00431647
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004374f8
test eax, eax
pop ecx
je 0x440b42
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00431647
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x440b5f
test ecx, 0x74000
jne 0x440b5b
cmp dword [ebp - 0x24], eax
je 0x440b5f
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x440bb9
dec eax
je 0x440ba3
dec eax
je 0x440b9e
call fcn.00431b86
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00431b73
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00431743
add esp, 0x14
jmp 0x44116b
mov dword [ebp - 8], edx
jmp 0x440bbc
test cl, 8
je 0x440bb0
test ecx, 0x70000
jne 0x440b9e
mov dword [ebp - 8], 0x40000000
jmp 0x440bbc
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x440bfd
sub eax, ecx
je 0x440bf4
sub eax, ecx
je 0x440beb
sub eax, ecx
je 0x440be2
sub eax, 0x40
jne 0x440b78
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x440c00
mov dword [ebp - 0x10], 3
jmp 0x440c00
mov dword [ebp - 0x10], 2
jmp 0x440c00
mov dword [ebp - 0x10], 1
jmp 0x440c00
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, pe_nt_image_headers32
jg 0x440c53
je 0x440c4a
cmp eax, ebx
je 0x440c4a
cmp eax, edi
je 0x440c41
cmp eax, 0x200
je 0x440cc6
cmp eax, 0x300
jne 0x440b78
mov dword [ebp - 0x14], 2
jmp 0x440c70
mov dword [ebp - 0x14], 4
jmp 0x440c70
mov dword [ebp - 0x14], 3
jmp 0x440c70
cmp eax, 0x500
je 0x440c69
cmp eax, 0x600
je 0x440cc6
cmp eax, edx
jne 0x440b78
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x440c94
mov ecx, dword [0x466594]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x440c94
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x440cb0
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x440cb0
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x440cb9
or dword [ebp - 0xc], edi
test al, 0x20
je 0x440ccf
or dword [ebp - 0xc], 0x8000000
jmp 0x440cda
mov dword [ebp - 0x14], 5
jmp 0x440c70
test al, 0x10
je 0x440cda
or dword [ebp - 0xc], 0x10000000
call fcn.00440934
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x440d00
call fcn.00431b86
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00431b73
mov dword [eax], 0x18
jmp 0x440d8e
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 0x440d9a
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x440d66
test byte [ebp + 0x10], 1
je 0x440d66
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 0x440d9a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4671a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00431b99
pop ecx
call fcn.00431b73
mov eax, dword [eax]
jmp 0x441227
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x440deb
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4671a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00431b99
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x440d8e
call fcn.00431b73
mov dword [eax], 0xd
jmp 0x440d8e
cmp eax, 2
jne 0x440df6
or byte [ebp - 1], 0x40
jmp 0x440dff
cmp eax, 3
jne 0x440dff
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00440703
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4671a0]
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 + 0x4671a0]
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 0x440ed4
test cl, 0x80
je 0x440fa4
test byte [ebp + 0x10], 2
je 0x440ed4
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0043bfb1
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x440e93
call fcn.00431b86
cmp dword [eax], 0x83
je 0x440ed4
push dword [esi]
call fcn.00434394
jmp 0x440d8d
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0043b571
add esp, 0xc
test eax, eax
jne 0x440ec4
cmp byte [ebp - 4], 0x1a
jne 0x440ec4
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00445da5
add esp, 0xc
cmp eax, edi
je 0x440e87
push ebx
push ebx
push dword [esi]
call fcn.0043bfb1
add esp, 0xc
cmp eax, edi
je 0x440e87
test byte [ebp - 1], 0x80
je 0x440fa4
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x440efc
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x440ef9
or dword [ebp + 0x10], edi
jmp 0x440efc
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x440f49
cmp eax, 0x10000
je 0x440f35
cmp eax, 0x14000
je 0x440f35
cmp eax, 0x20000
je 0x440f43
cmp eax, 0x24000
je 0x440f43
cmp eax, 0x40000
je 0x440f2f
cmp eax, 0x44000
jne 0x440f4c
mov byte [ebp - 2], 1
jmp 0x440f4c
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x440f4c
mov byte [ebp - 2], 2
jmp 0x440f4c
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x440fa4
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x440fa4
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4410fe
cmp eax, 0x80000000
je 0x4410c5
cmp eax, ecx
jne 0x440fa4
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x440fa4
cmp eax, 2
jbe 0x4411a6
cmp eax, 4
jbe 0x441097
cmp eax, 5
je 0x4411a6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4671a0]
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 + 0x4671a0]
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 0x441016
test byte [ebp + 0x10], 8
je 0x441016
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4671a0]
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 0x441225
test byte [ebp + 0x10], 1
je 0x441225
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 0x44120e
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00431b99
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4671a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00440780
pop ecx
jmp 0x440d8d
push 2
push ebx
push ebx
push dword [esi]
call fcn.00444423
add esp, 0x10
or eax, edx
je 0x4411a6
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00444423
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x440e87
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0043b571
add esp, 0xc
cmp eax, 0xffffffff
je 0x440e87
cmp eax, 2
je 0x44114a
cmp eax, 3
jne 0x441198
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x44114a
mov byte [ebp - 2], 1
jmp 0x440fa4
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x440fa4
cmp eax, 2
jbe 0x4411a6
cmp eax, 4
ja 0x440f9b
push 2
push ebx
push ebx
push dword [esi]
call fcn.00444423
add esp, 0x10
or eax, edx
je 0x4411a6
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00444423
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x440fa4
jmp 0x440e87
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x441172
push dword [esi]
call fcn.00434394
pop ecx
call fcn.00431b73
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x441227
cmp eax, 0xfeff
jne 0x441198
push ebx
push 2
push dword [esi]
call fcn.0043bfb1
add esp, 0xc
cmp eax, 0xffffffff
je 0x440e87
mov byte [ebp - 2], 2
jmp 0x440fa4
push ebx
push ebx
push dword [esi]
call fcn.0043bfb1
add esp, 0xc
jmp 0x44113c
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4411c6
dec eax
jne 0x440fa4
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4411d4
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.00439cd2
add esp, 0xc
cmp eax, 0xffffffff
je 0x4411fa
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4411d4
jmp 0x440fa4
push dword [esi]
call fcn.00434394
pop ecx
call fcn.00431b73
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x441227
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4671a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret