Function at 0x440863
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 0x440892
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x44089c
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004434fb
test eax, eax
pop ecx
je 0x4408b7
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004346cd
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0042fe88
test eax, eax
pop ecx
je 0x4408d2
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004346cd
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4408ef
test ecx, 0x74000
jne 0x4408eb
cmp dword [ebp - 0x24], eax
je 0x4408ef
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x440949
dec eax
je 0x440933
dec eax
je 0x44092e
call fcn.004301cb
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004301b8
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004347c9
add esp, 0x14
jmp 0x440efc
mov dword [ebp - 8], edx
jmp 0x44094c
test cl, 8
je 0x440940
test ecx, 0x70000
jne 0x44092e
mov dword [ebp - 8], 0x40000000
jmp 0x44094c
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x44098d
sub eax, ecx
je 0x440984
sub eax, ecx
je 0x44097b
sub eax, ecx
je 0x440972
sub eax, 0x40
jne 0x440908
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x440990
mov dword [ebp - 0x10], 3
jmp 0x440990
mov dword [ebp - 0x10], 2
jmp 0x440990
mov dword [ebp - 0x10], 1
jmp 0x440990
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 0x4409e3
je 0x4409da
cmp eax, ebx
je 0x4409da
cmp eax, edi
je 0x4409d1
cmp eax, 0x200
je 0x440a56
cmp eax, 0x300
jne 0x440908
mov dword [ebp - 0x14], 2
jmp 0x440a00
mov dword [ebp - 0x14], 4
jmp 0x440a00
mov dword [ebp - 0x14], 3
jmp 0x440a00
cmp eax, 0x500
je 0x4409f9
cmp eax, 0x600
je 0x440a56
cmp eax, edx
jne 0x440908
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x440a24
mov ecx, dword [0x45eae4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x440a24
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x440a40
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x440a40
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x440a49
or dword [ebp - 0xc], edi
test al, 0x20
je 0x440a5f
or dword [ebp - 0xc], 0x8000000
jmp 0x440a6a
mov dword [ebp - 0x14], 5
jmp 0x440a00
test al, 0x10
je 0x440a6a
or dword [ebp - 0xc], 0x10000000
call fcn.004415b0
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x440a90
call fcn.004301cb
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004301b8
mov dword [eax], 0x18
jmp 0x440b1e
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 0x440b2a
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x440af6
test byte [ebp + 0x10], 1
je 0x440af6
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 0x440b2a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x460860]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004301de
pop ecx
call fcn.004301b8
mov eax, dword [eax]
jmp 0x440fb8
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x440b7b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x460860]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004301de
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x440b1e
call fcn.004301b8
mov dword [eax], 0xd
jmp 0x440b1e
cmp eax, 2
jne 0x440b86
or byte [ebp - 1], 0x40
jmp 0x440b8f
cmp eax, 3
jne 0x440b8f
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0044137f
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x460860]
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 + 0x460860]
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 0x440c65
test cl, 0x80
je 0x440d35
test byte [ebp + 0x10], 2
je 0x440c65
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0043ae19
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x440c23
call fcn.004301cb
cmp dword [eax], 0x83
je 0x440c65
push dword [esi]
call fcn.004393b5
jmp 0x440b1d
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0043afab
add esp, 0xc
test eax, eax
jne 0x440c55
cmp word [ebp - 0x2c], 0x1a
jne 0x440c55
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0044328b
add esp, 0xc
cmp eax, edi
je 0x440c17
push ebx
push ebx
push dword [esi]
call fcn.0043ae19
add esp, 0xc
cmp eax, edi
je 0x440c17
test byte [ebp - 1], 0x80
je 0x440d35
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x440c8d
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x440c8a
or dword [ebp + 0x10], edi
jmp 0x440c8d
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x440cda
cmp eax, 0x10000
je 0x440cc6
cmp eax, 0x14000
je 0x440cc6
cmp eax, 0x20000
je 0x440cd4
cmp eax, 0x24000
je 0x440cd4
cmp eax, 0x40000
je 0x440cc0
cmp eax, 0x44000
jne 0x440cdd
mov byte [ebp - 2], 1
jmp 0x440cdd
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x440cdd
mov byte [ebp - 2], 2
jmp 0x440cdd
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x440d35
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x440d35
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x440e8f
cmp eax, 0x80000000
je 0x440e56
cmp eax, ecx
jne 0x440d35
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x440d35
cmp eax, 2
jbe 0x440f37
cmp eax, 4
jbe 0x440e28
cmp eax, 5
je 0x440f37
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x460860]
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 + 0x460860]
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 0x440da7
test byte [ebp + 0x10], 8
je 0x440da7
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x460860]
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 0x440fb6
test byte [ebp + 0x10], 1
je 0x440fb6
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 0x440f9f
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004301de
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x460860]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004413fc
pop ecx
jmp 0x440b1d
push 2
push ebx
push ebx
push dword [esi]
call fcn.0043f2c6
add esp, 0x10
or eax, edx
je 0x440f37
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0043f2c6
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x440c17
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0043afab
add esp, 0xc
cmp eax, 0xffffffff
je 0x440c17
cmp eax, 2
je 0x440edb
cmp eax, 3
jne 0x440f29
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x440edb
mov byte [ebp - 2], 1
jmp 0x440d35
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x440d35
cmp eax, 2
jbe 0x440f37
cmp eax, 4
ja 0x440d2c
push 2
push ebx
push ebx
push dword [esi]
call fcn.0043f2c6
add esp, 0x10
or eax, edx
je 0x440f37
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0043f2c6
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x440d35
jmp 0x440c17
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x440f03
push dword [esi]
call fcn.004393b5
pop ecx
call fcn.004301b8
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x440fb8
cmp eax, 0xfeff
jne 0x440f29
push ebx
push 2
push dword [esi]
call fcn.0043ae19
add esp, 0xc
cmp eax, 0xffffffff
je 0x440c17
mov byte [ebp - 2], 2
jmp 0x440d35
push ebx
push ebx
push dword [esi]
call fcn.0043ae19
add esp, 0xc
jmp 0x440ecd
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x440f57
dec eax
jne 0x440d35
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x440f65
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.0043aae9
add esp, 0xc
cmp eax, 0xffffffff
je 0x440f8b
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x440f65
jmp 0x440d35
push dword [esi]
call fcn.004393b5
pop ecx
call fcn.004301b8
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x440fb8
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x460860]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret