Function at 0x440425
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 0x440454
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x44045e
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00441c9e
test eax, eax
pop ecx
je 0x440479
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00425739
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0042a9b5
test eax, eax
pop ecx
je 0x440494
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00425739
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4404b1
test ecx, 0x74000
jne 0x4404ad
cmp dword [ebp - 0x24], eax
je 0x4404b1
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x44050b
dec eax
je 0x4404f5
dec eax
je 0x4404f0
call fcn.0042a81d
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042a80a
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00425835
add esp, 0x14
jmp 0x440abd
mov dword [ebp - 8], edx
jmp 0x44050e
test cl, 8
je 0x440502
test ecx, 0x70000
jne 0x4404f0
mov dword [ebp - 8], 0x40000000
jmp 0x44050e
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x44054f
sub eax, ecx
je 0x440546
sub eax, ecx
je 0x44053d
sub eax, ecx
je 0x440534
sub eax, 0x40
jne 0x4404ca
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x440552
mov dword [ebp - 0x10], 3
jmp 0x440552
mov dword [ebp - 0x10], 2
jmp 0x440552
mov dword [ebp - 0x10], 1
jmp 0x440552
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 0x4405a5
je 0x44059c
cmp eax, ebx
je 0x44059c
cmp eax, edi
je 0x440593
cmp eax, 0x200
je 0x440618
cmp eax, 0x300
jne 0x4404ca
mov dword [ebp - 0x14], 2
jmp 0x4405c2
mov dword [ebp - 0x14], 4
jmp 0x4405c2
mov dword [ebp - 0x14], 3
jmp 0x4405c2
cmp eax, 0x500
je 0x4405bb
cmp eax, 0x600
je 0x440618
cmp eax, edx
jne 0x4404ca
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4405e6
mov ecx, dword [0x457e94]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4405e6
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x440602
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x440602
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x44060b
or dword [ebp - 0xc], edi
test al, 0x20
je 0x440621
or dword [ebp - 0xc], 0x8000000
jmp 0x44062c
mov dword [ebp - 0x14], 5
jmp 0x4405c2
test al, 0x10
je 0x44062c
or dword [ebp - 0xc], 0x10000000
call fcn.0042b5cf
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x440652
call fcn.0042a81d
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042a80a
mov dword [eax], 0x18
jmp 0x4406e0
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 0x4406ec
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4406b8
test byte [ebp + 0x10], 1
je 0x4406b8
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 0x4406ec
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x459d20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042a830
pop ecx
call fcn.0042a80a
mov eax, dword [eax]
jmp 0x440b79
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x44073d
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x459d20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0042a830
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4406e0
call fcn.0042a80a
mov dword [eax], 0xd
jmp 0x4406e0
cmp eax, 2
jne 0x440748
or byte [ebp - 1], 0x40
jmp 0x440751
cmp eax, 3
jne 0x440751
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0042b39e
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x459d20]
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 + 0x459d20]
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 0x440826
test cl, 0x80
je 0x4408f6
test byte [ebp + 0x10], 2
je 0x440826
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00433f80
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4407e5
call fcn.0042a81d
cmp dword [eax], 0x83
je 0x440826
push dword [esi]
call fcn.0043202e
jmp 0x4406df
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004377b7
add esp, 0xc
test eax, eax
jne 0x440816
cmp byte [ebp - 4], 0x1a
jne 0x440816
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00441a2e
add esp, 0xc
cmp eax, edi
je 0x4407d9
push ebx
push ebx
push dword [esi]
call fcn.00433f80
add esp, 0xc
cmp eax, edi
je 0x4407d9
test byte [ebp - 1], 0x80
je 0x4408f6
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x44084e
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x44084b
or dword [ebp + 0x10], edi
jmp 0x44084e
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x44089b
cmp eax, 0x10000
je 0x440887
cmp eax, 0x14000
je 0x440887
cmp eax, 0x20000
je 0x440895
cmp eax, 0x24000
je 0x440895
cmp eax, 0x40000
je 0x440881
cmp eax, 0x44000
jne 0x44089e
mov byte [ebp - 2], 1
jmp 0x44089e
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x44089e
mov byte [ebp - 2], 2
jmp 0x44089e
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4408f6
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4408f6
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x440a50
cmp eax, 0x80000000
je 0x440a17
cmp eax, ecx
jne 0x4408f6
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4408f6
cmp eax, 2
jbe 0x440af8
cmp eax, 4
jbe 0x4409e9
cmp eax, 5
je 0x440af8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x459d20]
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 + 0x459d20]
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 0x440968
test byte [ebp + 0x10], 8
je 0x440968
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x459d20]
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 0x440b77
test byte [ebp + 0x10], 1
je 0x440b77
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 0x440b60
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042a830
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x459d20]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0042b41b
pop ecx
jmp 0x4406df
push 2
push ebx
push ebx
push dword [esi]
call fcn.00438a52
add esp, 0x10
or eax, edx
je 0x440af8
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00438a52
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4407d9
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004377b7
add esp, 0xc
cmp eax, 0xffffffff
je 0x4407d9
cmp eax, 2
je 0x440a9c
cmp eax, 3
jne 0x440aea
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x440a9c
mov byte [ebp - 2], 1
jmp 0x4408f6
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4408f6
cmp eax, 2
jbe 0x440af8
cmp eax, 4
ja 0x4408ed
push 2
push ebx
push ebx
push dword [esi]
call fcn.00438a52
add esp, 0x10
or eax, edx
je 0x440af8
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00438a52
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4408f6
jmp 0x4407d9
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x440ac4
push dword [esi]
call fcn.0043202e
pop ecx
call fcn.0042a80a
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x440b79
cmp eax, 0xfeff
jne 0x440aea
push ebx
push 2
push dword [esi]
call fcn.00433f80
add esp, 0xc
cmp eax, 0xffffffff
je 0x4407d9
mov byte [ebp - 2], 2
jmp 0x4408f6
push ebx
push ebx
push dword [esi]
call fcn.00433f80
add esp, 0xc
jmp 0x440a8e
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x440b18
dec eax
jne 0x4408f6
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x440b26
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.00431f52
add esp, 0xc
cmp eax, 0xffffffff
je 0x440b4c
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x440b26
jmp 0x4408f6
push dword [esi]
call fcn.0043202e
pop ecx
call fcn.0042a80a
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x440b79
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x459d20]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret