Function at 0x42e788
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 0x42e7b7
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x42e7c1
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00432189
test eax, eax
pop ecx
je 0x42e7dc
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0041fa20
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0041f53b
test eax, eax
pop ecx
je 0x42e7f7
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0041fa20
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x42e814
test ecx, 0x74000
jne 0x42e810
cmp dword [ebp - 0x24], eax
je 0x42e814
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, connect
je 0x42e86e
dec eax
je 0x42e858
dec eax
je 0x42e853
call fcn.00421818
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00421805
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0041fb1c
add esp, 0x14
jmp 0x42ee21
mov dword [ebp - 8], edx
jmp 0x42e871
test cl, 8
je 0x42e865
test ecx, 0x70000
jne 0x42e853
mov dword [ebp - 8], 0x40000000
jmp 0x42e871
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x42e8b2
sub eax, ecx
je 0x42e8a9
sub eax, ecx
je 0x42e8a0
sub eax, ecx
je 0x42e897
sub eax, 0x40
jne 0x42e82d
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x42e8b5
mov dword [ebp - 0x10], 3
jmp 0x42e8b5
mov dword [ebp - 0x10], 2
jmp 0x42e8b5
mov dword [ebp - 0x10], 1
jmp 0x42e8b5
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 0x42e908
je 0x42e8ff
cmp eax, ebx
je 0x42e8ff
cmp eax, edi
je 0x42e8f6
cmp eax, 0x200
je 0x42e97b
cmp eax, 0x300
jne 0x42e82d
mov dword [ebp - 0x14], 2
jmp 0x42e925
mov dword [ebp - 0x14], 4
jmp 0x42e925
mov dword [ebp - 0x14], 3
jmp 0x42e925
cmp eax, 0x500
je 0x42e91e
cmp eax, 0x600
je 0x42e97b
cmp eax, edx
jne 0x42e82d
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x42e949
mov ecx, dword [0x445020]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x42e949
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x42e965
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x42e965
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x42e96e
or dword [ebp - 0xc], edi
test al, 0x20
je 0x42e984
or dword [ebp - 0xc], 0x8000000
jmp 0x42e98f
mov dword [ebp - 0x14], 5
jmp 0x42e925
test al, 0x10
je 0x42e98f
or dword [ebp - 0xc], 0x10000000
call fcn.0042ff29
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x42e9b5
call fcn.00421818
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00421805
mov dword [eax], 0x18
jmp 0x42ea43
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 0x42ea4f
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x42ea1b
test byte [ebp + 0x10], 1
je 0x42ea1b
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 0x42ea4f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4460a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042182b
pop ecx
call fcn.00421805
mov eax, dword [eax]
jmp 0x42eedd
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x42eaa0
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4460a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0042182b
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x42ea43
call fcn.00421805
mov dword [eax], 0xd
jmp 0x42ea43
cmp eax, 2
jne 0x42eaab
or byte [ebp - 1], 0x40
jmp 0x42eab4
cmp eax, 3
jne 0x42eab4
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0042fcf8
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4460a0]
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 + 0x4460a0]
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 0x42eb8a
test cl, 0x80
je 0x42ec5a
test byte [ebp + 0x10], 2
je 0x42eb8a
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0042c384
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x42eb48
call fcn.00421818
cmp dword [eax], 0x83
je 0x42eb8a
push dword [esi]
call fcn.00428995
jmp 0x42ea42
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00429400
add esp, 0xc
test eax, eax
jne 0x42eb7a
cmp word [ebp - 0x2c], 0x1a
jne 0x42eb7a
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00431f19
add esp, 0xc
cmp eax, edi
je 0x42eb3c
push ebx
push ebx
push dword [esi]
call fcn.0042c384
add esp, 0xc
cmp eax, edi
je 0x42eb3c
test byte [ebp - 1], 0x80
je 0x42ec5a
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x42ebb2
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x42ebaf
or dword [ebp + 0x10], edi
jmp 0x42ebb2
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x42ebff
cmp eax, 0x10000
je 0x42ebeb
cmp eax, 0x14000
je 0x42ebeb
cmp eax, 0x20000
je 0x42ebf9
cmp eax, 0x24000
je 0x42ebf9
cmp eax, 0x40000
je 0x42ebe5
cmp eax, 0x44000
jne 0x42ec02
mov byte [ebp - 2], 1
jmp 0x42ec02
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x42ec02
mov byte [ebp - 2], 2
jmp 0x42ec02
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x42ec5a
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x42ec5a
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x42edb4
cmp eax, 0x80000000
je 0x42ed7b
cmp eax, ecx
jne 0x42ec5a
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x42ec5a
cmp eax, 2
jbe 0x42ee5c
cmp eax, 4
jbe 0x42ed4d
cmp eax, 5
je 0x42ee5c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4460a0]
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 + 0x4460a0]
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 0x42eccc
test byte [ebp + 0x10], 8
je 0x42eccc
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4460a0]
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 0x42eedb
test byte [ebp + 0x10], 1
je 0x42eedb
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 0x42eec4
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042182b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4460a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0042fd75
pop ecx
jmp 0x42ea42
push 2
push ebx
push ebx
push dword [esi]
call fcn.0042e327
add esp, 0x10
or eax, edx
je 0x42ee5c
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0042e327
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x42eb3c
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00429400
add esp, 0xc
cmp eax, 0xffffffff
je 0x42eb3c
cmp eax, 2
je 0x42ee00
cmp eax, 3
jne 0x42ee4e
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x42ee00
mov byte [ebp - 2], 1
jmp 0x42ec5a
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x42ec5a
cmp eax, 2
jbe 0x42ee5c
cmp eax, 4
ja 0x42ec51
push 2
push ebx
push ebx
push dword [esi]
call fcn.0042e327
add esp, 0x10
or eax, edx
je 0x42ee5c
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0042e327
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x42ec5a
jmp 0x42eb3c
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x42ee28
push dword [esi]
call fcn.00428995
pop ecx
call fcn.00421805
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x42eedd
cmp eax, 0xfeff
jne 0x42ee4e
push ebx
push 2
push dword [esi]
call fcn.0042c384
add esp, 0xc
cmp eax, 0xffffffff
je 0x42eb3c
mov byte [ebp - 2], 2
jmp 0x42ec5a
push ebx
push ebx
push dword [esi]
call fcn.0042c384
add esp, 0xc
jmp 0x42edf2
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x42ee7c
dec eax
jne 0x42ec5a
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x42ee8a
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.0042a244
add esp, 0xc
cmp eax, 0xffffffff
je 0x42eeb0
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x42ee8a
jmp 0x42ec5a
push dword [esi]
call fcn.00428995
pop ecx
call fcn.00421805
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x42eedd
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4460a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret