Function at 0x42aa9b
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 0x42aaca
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x42aad4
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0042b904
test eax, eax
pop ecx
je 0x42aaef
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00416131
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0041db60
test eax, eax
pop ecx
je 0x42ab0a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00416131
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x42ab27
test ecx, 0x74000
jne 0x42ab23
cmp dword [ebp - 0x24], eax
je 0x42ab27
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, connect
je 0x42ab81
dec eax
je 0x42ab6b
dec eax
je 0x42ab66
call fcn.0041c8a5
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0041c892
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0041622d
add esp, 0x14
jmp 0x42b133
mov dword [ebp - 8], edx
jmp 0x42ab84
test cl, 8
je 0x42ab78
test ecx, 0x70000
jne 0x42ab66
mov dword [ebp - 8], 0x40000000
jmp 0x42ab84
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x42abc5
sub eax, ecx
je 0x42abbc
sub eax, ecx
je 0x42abb3
sub eax, ecx
je 0x42abaa
sub eax, 0x40
jne 0x42ab40
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x42abc8
mov dword [ebp - 0x10], 3
jmp 0x42abc8
mov dword [ebp - 0x10], 2
jmp 0x42abc8
mov dword [ebp - 0x10], 1
jmp 0x42abc8
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 0x42ac1b
je 0x42ac12
cmp eax, ebx
je 0x42ac12
cmp eax, edi
je 0x42ac09
cmp eax, 0x200
je 0x42ac8e
cmp eax, 0x300
jne 0x42ab40
mov dword [ebp - 0x14], 2
jmp 0x42ac38
mov dword [ebp - 0x14], 4
jmp 0x42ac38
mov dword [ebp - 0x14], 3
jmp 0x42ac38
cmp eax, 0x500
je 0x42ac31
cmp eax, 0x600
je 0x42ac8e
cmp eax, edx
jne 0x42ab40
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x42ac5c
mov ecx, dword [0x4834d8]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x42ac5c
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x42ac78
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x42ac78
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x42ac81
or dword [ebp - 0xc], edi
test al, 0x20
je 0x42ac97
or dword [ebp - 0xc], 0x8000000
jmp 0x42aca2
mov dword [ebp - 0x14], 5
jmp 0x42ac38
test al, 0x10
je 0x42aca2
or dword [ebp - 0xc], 0x10000000
call fcn.00429bd8
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x42acc8
call fcn.0041c8a5
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0041c892
mov dword [eax], 0x18
jmp 0x42ad56
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 0x42ad62
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x42ad2e
test byte [ebp + 0x10], 1
je 0x42ad2e
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 0x42ad62
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4ec640]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0041c8b8
pop ecx
call fcn.0041c892
mov eax, dword [eax]
jmp 0x42b1ef
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x42adb3
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4ec640]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0041c8b8
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x42ad56
call fcn.0041c892
mov dword [eax], 0xd
jmp 0x42ad56
cmp eax, 2
jne 0x42adbe
or byte [ebp - 1], 0x40
jmp 0x42adc7
cmp eax, 3
jne 0x42adc7
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004299a7
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4ec640]
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 + 0x4ec640]
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 0x42ae9c
test cl, 0x80
je 0x42af6c
test byte [ebp + 0x10], 2
je 0x42ae9c
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00423f65
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x42ae5b
call fcn.0041c8a5
cmp dword [eax], 0x83
je 0x42ae9c
push dword [esi]
call fcn.0041e78b
jmp 0x42ad55
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0042483c
add esp, 0xc
test eax, eax
jne 0x42ae8c
cmp byte [ebp - 4], 0x1a
jne 0x42ae8c
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0042b694
add esp, 0xc
cmp eax, edi
je 0x42ae4f
push ebx
push ebx
push dword [esi]
call fcn.00423f65
add esp, 0xc
cmp eax, edi
je 0x42ae4f
test byte [ebp - 1], 0x80
je 0x42af6c
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x42aec4
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x42aec1
or dword [ebp + 0x10], edi
jmp 0x42aec4
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x42af11
cmp eax, 0x10000
je 0x42aefd
cmp eax, 0x14000
je 0x42aefd
cmp eax, 0x20000
je 0x42af0b
cmp eax, 0x24000
je 0x42af0b
cmp eax, 0x40000
je 0x42aef7
cmp eax, 0x44000
jne 0x42af14
mov byte [ebp - 2], 1
jmp 0x42af14
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x42af14
mov byte [ebp - 2], 2
jmp 0x42af14
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x42af6c
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x42af6c
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x42b0c6
cmp eax, 0x80000000
je 0x42b08d
cmp eax, ecx
jne 0x42af6c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x42af6c
cmp eax, 2
jbe 0x42b16e
cmp eax, 4
jbe 0x42b05f
cmp eax, 5
je 0x42b16e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ec640]
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 + 0x4ec640]
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 0x42afde
test byte [ebp + 0x10], 8
je 0x42afde
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ec640]
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 0x42b1ed
test byte [ebp + 0x10], 1
je 0x42b1ed
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 0x42b1d6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0041c8b8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ec640]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00429a24
pop ecx
jmp 0x42ad55
push 2
push ebx
push ebx
push dword [esi]
call fcn.00429d77
add esp, 0x10
or eax, edx
je 0x42b16e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00429d77
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x42ae4f
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0042483c
add esp, 0xc
cmp eax, 0xffffffff
je 0x42ae4f
cmp eax, 2
je 0x42b112
cmp eax, 3
jne 0x42b160
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x42b112
mov byte [ebp - 2], 1
jmp 0x42af6c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x42af6c
cmp eax, 2
jbe 0x42b16e
cmp eax, 4
ja 0x42af63
push 2
push ebx
push ebx
push dword [esi]
call fcn.00429d77
add esp, 0x10
or eax, edx
je 0x42b16e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00429d77
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x42af6c
jmp 0x42ae4f
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x42b13a
push dword [esi]
call fcn.0041e78b
pop ecx
call fcn.0041c892
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x42b1ef
cmp eax, 0xfeff
jne 0x42b160
push ebx
push 2
push dword [esi]
call fcn.00423f65
add esp, 0xc
cmp eax, 0xffffffff
je 0x42ae4f
mov byte [ebp - 2], 2
jmp 0x42af6c
push ebx
push ebx
push dword [esi]
call fcn.00423f65
add esp, 0xc
jmp 0x42b104
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x42b18e
dec eax
jne 0x42af6c
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x42b19c
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.0041f06b
add esp, 0xc
cmp eax, 0xffffffff
je 0x42b1c2
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x42b19c
jmp 0x42af6c
push dword [esi]
call fcn.0041e78b
pop ecx
call fcn.0041c892
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x42b1ef
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ec640]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret