Function at 0x4e235a
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 0x4e2389
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x4e2393
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004e5477
test eax, eax
pop ecx
je 0x4e23ae
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004d1311
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004d361c
test eax, eax
pop ecx
je 0x4e23c9
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004d1311
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4e23e6
test ecx, 0x74000
jne 0x4e23e2
cmp dword [ebp - 0x24], eax
je 0x4e23e6
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, DirectSoundCreate
je 0x4e2440
dec eax
je 0x4e242a
dec eax
je 0x4e2425
call fcn.004d1c0b
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004d1bf8
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004d142f
add esp, 0x14
jmp 0x4e29f3
mov dword [ebp - 8], edx
jmp 0x4e2443
test cl, 8
je 0x4e2437
test ecx, 0x70000
jne 0x4e2425
mov dword [ebp - 8], 0x40000000
jmp 0x4e2443
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4e2484
sub eax, ecx
je 0x4e247b
sub eax, ecx
je 0x4e2472
sub eax, ecx
je 0x4e2469
sub eax, 0x40
jne 0x4e23ff
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4e2487
mov dword [ebp - 0x10], 3
jmp 0x4e2487
mov dword [ebp - 0x10], 2
jmp 0x4e2487
mov dword [ebp - 0x10], 1
jmp 0x4e2487
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 0x4e24da
je 0x4e24d1
cmp eax, ebx
je 0x4e24d1
cmp eax, edi
je 0x4e24c8
cmp eax, 0x200
je 0x4e254d
cmp eax, 0x300
jne 0x4e23ff
mov dword [ebp - 0x14], 2
jmp 0x4e24f7
mov dword [ebp - 0x14], 4
jmp 0x4e24f7
mov dword [ebp - 0x14], 3
jmp 0x4e24f7
cmp eax, 0x500
je 0x4e24f0
cmp eax, 0x600
je 0x4e254d
cmp eax, edx
jne 0x4e23ff
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4e251b
mov ecx, dword [0x54a084]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4e251b
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4e2537
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4e2537
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4e2540
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4e2556
or dword [ebp - 0xc], 0x8000000
jmp 0x4e2561
mov dword [ebp - 0x14], 5
jmp 0x4e24f7
test al, 0x10
je 0x4e2561
or dword [ebp - 0xc], 0x10000000
call fcn.004d4731
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4e2587
call fcn.004d1c0b
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004d1bf8
mov dword [eax], 0x18
jmp 0x4e2615
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 0x4e2621
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4e25ed
test byte [ebp + 0x10], 1
je 0x4e25ed
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 0x4e2621
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x54ce80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004d1c1e
pop ecx
call fcn.004d1bf8
mov eax, dword [eax]
jmp 0x4e2aaf
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4e2672
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x54ce80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004d1c1e
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4e2615
call fcn.004d1bf8
mov dword [eax], 0xd
jmp 0x4e2615
cmp eax, 2
jne 0x4e267d
or byte [ebp - 1], 0x40
jmp 0x4e2686
cmp eax, 3
jne 0x4e2686
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004d4500
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x54ce80]
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 + 0x54ce80]
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 0x4e275c
test cl, 0x80
je 0x4e282c
test byte [ebp + 0x10], 2
je 0x4e275c
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004e151b
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4e271a
call fcn.004d1c0b
cmp dword [eax], 0x83
je 0x4e275c
push dword [esi]
call fcn.004d961b
jmp 0x4e2614
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004e0cb6
add esp, 0xc
test eax, eax
jne 0x4e274c
cmp word [ebp - 0x2c], 0x1a
jne 0x4e274c
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004e5207
add esp, 0xc
cmp eax, edi
je 0x4e270e
push ebx
push ebx
push dword [esi]
call fcn.004e151b
add esp, 0xc
cmp eax, edi
je 0x4e270e
test byte [ebp - 1], 0x80
je 0x4e282c
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4e2784
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4e2781
or dword [ebp + 0x10], edi
jmp 0x4e2784
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4e27d1
cmp eax, 0x10000
je 0x4e27bd
cmp eax, 0x14000
je 0x4e27bd
cmp eax, 0x20000
je 0x4e27cb
cmp eax, 0x24000
je 0x4e27cb
cmp eax, 0x40000
je 0x4e27b7
cmp eax, 0x44000
jne 0x4e27d4
mov byte [ebp - 2], 1
jmp 0x4e27d4
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4e27d4
mov byte [ebp - 2], 2
jmp 0x4e27d4
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4e282c
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4e282c
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4e2986
cmp eax, 0x80000000
je 0x4e294d
cmp eax, ecx
jne 0x4e282c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4e282c
cmp eax, 2
jbe 0x4e2a2e
cmp eax, 4
jbe 0x4e291f
cmp eax, 5
je 0x4e2a2e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x54ce80]
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 + 0x54ce80]
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 0x4e289e
test byte [ebp + 0x10], 8
je 0x4e289e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x54ce80]
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 0x4e2aad
test byte [ebp + 0x10], 1
je 0x4e2aad
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 0x4e2a96
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004d1c1e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x54ce80]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004d457d
pop ecx
jmp 0x4e2614
push 2
push ebx
push ebx
push dword [esi]
call fcn.004e1990
add esp, 0x10
or eax, edx
je 0x4e2a2e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004e1990
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4e270e
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004e0cb6
add esp, 0xc
cmp eax, 0xffffffff
je 0x4e270e
cmp eax, 2
je 0x4e29d2
cmp eax, 3
jne 0x4e2a20
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4e29d2
mov byte [ebp - 2], 1
jmp 0x4e282c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4e282c
cmp eax, 2
jbe 0x4e2a2e
cmp eax, 4
ja 0x4e2823
push 2
push ebx
push ebx
push dword [esi]
call fcn.004e1990
add esp, 0x10
or eax, edx
je 0x4e2a2e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004e1990
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4e282c
jmp 0x4e270e
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4e29fa
push dword [esi]
call fcn.004d961b
pop ecx
call fcn.004d1bf8
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4e2aaf
cmp eax, 0xfeff
jne 0x4e2a20
push ebx
push 2
push dword [esi]
call fcn.004e151b
add esp, 0xc
cmp eax, 0xffffffff
je 0x4e270e
mov byte [ebp - 2], 2
jmp 0x4e282c
push ebx
push ebx
push dword [esi]
call fcn.004e151b
add esp, 0xc
jmp 0x4e29c4
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4e2a4e
dec eax
jne 0x4e282c
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4e2a5c
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.004d7ba9
add esp, 0xc
cmp eax, 0xffffffff
je 0x4e2a82
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4e2a5c
jmp 0x4e282c
push dword [esi]
call fcn.004d961b
pop ecx
call fcn.004d1bf8
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4e2aaf
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x54ce80]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret