Function at 0x4a131f
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 0x4a134e
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a1358
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049ce55
test eax, eax
pop ecx
je 0x4a1373
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048b0ee
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0048fcb4
test eax, eax
pop ecx
je 0x4a138e
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048b0ee
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a13ab
test ecx, 0x74000
jne 0x4a13a7
cmp dword [ebp - 0x24], eax
je 0x4a13ab
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a1405
dec eax
je 0x4a13ef
dec eax
je 0x4a13ea
call fcn.004911a3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00491190
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048b1ea
add esp, 0x14
jmp 0x4a19b7
mov dword [ebp - 8], edx
jmp 0x4a1408
test cl, 8
je 0x4a13fc
test ecx, 0x70000
jne 0x4a13ea
mov dword [ebp - 8], 0x40000000
jmp 0x4a1408
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a1449
sub eax, ecx
je 0x4a1440
sub eax, ecx
je 0x4a1437
sub eax, ecx
je 0x4a142e
sub eax, 0x40
jne 0x4a13c4
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a144c
mov dword [ebp - 0x10], 3
jmp 0x4a144c
mov dword [ebp - 0x10], 2
jmp 0x4a144c
mov dword [ebp - 0x10], 1
jmp 0x4a144c
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 0x4a149f
je 0x4a1496
cmp eax, ebx
je 0x4a1496
cmp eax, edi
je 0x4a148d
cmp eax, 0x200
je 0x4a1512
cmp eax, 0x300
jne 0x4a13c4
mov dword [ebp - 0x14], 2
jmp 0x4a14bc
mov dword [ebp - 0x14], 4
jmp 0x4a14bc
mov dword [ebp - 0x14], 3
jmp 0x4a14bc
cmp eax, 0x500
je 0x4a14b5
cmp eax, 0x600
je 0x4a1512
cmp eax, edx
jne 0x4a13c4
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a14e0
mov ecx, dword [0x4d80d0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a14e0
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a14fc
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a14fc
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a1505
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a151b
or dword [ebp - 0xc], 0x8000000
jmp 0x4a1526
mov dword [ebp - 0x14], 5
jmp 0x4a14bc
test al, 0x10
je 0x4a1526
or dword [ebp - 0xc], 0x10000000
call fcn.0048dd2b
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a154c
call fcn.004911a3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00491190
mov dword [eax], 0x18
jmp 0x4a15da
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 0x4a15e6
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a15b2
test byte [ebp + 0x10], 1
je 0x4a15b2
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 0x4a15e6
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d9300]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004911b6
pop ecx
call fcn.00491190
mov eax, dword [eax]
jmp 0x4a1a73
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4a1637
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d9300]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004911b6
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4a15da
call fcn.00491190
mov dword [eax], 0xd
jmp 0x4a15da
cmp eax, 2
jne 0x4a1642
or byte [ebp - 1], 0x40
jmp 0x4a164b
cmp eax, 3
jne 0x4a164b
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0048dafa
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4d9300]
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 + 0x4d9300]
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 0x4a1720
test cl, 0x80
je 0x4a17f0
test byte [ebp + 0x10], 2
je 0x4a1720
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00496600
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a16df
call fcn.004911a3
cmp dword [eax], 0x83
je 0x4a1720
push dword [esi]
call fcn.004961df
jmp 0x4a15d9
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004975c9
add esp, 0xc
test eax, eax
jne 0x4a1710
cmp byte [ebp - 4], 0x1a
jne 0x4a1710
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048d946
add esp, 0xc
cmp eax, edi
je 0x4a16d3
push ebx
push ebx
push dword [esi]
call fcn.00496600
add esp, 0xc
cmp eax, edi
je 0x4a16d3
test byte [ebp - 1], 0x80
je 0x4a17f0
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a1748
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a1745
or dword [ebp + 0x10], edi
jmp 0x4a1748
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a1795
cmp eax, 0x10000
je 0x4a1781
cmp eax, 0x14000
je 0x4a1781
cmp eax, 0x20000
je 0x4a178f
cmp eax, 0x24000
je 0x4a178f
cmp eax, 0x40000
je 0x4a177b
cmp eax, 0x44000
jne 0x4a1798
mov byte [ebp - 2], 1
jmp 0x4a1798
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a1798
mov byte [ebp - 2], 2
jmp 0x4a1798
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a17f0
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a17f0
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a194a
cmp eax, 0x80000000
je 0x4a1911
cmp eax, ecx
jne 0x4a17f0
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a17f0
cmp eax, 2
jbe 0x4a19f2
cmp eax, 4
jbe 0x4a18e3
cmp eax, 5
je 0x4a19f2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d9300]
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 + 0x4d9300]
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 0x4a1862
test byte [ebp + 0x10], 8
je 0x4a1862
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d9300]
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 0x4a1a71
test byte [ebp + 0x10], 1
je 0x4a1a71
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 0x4a1a5a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004911b6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d9300]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048db77
pop ecx
jmp 0x4a15d9
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049ce89
add esp, 0x10
or eax, edx
je 0x4a19f2
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049ce89
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a16d3
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004975c9
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a16d3
cmp eax, 2
je 0x4a1996
cmp eax, 3
jne 0x4a19e4
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a1996
mov byte [ebp - 2], 1
jmp 0x4a17f0
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a17f0
cmp eax, 2
jbe 0x4a19f2
cmp eax, 4
ja 0x4a17e7
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049ce89
add esp, 0x10
or eax, edx
je 0x4a19f2
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049ce89
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a17f0
jmp 0x4a16d3
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a19be
push dword [esi]
call fcn.004961df
pop ecx
call fcn.00491190
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a1a73
cmp eax, 0xfeff
jne 0x4a19e4
push ebx
push 2
push dword [esi]
call fcn.00496600
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a16d3
mov byte [ebp - 2], 2
jmp 0x4a17f0
push ebx
push ebx
push dword [esi]
call fcn.00496600
add esp, 0xc
jmp 0x4a1988
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a1a12
dec eax
jne 0x4a17f0
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a1a20
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.0049cb98
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a1a46
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a1a20
jmp 0x4a17f0
push dword [esi]
call fcn.004961df
pop ecx
call fcn.00491190
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a1a73
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d9300]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret