Function at 0x4a11ef
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 0x4a121e
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a1228
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049cd25
test eax, eax
pop ecx
je 0x4a1243
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048afbe
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0048fb84
test eax, eax
pop ecx
je 0x4a125e
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048afbe
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a127b
test ecx, 0x74000
jne 0x4a1277
cmp dword [ebp - 0x24], eax
je 0x4a127b
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a12d5
dec eax
je 0x4a12bf
dec eax
je 0x4a12ba
call fcn.00491073
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00491060
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048b0ba
add esp, 0x14
jmp 0x4a1887
mov dword [ebp - 8], edx
jmp 0x4a12d8
test cl, 8
je 0x4a12cc
test ecx, 0x70000
jne 0x4a12ba
mov dword [ebp - 8], 0x40000000
jmp 0x4a12d8
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a1319
sub eax, ecx
je 0x4a1310
sub eax, ecx
je 0x4a1307
sub eax, ecx
je 0x4a12fe
sub eax, 0x40
jne 0x4a1294
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a131c
mov dword [ebp - 0x10], 3
jmp 0x4a131c
mov dword [ebp - 0x10], 2
jmp 0x4a131c
mov dword [ebp - 0x10], 1
jmp 0x4a131c
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 0x4a136f
je 0x4a1366
cmp eax, ebx
je 0x4a1366
cmp eax, edi
je 0x4a135d
cmp eax, 0x200
je 0x4a13e2
cmp eax, 0x300
jne 0x4a1294
mov dword [ebp - 0x14], 2
jmp 0x4a138c
mov dword [ebp - 0x14], 4
jmp 0x4a138c
mov dword [ebp - 0x14], 3
jmp 0x4a138c
cmp eax, 0x500
je 0x4a1385
cmp eax, 0x600
je 0x4a13e2
cmp eax, edx
jne 0x4a1294
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a13b0
mov ecx, dword [0x4d80d0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a13b0
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a13cc
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a13cc
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a13d5
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a13eb
or dword [ebp - 0xc], 0x8000000
jmp 0x4a13f6
mov dword [ebp - 0x14], 5
jmp 0x4a138c
test al, 0x10
je 0x4a13f6
or dword [ebp - 0xc], 0x10000000
call fcn.0048dbfb
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a141c
call fcn.00491073
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00491060
mov dword [eax], 0x18
jmp 0x4a14aa
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 0x4a14b6
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a1482
test byte [ebp + 0x10], 1
je 0x4a1482
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 0x4a14b6
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.00491086
pop ecx
call fcn.00491060
mov eax, dword [eax]
jmp 0x4a1943
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4a1507
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.00491086
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4a14aa
call fcn.00491060
mov dword [eax], 0xd
jmp 0x4a14aa
cmp eax, 2
jne 0x4a1512
or byte [ebp - 1], 0x40
jmp 0x4a151b
cmp eax, 3
jne 0x4a151b
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0048d9ca
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 0x4a15f0
test cl, 0x80
je 0x4a16c0
test byte [ebp + 0x10], 2
je 0x4a15f0
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004964d0
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a15af
call fcn.00491073
cmp dword [eax], 0x83
je 0x4a15f0
push dword [esi]
call fcn.004960af
jmp 0x4a14a9
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00497499
add esp, 0xc
test eax, eax
jne 0x4a15e0
cmp byte [ebp - 4], 0x1a
jne 0x4a15e0
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048d816
add esp, 0xc
cmp eax, edi
je 0x4a15a3
push ebx
push ebx
push dword [esi]
call fcn.004964d0
add esp, 0xc
cmp eax, edi
je 0x4a15a3
test byte [ebp - 1], 0x80
je 0x4a16c0
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a1618
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a1615
or dword [ebp + 0x10], edi
jmp 0x4a1618
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a1665
cmp eax, 0x10000
je 0x4a1651
cmp eax, 0x14000
je 0x4a1651
cmp eax, 0x20000
je 0x4a165f
cmp eax, 0x24000
je 0x4a165f
cmp eax, 0x40000
je 0x4a164b
cmp eax, 0x44000
jne 0x4a1668
mov byte [ebp - 2], 1
jmp 0x4a1668
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a1668
mov byte [ebp - 2], 2
jmp 0x4a1668
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a16c0
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a16c0
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a181a
cmp eax, 0x80000000
je 0x4a17e1
cmp eax, ecx
jne 0x4a16c0
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a16c0
cmp eax, 2
jbe 0x4a18c2
cmp eax, 4
jbe 0x4a17b3
cmp eax, 5
je 0x4a18c2
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 0x4a1732
test byte [ebp + 0x10], 8
je 0x4a1732
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 0x4a1941
test byte [ebp + 0x10], 1
je 0x4a1941
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 0x4a192a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00491086
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.0048da47
pop ecx
jmp 0x4a14a9
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049cd59
add esp, 0x10
or eax, edx
je 0x4a18c2
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049cd59
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a15a3
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00497499
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a15a3
cmp eax, 2
je 0x4a1866
cmp eax, 3
jne 0x4a18b4
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a1866
mov byte [ebp - 2], 1
jmp 0x4a16c0
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a16c0
cmp eax, 2
jbe 0x4a18c2
cmp eax, 4
ja 0x4a16b7
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049cd59
add esp, 0x10
or eax, edx
je 0x4a18c2
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049cd59
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a16c0
jmp 0x4a15a3
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a188e
push dword [esi]
call fcn.004960af
pop ecx
call fcn.00491060
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a1943
cmp eax, 0xfeff
jne 0x4a18b4
push ebx
push 2
push dword [esi]
call fcn.004964d0
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a15a3
mov byte [ebp - 2], 2
jmp 0x4a16c0
push ebx
push ebx
push dword [esi]
call fcn.004964d0
add esp, 0xc
jmp 0x4a1858
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a18e2
dec eax
jne 0x4a16c0
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a18f0
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.0049ca68
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a1916
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a18f0
jmp 0x4a16c0
push dword [esi]
call fcn.004960af
pop ecx
call fcn.00491060
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a1943
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