Function at 0x4a1701
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 0x4a1730
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a173a
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049d36e
test eax, eax
pop ecx
je 0x4a1755
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004897ee
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0048c444
test eax, eax
pop ecx
je 0x4a1770
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004897ee
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a178d
test ecx, 0x74000
jne 0x4a1789
cmp dword [ebp - 0x24], eax
je 0x4a178d
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a17e7
dec eax
je 0x4a17d1
dec eax
je 0x4a17cc
call fcn.00490e8a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00490e77
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004898ea
add esp, 0x14
jmp 0x4a1d99
mov dword [ebp - 8], edx
jmp 0x4a17ea
test cl, 8
je 0x4a17de
test ecx, 0x70000
jne 0x4a17cc
mov dword [ebp - 8], 0x40000000
jmp 0x4a17ea
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a182b
sub eax, ecx
je 0x4a1822
sub eax, ecx
je 0x4a1819
sub eax, ecx
je 0x4a1810
sub eax, 0x40
jne 0x4a17a6
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a182e
mov dword [ebp - 0x10], 3
jmp 0x4a182e
mov dword [ebp - 0x10], 2
jmp 0x4a182e
mov dword [ebp - 0x10], 1
jmp 0x4a182e
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 0x4a1881
je 0x4a1878
cmp eax, ebx
je 0x4a1878
cmp eax, edi
je 0x4a186f
cmp eax, 0x200
je 0x4a18f4
cmp eax, 0x300
jne 0x4a17a6
mov dword [ebp - 0x14], 2
jmp 0x4a189e
mov dword [ebp - 0x14], 4
jmp 0x4a189e
mov dword [ebp - 0x14], 3
jmp 0x4a189e
cmp eax, 0x500
je 0x4a1897
cmp eax, 0x600
je 0x4a18f4
cmp eax, edx
jne 0x4a17a6
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a18c2
mov ecx, dword [0x50c8c0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a18c2
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a18de
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a18de
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a18e7
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a18fd
or dword [ebp - 0xc], 0x8000000
jmp 0x4a1908
mov dword [ebp - 0x14], 5
jmp 0x4a189e
test al, 0x10
je 0x4a1908
or dword [ebp - 0xc], 0x10000000
call fcn.0048d391
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a192e
call fcn.00490e8a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00490e77
mov dword [eax], 0x18
jmp 0x4a19bc
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 0x4a19c8
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a1994
test byte [ebp + 0x10], 1
je 0x4a1994
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 0x4a19c8
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x50e660]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.00490e9d
pop ecx
call fcn.00490e77
mov eax, dword [eax]
jmp 0x4a1e55
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_GetFileType]
cmp eax, ebx
jne 0x4a1a19
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x50e660]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
mov esi, eax
push esi
call fcn.00490e9d
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
cmp esi, ebx
jne 0x4a19bc
call fcn.00490e77
mov dword [eax], 0xd
jmp 0x4a19bc
cmp eax, 2
jne 0x4a1a24
or byte [ebp - 1], 0x40
jmp 0x4a1a2d
cmp eax, 3
jne 0x4a1a2d
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0048d160
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x50e660]
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 + 0x50e660]
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 0x4a1b02
test cl, 0x80
je 0x4a1bd2
test byte [ebp + 0x10], 2
je 0x4a1b02
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00496168
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a1ac1
call fcn.00490e8a
cmp dword [eax], 0x83
je 0x4a1b02
push dword [esi]
call fcn.00495d47
jmp 0x4a19bb
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00497131
add esp, 0xc
test eax, eax
jne 0x4a1af2
cmp byte [ebp - 4], 0x1a
jne 0x4a1af2
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048c723
add esp, 0xc
cmp eax, edi
je 0x4a1ab5
push ebx
push ebx
push dword [esi]
call fcn.00496168
add esp, 0xc
cmp eax, edi
je 0x4a1ab5
test byte [ebp - 1], 0x80
je 0x4a1bd2
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a1b2a
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a1b27
or dword [ebp + 0x10], edi
jmp 0x4a1b2a
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a1b77
cmp eax, 0x10000
je 0x4a1b63
cmp eax, 0x14000
je 0x4a1b63
cmp eax, 0x20000
je 0x4a1b71
cmp eax, 0x24000
je 0x4a1b71
cmp eax, 0x40000
je 0x4a1b5d
cmp eax, 0x44000
jne 0x4a1b7a
mov byte [ebp - 2], 1
jmp 0x4a1b7a
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a1b7a
mov byte [ebp - 2], 2
jmp 0x4a1b7a
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a1bd2
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a1bd2
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a1d2c
cmp eax, 0x80000000
je 0x4a1cf3
cmp eax, ecx
jne 0x4a1bd2
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a1bd2
cmp eax, 2
jbe 0x4a1dd4
cmp eax, 4
jbe 0x4a1cc5
cmp eax, 5
je 0x4a1dd4
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x50e660]
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 + 0x50e660]
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 0x4a1c44
test byte [ebp + 0x10], 8
je 0x4a1c44
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x50e660]
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 0x4a1e53
test byte [ebp + 0x10], 1
je 0x4a1e53
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 0x4a1e3c
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.00490e9d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x50e660]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048d1dd
pop ecx
jmp 0x4a19bb
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049d3a2
add esp, 0x10
or eax, edx
je 0x4a1dd4
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049d3a2
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a1ab5
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00497131
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a1ab5
cmp eax, 2
je 0x4a1d78
cmp eax, 3
jne 0x4a1dc6
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a1d78
mov byte [ebp - 2], 1
jmp 0x4a1bd2
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a1bd2
cmp eax, 2
jbe 0x4a1dd4
cmp eax, 4
ja 0x4a1bc9
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049d3a2
add esp, 0x10
or eax, edx
je 0x4a1dd4
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049d3a2
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a1bd2
jmp 0x4a1ab5
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a1da0
push dword [esi]
call fcn.00495d47
pop ecx
call fcn.00490e77
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a1e55
cmp eax, 0xfeff
jne 0x4a1dc6
push ebx
push 2
push dword [esi]
call fcn.00496168
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a1ab5
mov byte [ebp - 2], 2
jmp 0x4a1bd2
push ebx
push ebx
push dword [esi]
call fcn.00496168
add esp, 0xc
jmp 0x4a1d6a
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a1df4
dec eax
jne 0x4a1bd2
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a1e02
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.0049d1d6
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a1e28
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a1e02
jmp 0x4a1bd2
push dword [esi]
call fcn.00495d47
pop ecx
call fcn.00490e77
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a1e55
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x50e660]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret