Function at 0x1003159f
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 0x100315ce
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x100315d8
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.10034191
test eax, eax
pop ecx
je 0x100315f3
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.1001b39f
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.100229cf
test eax, eax
pop ecx
je 0x1003160e
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.1001b39f
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x1003162b
test ecx, 0x74000
jne 0x10031627
cmp dword [ebp - 0x24], eax
je 0x1003162b
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x10031685
dec eax
je 0x1003166f
dec eax
je 0x1003166a
call fcn.10020df2
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.10020ddf
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.1001b49b
add esp, 0x14
jmp 0x10031c38
mov dword [ebp - 8], edx
jmp 0x10031688
test cl, 8
je 0x1003167c
test ecx, 0x70000
jne 0x1003166a
mov dword [ebp - 8], 0x40000000
jmp 0x10031688
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x100316c9
sub eax, ecx
je 0x100316c0
sub eax, ecx
je 0x100316b7
sub eax, ecx
je 0x100316ae
sub eax, 0x40
jne 0x10031644
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x100316cc
mov dword [ebp - 0x10], 3
jmp 0x100316cc
mov dword [ebp - 0x10], 2
jmp 0x100316cc
mov dword [ebp - 0x10], 1
jmp 0x100316cc
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 0x1003171f
je 0x10031716
cmp eax, ebx
je 0x10031716
cmp eax, edi
je 0x1003170d
cmp eax, 0x200
je 0x10031792
cmp eax, 0x300
jne 0x10031644
mov dword [ebp - 0x14], 2
jmp 0x1003173c
mov dword [ebp - 0x14], 4
jmp 0x1003173c
mov dword [ebp - 0x14], 3
jmp 0x1003173c
cmp eax, 0x500
je 0x10031735
cmp eax, 0x600
je 0x10031792
cmp eax, edx
jne 0x10031644
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x10031760
mov ecx, dword [0x10047178]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x10031760
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x1003177c
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x1003177c
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x10031785
or dword [ebp - 0xc], edi
test al, 0x20
je 0x1003179b
or dword [ebp - 0xc], 0x8000000
jmp 0x100317a6
mov dword [ebp - 0x14], 5
jmp 0x1003173c
test al, 0x10
je 0x100317a6
or dword [ebp - 0xc], 0x10000000
call fcn.10030152
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x100317cc
call fcn.10020df2
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.10020ddf
mov dword [eax], 0x18
jmp 0x1003185a
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 0x10031866
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x10031832
test byte [ebp + 0x10], 1
je 0x10031832
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 0x10031866
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x10048c60]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10020e05
pop ecx
call fcn.10020ddf
mov eax, dword [eax]
jmp 0x10031cf4
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x100318b7
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x10048c60]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.10020e05
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x1003185a
call fcn.10020ddf
mov dword [eax], 0xd
jmp 0x1003185a
cmp eax, 2
jne 0x100318c2
or byte [ebp - 1], 0x40
jmp 0x100318cb
cmp eax, 3
jne 0x100318cb
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.1002ff21
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x10048c60]
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 + 0x10048c60]
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 0x100319a1
test cl, 0x80
je 0x10031a71
test byte [ebp + 0x10], 2
je 0x100319a1
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.1002a94f
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x1003195f
call fcn.10020df2
cmp dword [eax], 0x83
je 0x100319a1
push dword [esi]
call fcn.1002ad1d
jmp 0x10031859
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.1002f680
add esp, 0xc
test eax, eax
jne 0x10031991
cmp word [ebp - 0x2c], 0x1a
jne 0x10031991
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.10033f21
add esp, 0xc
cmp eax, edi
je 0x10031953
push ebx
push ebx
push dword [esi]
call fcn.1002a94f
add esp, 0xc
cmp eax, edi
je 0x10031953
test byte [ebp - 1], 0x80
je 0x10031a71
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x100319c9
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x100319c6
or dword [ebp + 0x10], edi
jmp 0x100319c9
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x10031a16
cmp eax, 0x10000
je 0x10031a02
cmp eax, 0x14000
je 0x10031a02
cmp eax, 0x20000
je 0x10031a10
cmp eax, 0x24000
je 0x10031a10
cmp eax, 0x40000
je 0x100319fc
cmp eax, 0x44000
jne 0x10031a19
mov byte [ebp - 2], 1
jmp 0x10031a19
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x10031a19
mov byte [ebp - 2], 2
jmp 0x10031a19
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x10031a71
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x10031a71
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x10031bcb
cmp eax, 0x80000000
je 0x10031b92
cmp eax, ecx
jne 0x10031a71
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x10031a71
cmp eax, 2
jbe 0x10031c73
cmp eax, 4
jbe 0x10031b64
cmp eax, 5
je 0x10031c73
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10048c60]
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 + 0x10048c60]
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 0x10031ae3
test byte [ebp + 0x10], 8
je 0x10031ae3
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10048c60]
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 0x10031cf2
test byte [ebp + 0x10], 1
je 0x10031cf2
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 0x10031cdb
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10020e05
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10048c60]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.1002ff9e
pop ecx
jmp 0x10031859
push 2
push ebx
push ebx
push dword [esi]
call fcn.1002ed2b
add esp, 0x10
or eax, edx
je 0x10031c73
push ebx
push ebx
push ebx
push dword [esi]
call fcn.1002ed2b
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x10031953
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.1002f680
add esp, 0xc
cmp eax, 0xffffffff
je 0x10031953
cmp eax, 2
je 0x10031c17
cmp eax, 3
jne 0x10031c65
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x10031c17
mov byte [ebp - 2], 1
jmp 0x10031a71
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x10031a71
cmp eax, 2
jbe 0x10031c73
cmp eax, 4
ja 0x10031a68
push 2
push ebx
push ebx
push dword [esi]
call fcn.1002ed2b
add esp, 0x10
or eax, edx
je 0x10031c73
push ebx
push ebx
push ebx
push dword [esi]
call fcn.1002ed2b
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x10031a71
jmp 0x10031953
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x10031c3f
push dword [esi]
call fcn.1002ad1d
pop ecx
call fcn.10020ddf
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x10031cf4
cmp eax, 0xfeff
jne 0x10031c65
push ebx
push 2
push dword [esi]
call fcn.1002a94f
add esp, 0xc
cmp eax, 0xffffffff
je 0x10031953
mov byte [ebp - 2], 2
jmp 0x10031a71
push ebx
push ebx
push dword [esi]
call fcn.1002a94f
add esp, 0xc
jmp 0x10031c09
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x10031c93
dec eax
jne 0x10031a71
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x10031ca1
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.1002a440
add esp, 0xc
cmp eax, 0xffffffff
je 0x10031cc7
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x10031ca1
jmp 0x10031a71
push dword [esi]
call fcn.1002ad1d
pop ecx
call fcn.10020ddf
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x10031cf4
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10048c60]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret