Function at 0x48df0a
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 0x48df39
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x48df43
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048b572
test eax, eax
pop ecx
je 0x48df5e
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00478bab
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047bc6e
test eax, eax
pop ecx
je 0x48df79
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00478bab
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x48df96
test ecx, 0x74000
jne 0x48df92
cmp dword [ebp - 0x24], eax
je 0x48df96
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x48dff0
dec eax
je 0x48dfda
dec eax
je 0x48dfd5
call fcn.0047fa66
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0047fa53
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00478ca7
add esp, 0x14
jmp 0x48e5a2
mov dword [ebp - 8], edx
jmp 0x48dff3
test cl, 8
je 0x48dfe7
test ecx, 0x70000
jne 0x48dfd5
mov dword [ebp - 8], 0x40000000
jmp 0x48dff3
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x48e034
sub eax, ecx
je 0x48e02b
sub eax, ecx
je 0x48e022
sub eax, ecx
je 0x48e019
sub eax, 0x40
jne 0x48dfaf
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x48e037
mov dword [ebp - 0x10], 3
jmp 0x48e037
mov dword [ebp - 0x10], 2
jmp 0x48e037
mov dword [ebp - 0x10], 1
jmp 0x48e037
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 0x48e08a
je 0x48e081
cmp eax, ebx
je 0x48e081
cmp eax, edi
je 0x48e078
cmp eax, 0x200
je 0x48e0fd
cmp eax, 0x300
jne 0x48dfaf
mov dword [ebp - 0x14], 2
jmp 0x48e0a7
mov dword [ebp - 0x14], 4
jmp 0x48e0a7
mov dword [ebp - 0x14], 3
jmp 0x48e0a7
cmp eax, 0x500
je 0x48e0a0
cmp eax, 0x600
je 0x48e0fd
cmp eax, edx
jne 0x48dfaf
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x48e0cb
mov ecx, dword [0x4d9360]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x48e0cb
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48e0e7
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48e0e7
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48e0f0
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48e106
or dword [ebp - 0xc], 0x8000000
jmp 0x48e111
mov dword [ebp - 0x14], 5
jmp 0x48e0a7
test al, 0x10
je 0x48e111
or dword [ebp - 0xc], 0x10000000
call fcn.0047c867
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48e137
call fcn.0047fa66
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0047fa53
mov dword [eax], 0x18
jmp 0x48e1c5
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 0x48e1d1
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48e19d
test byte [ebp + 0x10], 1
je 0x48e19d
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 0x48e1d1
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4da6e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047fa79
pop ecx
call fcn.0047fa53
mov eax, dword [eax]
jmp 0x48e65e
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x48e222
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4da6e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0047fa79
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x48e1c5
call fcn.0047fa53
mov dword [eax], 0xd
jmp 0x48e1c5
cmp eax, 2
jne 0x48e22d
or byte [ebp - 1], 0x40
jmp 0x48e236
cmp eax, 3
jne 0x48e236
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047c636
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4da6e0]
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 + 0x4da6e0]
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 0x48e30b
test cl, 0x80
je 0x48e3db
test byte [ebp + 0x10], 2
je 0x48e30b
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00482cb9
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x48e2ca
call fcn.0047fa66
cmp dword [eax], 0x83
je 0x48e30b
push dword [esi]
call fcn.0048223f
jmp 0x48e1c4
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00483ec2
add esp, 0xc
test eax, eax
jne 0x48e2fb
cmp byte [ebp - 4], 0x1a
jne 0x48e2fb
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0047c2a8
add esp, 0xc
cmp eax, edi
je 0x48e2be
push ebx
push ebx
push dword [esi]
call fcn.00482cb9
add esp, 0xc
cmp eax, edi
je 0x48e2be
test byte [ebp - 1], 0x80
je 0x48e3db
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x48e333
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x48e330
or dword [ebp + 0x10], edi
jmp 0x48e333
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x48e380
cmp eax, 0x10000
je 0x48e36c
cmp eax, 0x14000
je 0x48e36c
cmp eax, 0x20000
je 0x48e37a
cmp eax, 0x24000
je 0x48e37a
cmp eax, 0x40000
je 0x48e366
cmp eax, 0x44000
jne 0x48e383
mov byte [ebp - 2], 1
jmp 0x48e383
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x48e383
mov byte [ebp - 2], 2
jmp 0x48e383
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x48e3db
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x48e3db
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x48e535
cmp eax, 0x80000000
je 0x48e4fc
cmp eax, ecx
jne 0x48e3db
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48e3db
cmp eax, 2
jbe 0x48e5dd
cmp eax, 4
jbe 0x48e4ce
cmp eax, 5
je 0x48e5dd
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4da6e0]
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 + 0x4da6e0]
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 0x48e44d
test byte [ebp + 0x10], 8
je 0x48e44d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4da6e0]
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 0x48e65c
test byte [ebp + 0x10], 1
je 0x48e65c
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 0x48e645
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047fa79
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4da6e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047c6b3
pop ecx
jmp 0x48e1c4
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048b5a6
add esp, 0x10
or eax, edx
je 0x48e5dd
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048b5a6
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48e2be
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00483ec2
add esp, 0xc
cmp eax, 0xffffffff
je 0x48e2be
cmp eax, 2
je 0x48e581
cmp eax, 3
jne 0x48e5cf
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x48e581
mov byte [ebp - 2], 1
jmp 0x48e3db
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48e3db
cmp eax, 2
jbe 0x48e5dd
cmp eax, 4
ja 0x48e3d2
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048b5a6
add esp, 0x10
or eax, edx
je 0x48e5dd
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048b5a6
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x48e3db
jmp 0x48e2be
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x48e5a9
push dword [esi]
call fcn.0048223f
pop ecx
call fcn.0047fa53
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x48e65e
cmp eax, 0xfeff
jne 0x48e5cf
push ebx
push 2
push dword [esi]
call fcn.00482cb9
add esp, 0xc
cmp eax, 0xffffffff
je 0x48e2be
mov byte [ebp - 2], 2
jmp 0x48e3db
push ebx
push ebx
push dword [esi]
call fcn.00482cb9
add esp, 0xc
jmp 0x48e573
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x48e5fd
dec eax
jne 0x48e3db
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48e60b
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.0048b3da
add esp, 0xc
cmp eax, 0xffffffff
je 0x48e631
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48e60b
jmp 0x48e3db
push dword [esi]
call fcn.0048223f
pop ecx
call fcn.0047fa53
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x48e65e
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4da6e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret