Function at 0x48d539
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 0x48d568
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x48d572
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048ad3f
test eax, eax
pop ecx
je 0x48d58d
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047709e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047b3e1
test eax, eax
pop ecx
je 0x48d5a8
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047709e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x48d5c5
test ecx, 0x74000
jne 0x48d5c1
cmp dword [ebp - 0x24], eax
je 0x48d5c5
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x48d61f
dec eax
je 0x48d609
dec eax
je 0x48d604
call fcn.0047f487
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0047f474
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0047719a
add esp, 0x14
jmp 0x48dbd1
mov dword [ebp - 8], edx
jmp 0x48d622
test cl, 8
je 0x48d616
test ecx, 0x70000
jne 0x48d604
mov dword [ebp - 8], 0x40000000
jmp 0x48d622
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x48d663
sub eax, ecx
je 0x48d65a
sub eax, ecx
je 0x48d651
sub eax, ecx
je 0x48d648
sub eax, 0x40
jne 0x48d5de
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x48d666
mov dword [ebp - 0x10], 3
jmp 0x48d666
mov dword [ebp - 0x10], 2
jmp 0x48d666
mov dword [ebp - 0x10], 1
jmp 0x48d666
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 0x48d6b9
je 0x48d6b0
cmp eax, ebx
je 0x48d6b0
cmp eax, edi
je 0x48d6a7
cmp eax, 0x200
je 0x48d72c
cmp eax, 0x300
jne 0x48d5de
mov dword [ebp - 0x14], 2
jmp 0x48d6d6
mov dword [ebp - 0x14], 4
jmp 0x48d6d6
mov dword [ebp - 0x14], 3
jmp 0x48d6d6
cmp eax, 0x500
je 0x48d6cf
cmp eax, 0x600
je 0x48d72c
cmp eax, edx
jne 0x48d5de
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x48d6fa
mov ecx, dword [0x4d9344]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x48d6fa
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48d716
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48d716
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48d71f
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48d735
or dword [ebp - 0xc], 0x8000000
jmp 0x48d740
mov dword [ebp - 0x14], 5
jmp 0x48d6d6
test al, 0x10
je 0x48d740
or dword [ebp - 0xc], 0x10000000
call fcn.0047c08d
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48d766
call fcn.0047f487
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0047f474
mov dword [eax], 0x18
jmp 0x48d7f4
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 0x48d800
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48d7cc
test byte [ebp + 0x10], 1
je 0x48d7cc
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 0x48d800
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4da660]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047f49a
pop ecx
call fcn.0047f474
mov eax, dword [eax]
jmp 0x48dc8d
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x48d851
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4da660]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0047f49a
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x48d7f4
call fcn.0047f474
mov dword [eax], 0xd
jmp 0x48d7f4
cmp eax, 2
jne 0x48d85c
or byte [ebp - 1], 0x40
jmp 0x48d865
cmp eax, 3
jne 0x48d865
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047be5c
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4da660]
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 + 0x4da660]
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 0x48d93a
test cl, 0x80
je 0x48da0a
test byte [ebp + 0x10], 2
je 0x48d93a
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00482330
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x48d8f9
call fcn.0047f487
cmp dword [eax], 0x83
je 0x48d93a
push dword [esi]
call fcn.00481f0f
jmp 0x48d7f3
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00483539
add esp, 0xc
test eax, eax
jne 0x48d92a
cmp byte [ebp - 4], 0x1a
jne 0x48d92a
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0047b707
add esp, 0xc
cmp eax, edi
je 0x48d8ed
push ebx
push ebx
push dword [esi]
call fcn.00482330
add esp, 0xc
cmp eax, edi
je 0x48d8ed
test byte [ebp - 1], 0x80
je 0x48da0a
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x48d962
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x48d95f
or dword [ebp + 0x10], edi
jmp 0x48d962
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x48d9af
cmp eax, 0x10000
je 0x48d99b
cmp eax, 0x14000
je 0x48d99b
cmp eax, 0x20000
je 0x48d9a9
cmp eax, 0x24000
je 0x48d9a9
cmp eax, 0x40000
je 0x48d995
cmp eax, 0x44000
jne 0x48d9b2
mov byte [ebp - 2], 1
jmp 0x48d9b2
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x48d9b2
mov byte [ebp - 2], 2
jmp 0x48d9b2
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x48da0a
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x48da0a
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x48db64
cmp eax, 0x80000000
je 0x48db2b
cmp eax, ecx
jne 0x48da0a
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48da0a
cmp eax, 2
jbe 0x48dc0c
cmp eax, 4
jbe 0x48dafd
cmp eax, 5
je 0x48dc0c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4da660]
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 + 0x4da660]
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 0x48da7c
test byte [ebp + 0x10], 8
je 0x48da7c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4da660]
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 0x48dc8b
test byte [ebp + 0x10], 1
je 0x48dc8b
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 0x48dc74
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047f49a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4da660]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047bed9
pop ecx
jmp 0x48d7f3
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048ad73
add esp, 0x10
or eax, edx
je 0x48dc0c
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048ad73
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48d8ed
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00483539
add esp, 0xc
cmp eax, 0xffffffff
je 0x48d8ed
cmp eax, 2
je 0x48dbb0
cmp eax, 3
jne 0x48dbfe
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x48dbb0
mov byte [ebp - 2], 1
jmp 0x48da0a
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48da0a
cmp eax, 2
jbe 0x48dc0c
cmp eax, 4
ja 0x48da01
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048ad73
add esp, 0x10
or eax, edx
je 0x48dc0c
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048ad73
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x48da0a
jmp 0x48d8ed
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x48dbd8
push dword [esi]
call fcn.00481f0f
pop ecx
call fcn.0047f474
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x48dc8d
cmp eax, 0xfeff
jne 0x48dbfe
push ebx
push 2
push dword [esi]
call fcn.00482330
add esp, 0xc
cmp eax, 0xffffffff
je 0x48d8ed
mov byte [ebp - 2], 2
jmp 0x48da0a
push ebx
push ebx
push dword [esi]
call fcn.00482330
add esp, 0xc
jmp 0x48dba2
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x48dc2c
dec eax
jne 0x48da0a
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48dc3a
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.0048aba7
add esp, 0xc
cmp eax, 0xffffffff
je 0x48dc60
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48dc3a
jmp 0x48da0a
push dword [esi]
call fcn.00481f0f
pop ecx
call fcn.0047f474
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x48dc8d
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4da660]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret