Function at 0x48a37f
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 0x48a3ae
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x48a3b8
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048bec9
test eax, eax
pop ecx
je 0x48a3d3
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0046eb82
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047bab2
test eax, eax
pop ecx
je 0x48a3ee
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0046eb82
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x48a40b
test ecx, 0x74000
jne 0x48a407
cmp dword [ebp - 0x24], eax
je 0x48a40b
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x48a465
dec eax
je 0x48a44f
dec eax
je 0x48a44a
call fcn.00470e31
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00470e1e
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0046ec7e
add esp, 0x14
jmp 0x48aa17
mov dword [ebp - 8], edx
jmp 0x48a468
test cl, 8
je 0x48a45c
test ecx, 0x70000
jne 0x48a44a
mov dword [ebp - 8], 0x40000000
jmp 0x48a468
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x48a4a9
sub eax, ecx
je 0x48a4a0
sub eax, ecx
je 0x48a497
sub eax, ecx
je 0x48a48e
sub eax, 0x40
jne 0x48a424
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x48a4ac
mov dword [ebp - 0x10], 3
jmp 0x48a4ac
mov dword [ebp - 0x10], 2
jmp 0x48a4ac
mov dword [ebp - 0x10], 1
jmp 0x48a4ac
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 0x48a4ff
je 0x48a4f6
cmp eax, ebx
je 0x48a4f6
cmp eax, edi
je 0x48a4ed
cmp eax, 0x200
je 0x48a572
cmp eax, 0x300
jne 0x48a424
mov dword [ebp - 0x14], 2
jmp 0x48a51c
mov dword [ebp - 0x14], 4
jmp 0x48a51c
mov dword [ebp - 0x14], 3
jmp 0x48a51c
cmp eax, 0x500
je 0x48a515
cmp eax, 0x600
je 0x48a572
cmp eax, edx
jne 0x48a424
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x48a540
mov ecx, dword [0x4cd850]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x48a540
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48a55c
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48a55c
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48a565
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48a57b
or dword [ebp - 0xc], 0x8000000
jmp 0x48a586
mov dword [ebp - 0x14], 5
jmp 0x48a51c
test al, 0x10
je 0x48a586
or dword [ebp - 0xc], 0x10000000
call fcn.0048af73
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48a5ac
call fcn.00470e31
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00470e1e
mov dword [eax], 0x18
jmp 0x48a63a
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 0x48a646
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48a612
test byte [ebp + 0x10], 1
je 0x48a612
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 0x48a646
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4ceec0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.00470e44
pop ecx
call fcn.00470e1e
mov eax, dword [eax]
jmp 0x48aad3
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_GetFileType]
cmp eax, ebx
jne 0x48a697
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4ceec0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
mov esi, eax
push esi
call fcn.00470e44
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
cmp esi, ebx
jne 0x48a63a
call fcn.00470e1e
mov dword [eax], 0xd
jmp 0x48a63a
cmp eax, 2
jne 0x48a6a2
or byte [ebp - 1], 0x40
jmp 0x48a6ab
cmp eax, 3
jne 0x48a6ab
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0048ad42
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4ceec0]
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 + 0x4ceec0]
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 0x48a780
test cl, 0x80
je 0x48a850
test byte [ebp + 0x10], 2
je 0x48a780
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0048355e
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x48a73f
call fcn.00470e31
cmp dword [eax], 0x83
je 0x48a780
push dword [esi]
call fcn.00482a19
jmp 0x48a639
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00482ea0
add esp, 0xc
test eax, eax
jne 0x48a770
cmp byte [ebp - 4], 0x1a
jne 0x48a770
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048bc59
add esp, 0xc
cmp eax, edi
je 0x48a733
push ebx
push ebx
push dword [esi]
call fcn.0048355e
add esp, 0xc
cmp eax, edi
je 0x48a733
test byte [ebp - 1], 0x80
je 0x48a850
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x48a7a8
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x48a7a5
or dword [ebp + 0x10], edi
jmp 0x48a7a8
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x48a7f5
cmp eax, 0x10000
je 0x48a7e1
cmp eax, 0x14000
je 0x48a7e1
cmp eax, 0x20000
je 0x48a7ef
cmp eax, 0x24000
je 0x48a7ef
cmp eax, 0x40000
je 0x48a7db
cmp eax, 0x44000
jne 0x48a7f8
mov byte [ebp - 2], 1
jmp 0x48a7f8
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x48a7f8
mov byte [ebp - 2], 2
jmp 0x48a7f8
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x48a850
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x48a850
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x48a9aa
cmp eax, 0x80000000
je 0x48a971
cmp eax, ecx
jne 0x48a850
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48a850
cmp eax, 2
jbe 0x48aa52
cmp eax, 4
jbe 0x48a943
cmp eax, 5
je 0x48aa52
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ceec0]
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 + 0x4ceec0]
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 0x48a8c2
test byte [ebp + 0x10], 8
je 0x48a8c2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ceec0]
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 0x48aad1
test byte [ebp + 0x10], 1
je 0x48aad1
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 0x48aaba
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.00470e44
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ceec0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048adbf
pop ecx
jmp 0x48a639
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048736a
add esp, 0x10
or eax, edx
je 0x48aa52
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048736a
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48a733
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00482ea0
add esp, 0xc
cmp eax, 0xffffffff
je 0x48a733
cmp eax, 2
je 0x48a9f6
cmp eax, 3
jne 0x48aa44
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x48a9f6
mov byte [ebp - 2], 1
jmp 0x48a850
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48a850
cmp eax, 2
jbe 0x48aa52
cmp eax, 4
ja 0x48a847
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048736a
add esp, 0x10
or eax, edx
je 0x48aa52
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048736a
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x48a850
jmp 0x48a733
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x48aa1e
push dword [esi]
call fcn.00482a19
pop ecx
call fcn.00470e1e
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x48aad3
cmp eax, 0xfeff
jne 0x48aa44
push ebx
push 2
push dword [esi]
call fcn.0048355e
add esp, 0xc
cmp eax, 0xffffffff
je 0x48a733
mov byte [ebp - 2], 2
jmp 0x48a850
push ebx
push ebx
push dword [esi]
call fcn.0048355e
add esp, 0xc
jmp 0x48a9e8
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x48aa72
dec eax
jne 0x48a850
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48aa80
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.00483c72
add esp, 0xc
cmp eax, 0xffffffff
je 0x48aaa6
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48aa80
jmp 0x48a850
push dword [esi]
call fcn.00482a19
pop ecx
call fcn.00470e1e
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x48aad3
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ceec0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret