Function at 0x48f3e6
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 0x48f415
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x48f41f
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048bfe2
test eax, eax
pop ecx
je 0x48f43a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047861f
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047c856
test eax, eax
pop ecx
je 0x48f455
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047861f
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x48f472
test ecx, 0x74000
jne 0x48f46e
cmp dword [ebp - 0x24], eax
je 0x48f472
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x48f4cc
dec eax
je 0x48f4b6
dec eax
je 0x48f4b1
call fcn.0048117a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00481167
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0047871b
add esp, 0x14
jmp 0x48fa7e
mov dword [ebp - 8], edx
jmp 0x48f4cf
test cl, 8
je 0x48f4c3
test ecx, 0x70000
jne 0x48f4b1
mov dword [ebp - 8], 0x40000000
jmp 0x48f4cf
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x48f510
sub eax, ecx
je 0x48f507
sub eax, ecx
je 0x48f4fe
sub eax, ecx
je 0x48f4f5
sub eax, 0x40
jne 0x48f48b
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x48f513
mov dword [ebp - 0x10], 3
jmp 0x48f513
mov dword [ebp - 0x10], 2
jmp 0x48f513
mov dword [ebp - 0x10], 1
jmp 0x48f513
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 0x48f566
je 0x48f55d
cmp eax, ebx
je 0x48f55d
cmp eax, edi
je 0x48f554
cmp eax, 0x200
je 0x48f5d9
cmp eax, 0x300
jne 0x48f48b
mov dword [ebp - 0x14], 2
jmp 0x48f583
mov dword [ebp - 0x14], 4
jmp 0x48f583
mov dword [ebp - 0x14], 3
jmp 0x48f583
cmp eax, 0x500
je 0x48f57c
cmp eax, 0x600
je 0x48f5d9
cmp eax, edx
jne 0x48f48b
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x48f5a7
mov ecx, dword [0x4da578]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x48f5a7
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48f5c3
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48f5c3
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48f5cc
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48f5e2
or dword [ebp - 0xc], 0x8000000
jmp 0x48f5ed
mov dword [ebp - 0x14], 5
jmp 0x48f583
test al, 0x10
je 0x48f5ed
or dword [ebp - 0xc], 0x10000000
call fcn.0047d44f
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48f613
call fcn.0048117a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00481167
mov dword [eax], 0x18
jmp 0x48f6a1
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 0x48f6ad
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48f679
test byte [ebp + 0x10], 1
je 0x48f679
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 0x48f6ad
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4db9e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0048118d
pop ecx
call fcn.00481167
mov eax, dword [eax]
jmp 0x48fb3a
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x48f6fe
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4db9e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0048118d
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x48f6a1
call fcn.00481167
mov dword [eax], 0xd
jmp 0x48f6a1
cmp eax, 2
jne 0x48f709
or byte [ebp - 1], 0x40
jmp 0x48f712
cmp eax, 3
jne 0x48f712
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047d21e
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4db9e0]
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 + 0x4db9e0]
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 0x48f7e7
test cl, 0x80
je 0x48f8b7
test byte [ebp + 0x10], 2
je 0x48f7e7
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00483786
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x48f7a6
call fcn.0048117a
cmp dword [eax], 0x83
je 0x48f7e7
push dword [esi]
call fcn.00483ed4
jmp 0x48f6a0
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00482ae6
add esp, 0xc
test eax, eax
jne 0x48f7d7
cmp byte [ebp - 4], 0x1a
jne 0x48f7d7
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0047ce90
add esp, 0xc
cmp eax, edi
je 0x48f79a
push ebx
push ebx
push dword [esi]
call fcn.00483786
add esp, 0xc
cmp eax, edi
je 0x48f79a
test byte [ebp - 1], 0x80
je 0x48f8b7
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x48f80f
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x48f80c
or dword [ebp + 0x10], edi
jmp 0x48f80f
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x48f85c
cmp eax, 0x10000
je 0x48f848
cmp eax, 0x14000
je 0x48f848
cmp eax, 0x20000
je 0x48f856
cmp eax, 0x24000
je 0x48f856
cmp eax, 0x40000
je 0x48f842
cmp eax, 0x44000
jne 0x48f85f
mov byte [ebp - 2], 1
jmp 0x48f85f
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x48f85f
mov byte [ebp - 2], 2
jmp 0x48f85f
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x48f8b7
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x48f8b7
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x48fa11
cmp eax, 0x80000000
je 0x48f9d8
cmp eax, ecx
jne 0x48f8b7
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48f8b7
cmp eax, 2
jbe 0x48fab9
cmp eax, 4
jbe 0x48f9aa
cmp eax, 5
je 0x48fab9
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db9e0]
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 + 0x4db9e0]
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 0x48f929
test byte [ebp + 0x10], 8
je 0x48f929
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db9e0]
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 0x48fb38
test byte [ebp + 0x10], 1
je 0x48fb38
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 0x48fb21
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0048118d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db9e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047d29b
pop ecx
jmp 0x48f6a0
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048c016
add esp, 0x10
or eax, edx
je 0x48fab9
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048c016
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48f79a
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00482ae6
add esp, 0xc
cmp eax, 0xffffffff
je 0x48f79a
cmp eax, 2
je 0x48fa5d
cmp eax, 3
jne 0x48faab
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x48fa5d
mov byte [ebp - 2], 1
jmp 0x48f8b7
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48f8b7
cmp eax, 2
jbe 0x48fab9
cmp eax, 4
ja 0x48f8ae
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048c016
add esp, 0x10
or eax, edx
je 0x48fab9
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048c016
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x48f8b7
jmp 0x48f79a
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x48fa85
push dword [esi]
call fcn.00483ed4
pop ecx
call fcn.00481167
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x48fb3a
cmp eax, 0xfeff
jne 0x48faab
push ebx
push 2
push dword [esi]
call fcn.00483786
add esp, 0xc
cmp eax, 0xffffffff
je 0x48f79a
mov byte [ebp - 2], 2
jmp 0x48f8b7
push ebx
push ebx
push dword [esi]
call fcn.00483786
add esp, 0xc
jmp 0x48fa4f
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x48fad9
dec eax
jne 0x48f8b7
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48fae7
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.0048be06
add esp, 0xc
cmp eax, 0xffffffff
je 0x48fb0d
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48fae7
jmp 0x48f8b7
push dword [esi]
call fcn.00483ed4
pop ecx
call fcn.00481167
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x48fb3a
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db9e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret