Function at 0x48f10a
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 0x48f139
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x48f143
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048c772
test eax, eax
pop ecx
je 0x48f15e
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00479dab
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047ce1e
test eax, eax
pop ecx
je 0x48f179
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00479dab
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x48f196
test ecx, 0x74000
jne 0x48f192
cmp dword [ebp - 0x24], eax
je 0x48f196
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x48f1f0
dec eax
je 0x48f1da
dec eax
je 0x48f1d5
call fcn.00480c66
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00480c53
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00479ea7
add esp, 0x14
jmp 0x48f7a2
mov dword [ebp - 8], edx
jmp 0x48f1f3
test cl, 8
je 0x48f1e7
test ecx, 0x70000
jne 0x48f1d5
mov dword [ebp - 8], 0x40000000
jmp 0x48f1f3
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x48f234
sub eax, ecx
je 0x48f22b
sub eax, ecx
je 0x48f222
sub eax, ecx
je 0x48f219
sub eax, 0x40
jne 0x48f1af
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x48f237
mov dword [ebp - 0x10], 3
jmp 0x48f237
mov dword [ebp - 0x10], 2
jmp 0x48f237
mov dword [ebp - 0x10], 1
jmp 0x48f237
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 0x48f28a
je 0x48f281
cmp eax, ebx
je 0x48f281
cmp eax, edi
je 0x48f278
cmp eax, 0x200
je 0x48f2fd
cmp eax, 0x300
jne 0x48f1af
mov dword [ebp - 0x14], 2
jmp 0x48f2a7
mov dword [ebp - 0x14], 4
jmp 0x48f2a7
mov dword [ebp - 0x14], 3
jmp 0x48f2a7
cmp eax, 0x500
je 0x48f2a0
cmp eax, 0x600
je 0x48f2fd
cmp eax, edx
jne 0x48f1af
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x48f2cb
mov ecx, dword [0x4da360]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x48f2cb
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48f2e7
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48f2e7
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48f2f0
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48f306
or dword [ebp - 0xc], 0x8000000
jmp 0x48f311
mov dword [ebp - 0x14], 5
jmp 0x48f2a7
test al, 0x10
je 0x48f311
or dword [ebp - 0xc], 0x10000000
call fcn.0047da17
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48f337
call fcn.00480c66
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00480c53
mov dword [eax], 0x18
jmp 0x48f3c5
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 0x48f3d1
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48f39d
test byte [ebp + 0x10], 1
je 0x48f39d
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 0x48f3d1
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4db700]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00480c79
pop ecx
call fcn.00480c53
mov eax, dword [eax]
jmp 0x48f85e
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x48f422
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4db700]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00480c79
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x48f3c5
call fcn.00480c53
mov dword [eax], 0xd
jmp 0x48f3c5
cmp eax, 2
jne 0x48f42d
or byte [ebp - 1], 0x40
jmp 0x48f436
cmp eax, 3
jne 0x48f436
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047d7e6
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4db700]
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 + 0x4db700]
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 0x48f50b
test cl, 0x80
je 0x48f5db
test byte [ebp + 0x10], 2
je 0x48f50b
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00483f05
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x48f4ca
call fcn.00480c66
cmp dword [eax], 0x83
je 0x48f50b
push dword [esi]
call fcn.0048348b
jmp 0x48f3c4
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0048510e
add esp, 0xc
test eax, eax
jne 0x48f4fb
cmp byte [ebp - 4], 0x1a
jne 0x48f4fb
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0047d42b
add esp, 0xc
cmp eax, edi
je 0x48f4be
push ebx
push ebx
push dword [esi]
call fcn.00483f05
add esp, 0xc
cmp eax, edi
je 0x48f4be
test byte [ebp - 1], 0x80
je 0x48f5db
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x48f533
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x48f530
or dword [ebp + 0x10], edi
jmp 0x48f533
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x48f580
cmp eax, 0x10000
je 0x48f56c
cmp eax, 0x14000
je 0x48f56c
cmp eax, 0x20000
je 0x48f57a
cmp eax, 0x24000
je 0x48f57a
cmp eax, 0x40000
je 0x48f566
cmp eax, 0x44000
jne 0x48f583
mov byte [ebp - 2], 1
jmp 0x48f583
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x48f583
mov byte [ebp - 2], 2
jmp 0x48f583
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x48f5db
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x48f5db
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x48f735
cmp eax, 0x80000000
je 0x48f6fc
cmp eax, ecx
jne 0x48f5db
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48f5db
cmp eax, 2
jbe 0x48f7dd
cmp eax, 4
jbe 0x48f6ce
cmp eax, 5
je 0x48f7dd
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
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 + 0x4db700]
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 0x48f64d
test byte [ebp + 0x10], 8
je 0x48f64d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
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 0x48f85c
test byte [ebp + 0x10], 1
je 0x48f85c
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 0x48f845
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00480c79
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047d863
pop ecx
jmp 0x48f3c4
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048c7a6
add esp, 0x10
or eax, edx
je 0x48f7dd
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048c7a6
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48f4be
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0048510e
add esp, 0xc
cmp eax, 0xffffffff
je 0x48f4be
cmp eax, 2
je 0x48f781
cmp eax, 3
jne 0x48f7cf
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x48f781
mov byte [ebp - 2], 1
jmp 0x48f5db
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48f5db
cmp eax, 2
jbe 0x48f7dd
cmp eax, 4
ja 0x48f5d2
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048c7a6
add esp, 0x10
or eax, edx
je 0x48f7dd
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048c7a6
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x48f5db
jmp 0x48f4be
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x48f7a9
push dword [esi]
call fcn.0048348b
pop ecx
call fcn.00480c53
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x48f85e
cmp eax, 0xfeff
jne 0x48f7cf
push ebx
push 2
push dword [esi]
call fcn.00483f05
add esp, 0xc
cmp eax, 0xffffffff
je 0x48f4be
mov byte [ebp - 2], 2
jmp 0x48f5db
push ebx
push ebx
push dword [esi]
call fcn.00483f05
add esp, 0xc
jmp 0x48f773
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x48f7fd
dec eax
jne 0x48f5db
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48f80b
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.0048c5da
add esp, 0xc
cmp eax, 0xffffffff
je 0x48f831
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48f80b
jmp 0x48f5db
push dword [esi]
call fcn.0048348b
pop ecx
call fcn.00480c53
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x48f85e
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret