Function at 0x4846eb
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 0x48471a
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x484724
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048519e
test eax, eax
pop ecx
je 0x48473f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00475762
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00470ecc
test eax, eax
pop ecx
je 0x48475a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00475762
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x484777
test ecx, 0x74000
jne 0x484773
cmp dword [ebp - 0x24], eax
je 0x484777
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4847d1
dec eax
je 0x4847bb
dec eax
je 0x4847b6
call fcn.00473429
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00473416
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0047585e
add esp, 0x14
jmp 0x484d83
mov dword [ebp - 8], edx
jmp 0x4847d4
test cl, 8
je 0x4847c8
test ecx, 0x70000
jne 0x4847b6
mov dword [ebp - 8], 0x40000000
jmp 0x4847d4
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x484815
sub eax, ecx
je 0x48480c
sub eax, ecx
je 0x484803
sub eax, ecx
je 0x4847fa
sub eax, 0x40
jne 0x484790
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x484818
mov dword [ebp - 0x10], 3
jmp 0x484818
mov dword [ebp - 0x10], 2
jmp 0x484818
mov dword [ebp - 0x10], 1
jmp 0x484818
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 0x48486b
je 0x484862
cmp eax, ebx
je 0x484862
cmp eax, edi
je 0x484859
cmp eax, 0x200
je 0x4848de
cmp eax, 0x300
jne 0x484790
mov dword [ebp - 0x14], 2
jmp 0x484888
mov dword [ebp - 0x14], 4
jmp 0x484888
mov dword [ebp - 0x14], 3
jmp 0x484888
cmp eax, 0x500
je 0x484881
cmp eax, 0x600
je 0x4848de
cmp eax, edx
jne 0x484790
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4848ac
mov ecx, dword [0x4caeb0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4848ac
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4848c8
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4848c8
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4848d1
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4848e7
or dword [ebp - 0xc], 0x8000000
jmp 0x4848f2
mov dword [ebp - 0x14], 5
jmp 0x484888
test al, 0x10
je 0x4848f2
or dword [ebp - 0xc], 0x10000000
call fcn.0047fa0a
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x484918
call fcn.00473429
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00473416
mov dword [eax], 0x18
jmp 0x4849a6
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 0x4849b2
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48497e
test byte [ebp + 0x10], 1
je 0x48497e
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 0x4849b2
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x50d0e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047343c
pop ecx
call fcn.00473416
mov eax, dword [eax]
jmp 0x484e3f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x484a03
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x50d0e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0047343c
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4849a6
call fcn.00473416
mov dword [eax], 0xd
jmp 0x4849a6
cmp eax, 2
jne 0x484a0e
or byte [ebp - 1], 0x40
jmp 0x484a17
cmp eax, 3
jne 0x484a17
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047f7d9
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x50d0e0]
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 + 0x50d0e0]
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 0x484aec
test cl, 0x80
je 0x484bbc
test byte [ebp + 0x10], 2
je 0x484aec
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004841cd
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x484aab
call fcn.00473429
cmp dword [eax], 0x83
je 0x484aec
push dword [esi]
call fcn.00481aa6
jmp 0x4849a5
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00481c33
add esp, 0xc
test eax, eax
jne 0x484adc
cmp byte [ebp - 4], 0x1a
jne 0x484adc
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00484f2e
add esp, 0xc
cmp eax, edi
je 0x484a9f
push ebx
push ebx
push dword [esi]
call fcn.004841cd
add esp, 0xc
cmp eax, edi
je 0x484a9f
test byte [ebp - 1], 0x80
je 0x484bbc
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x484b14
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x484b11
or dword [ebp + 0x10], edi
jmp 0x484b14
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x484b61
cmp eax, 0x10000
je 0x484b4d
cmp eax, 0x14000
je 0x484b4d
cmp eax, 0x20000
je 0x484b5b
cmp eax, 0x24000
je 0x484b5b
cmp eax, 0x40000
je 0x484b47
cmp eax, 0x44000
jne 0x484b64
mov byte [ebp - 2], 1
jmp 0x484b64
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x484b64
mov byte [ebp - 2], 2
jmp 0x484b64
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x484bbc
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x484bbc
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x484d16
cmp eax, 0x80000000
je 0x484cdd
cmp eax, ecx
jne 0x484bbc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x484bbc
cmp eax, 2
jbe 0x484dbe
cmp eax, 4
jbe 0x484caf
cmp eax, 5
je 0x484dbe
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x50d0e0]
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 + 0x50d0e0]
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 0x484c2e
test byte [ebp + 0x10], 8
je 0x484c2e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x50d0e0]
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 0x484e3d
test byte [ebp + 0x10], 1
je 0x484e3d
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 0x484e26
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047343c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x50d0e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047f856
pop ecx
jmp 0x4849a5
push 2
push ebx
push ebx
push dword [esi]
call fcn.0047df11
add esp, 0x10
or eax, edx
je 0x484dbe
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0047df11
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x484a9f
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00481c33
add esp, 0xc
cmp eax, 0xffffffff
je 0x484a9f
cmp eax, 2
je 0x484d62
cmp eax, 3
jne 0x484db0
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x484d62
mov byte [ebp - 2], 1
jmp 0x484bbc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x484bbc
cmp eax, 2
jbe 0x484dbe
cmp eax, 4
ja 0x484bb3
push 2
push ebx
push ebx
push dword [esi]
call fcn.0047df11
add esp, 0x10
or eax, edx
je 0x484dbe
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0047df11
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x484bbc
jmp 0x484a9f
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x484d8a
push dword [esi]
call fcn.00481aa6
pop ecx
call fcn.00473416
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x484e3f
cmp eax, 0xfeff
jne 0x484db0
push ebx
push 2
push dword [esi]
call fcn.004841cd
add esp, 0xc
cmp eax, 0xffffffff
je 0x484a9f
mov byte [ebp - 2], 2
jmp 0x484bbc
push ebx
push ebx
push dword [esi]
call fcn.004841cd
add esp, 0xc
jmp 0x484d54
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x484dde
dec eax
jne 0x484bbc
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x484dec
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.0047e673
add esp, 0xc
cmp eax, 0xffffffff
je 0x484e12
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x484dec
jmp 0x484bbc
push dword [esi]
call fcn.00481aa6
pop ecx
call fcn.00473416
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x484e3f
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x50d0e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret