Adds a signature for BeEF control UI to http-default-accounts-fingerprints

http-default-accounts-fingerprints-beef.patch

* Adds a signature for BeEF control UI
--- a/nselib/data/http-default-accounts-fingerprints.lua
+++ b/nselib/data/http-default-accounts-fingerprints.lua
@@ -199,6 +199,27 @@
     return try_http_post_login(host, port, path, "login", "Invalid auth credentials!", {submit="+Login+", userName=user, password=pass})
   end
 })
+
+table.insert(fingerprints, {
+  name = "BeEF",
+  category = "web",
+  paths = {
+    {path = "/ui/authentication/"}
+  },
+  target_check = function (host, port, path, response)
+    return response.body
+           and response.body:lower():find("<title>beef authentication</title>", 1, true)
+  end,
+  login_combos = {
+    {username = "beef", password = "beef"}
+  },
+  login_check = function (host, port, path, user, pass)
+    return try_http_post_login(host, port, path, "login",
+                               "{%s*success%s*:%s*false%s*}",
+                               {["username-cfrm"]=user, ["password-cfrm"]=pass})
+  end
+})
+
 ---
 --ROUTERS
 ---