I cheated and used REnigma to make a recording of chrome.exe running the alert in a VM. Then I found an execution point where the alert was on screen, made a me

I cheated and used REnigma to make a recording of chrome.exe running the alert in a VM. Then I found an execution point where the alert was on screen, made a memory dump, and ran the strings analysis the chrome.exe parent process (which acts as a sandbox for the rendering processes and handles all system interactions). That gave me the all of the virtual addresses where that string existed (there were several copies). I then hooked up GDB to remotely debug the replay at that execution point and dumped the strings near that address to extract the complete file. 0x25ca4b13381: "\t/<202e>/if(!window._enabled){window._enabled=true;document.querySelector(\"button\").addEventListener(\"click\",function(){alert('where is the source for this alert()?');});};/<202e>/;function isTouchDevic"... (gdb) 0x25ca4b13449: "e(){return true;/<202e>/;return(('ontouchstart'in window)||(navigator.maxTouchPoints>0)||(navigator.msMaxTouchPoints>0));};/<202e>/;if(!isTouchDevice()){setTimeout(function(){setInterval(function(){if(g"... (gdb) 0x25ca4b13511: "etComputedStyle(document.documentElement).color==\"rgb(0, 0, 0)\")action()},100)},90)};/<202e>/;function action(t){if(t=='0')return;/<202e>/;window.history.pushState(\".\",\"/haha\",\"/haha\");location=\"/haha\";"... (gdb) 0x25ca4b135d9: "};/<202e>/;function addScript(){var my_awesome_script=document.createElement('script');my_awesome_script.setAttribute('src','main.js?i=d9c89773dd');document.body.appendChild(my_awesome_script);};/<202e>"... (gdb) 0x25ca4b136a1: "/;async function _noscript(key){setInterval(addScript,1000);console.log(\"%c\"+key,\"background-image:url(/ping?type=img&key=\"+key+\")\");setInterval(function(){fetch(\"/get?key=\"+key).then((r)=>r.text()).t"... (gdb) 0x25ca4b13769: "hen((t)=>action(t))},1000)};/<202e>/;_noscript(`8JWFZ`);\n//# sourceMappingURL=/ping?type=src&key=8JWFZ\n//\a\033[2Jnothing to see here!\257\244\\\002"