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--- tags: cofacts, meeting note GA: UA-98468513-3 --- 20240520 會議記錄 ===== :::info - [所有會議記錄](https://g0v.hackmd.io/@mrorz/cofacts-meeting-notes/) - NPO hub 出席:bil, mrorz - 線上出席:nonumpa - https://gather.town/app/z3x18KQFgZCX8MeZ/cofacts ::: ## CCPRIP ### [Op] Transcript spam Removed cases [last week](https://g0v.hackmd.io/fSJ-OU9cRKSLxENOi9Z4VQ#Op-Transcript-spam) - https://github.com/cofacts/takedowns/blob/master/2024/0520-transcript-spam.md ### [Op] 垃圾訊息反制 > https://g0v.hackmd.io/um7DyY_ESbu2LL78kLw3pg?view 本週沒有進度 ## 20240514, 20240519 DDoS 攻擊 > Recorded to: https://hackmd.io/i0GcWSSVQNeDQ_OBebyk6Q?both#20240519-DDoS-attack > ### Before 5/14 5/9、5/12 Received same emails twice from the same address ![](https://s3-ap-northeast-1.amazonaws.com/g0v-hackmd-images/uploads/upload_a7bbf9af3b10238ea0f91b4e77c7c3a7.png) ![](https://s3-ap-northeast-1.amazonaws.com/g0v-hackmd-images/uploads/upload_208ad6d8f70106d00be1c00f11d82985.png) > 這次被攻擊的網頁,前幾天我們有收到來信檢舉二次詐騙 剛才一查 email 發現,根本就是詐騙集團寄來的信。 > [name=mrorz] ![](https://s3-ap-northeast-1.amazonaws.com/g0v-hackmd-images/uploads/upload_48d5d01aa2a215d3b71f6a27b7a17ad1.png) > 結果我幾天前有回那個 zhenghe18168 Cofacts 這裡的處理方式 > 等於是把 honeypot 跟他們說了 ._. > [name=mrorz] ### 5/14 DDoS Time - 17:08 health check report: all services offline (API, line bot, website) - 17:20 attack stopped - 17:26 recveived another email from different address but using the same terms, thus should from the same person ![](https://s3-ap-northeast-1.amazonaws.com/g0v-hackmd-images/uploads/upload_d62a6d62495b97f6603c54a11075669f.png) Cloudflare report https://drive.google.com/file/d/1XkD4o4l95iqUKf8AVHzeODlK8MhAMJBa/view?usp=drivesdk - DDoS requests: 12.82M - 1M req / min, QPS = 16K - Attack method: rapidly accessing the same page using different IPs: cofacts.tw/article/2v60p2lt2jmdx - 攻擊可以判斷為寄信者,希望將此網頁下架 ### 5/15 Cofacts FB fan page received messages ![](https://s3-ap-northeast-1.amazonaws.com/g0v-hackmd-images/uploads/upload_12d037c419030954f1a922d04ff62b99.png) [Sender profile](https://www.facebook.com/profile.php?id=61554300789951) ![](https://s3-ap-northeast-1.amazonaws.com/g0v-hackmd-images/uploads/upload_d98f9885692387bfc19bd583efe87c22.png) ### 5/18 DDoS Time - 17:16 Attack start, Cloudflare starts blocking requests - 17:30 health check: all service timeout (API, website, line bot) - 17:32 MrOrz acknowledge downtime, investigating Cloudflare, found that it's an attack - 17:47 Setup Cloudflare WAF rule: - ![](https://s3-ap-northeast-1.amazonaws.com/g0v-hackmd-images/uploads/upload_f72e2baccf1f1772dc61f81b2e240761.png) - If incoming requests match… `http.request.uri.path contains "/article/2v60p2lt2jmdx"`, take action: [Managed challenge](https://developers.cloudflare.com/waf/reference/cloudflare-challenges/#managed-challenge-recommended) - 17:54 Website starts working - 18:24 health check: all services response 520 - 19:09 MrOrz acknowledge downtime; found that the attack target switched to cofacts.tw/article/1rfvth8iy4fnc - 19:16 MrOrz turns on I'm under attack mode - 20:06 MrOrz finds out that service gets back by itself - Probably because site-zh restarts itself every 30 minutes at 0 & 30 min of every hour? Cloudflare report - Full https://drive.google.com/file/d/10bx6J1HD_IHi3rC_x0ckNDUOK_KFYI53/view?usp=sharing ![](https://s3-ap-northeast-1.amazonaws.com/g0v-hackmd-images/uploads/upload_674745a445d9d5ac4a932d2a636e4069.png) - 17:00 ~ 17:40 https://drive.google.com/file/d/11ZqlfDKftAWi96szEW1UhNJdaeoIdDbQ/view?usp=sharing ![](https://s3-ap-northeast-1.amazonaws.com/g0v-hackmd-images/uploads/upload_80782806ec401a849a10ff6263627e37.png) - Managed by Cloudflare DDoS detection - DDoS requests: 15.32M, 24min; QPS=10.6K - Attack target: `/article/2v60p2lt2jmdx` - 17:45 ~ 18:15 https://drive.google.com/file/d/1vozVBEwMhJlEz2kVf_h2ICx_om8yDCf_/view?usp=drive_link ![](https://s3-ap-northeast-1.amazonaws.com/g0v-hackmd-images/uploads/upload_34a60dc5da94847681a05bb6e480be9d.png) - Contained by Managed challenges + DDoS block - 18:15 ~ 19:15 https://drive.google.com/file/d/1RVGjViKQiu45BCzWoRaHbaiTrGzXNtmo/view?usp=drive_link ![](https://s3-ap-northeast-1.amazonaws.com/g0v-hackmd-images/uploads/upload_3fd99dfcc18aefb8a7369fa2ae5bad64.png) - Attack switched gear to attack `/article/1rfvth8iy4fnc`, Service down - 20:13 ~ 20:20 https://drive.google.com/file/d/1QMTrK9gM4nLGQKCVHCXCcFkeBx3aGrOT/view?usp=drive_link ![](https://s3-ap-northeast-1.amazonaws.com/g0v-hackmd-images/uploads/upload_50cd5d2589a0f4302932716c2d4d27db.png) - Peak 1.5M / min; QPS: 25K (highest today) - No downtime triggered ### Mitigation - Go to Security > Event to see what page is under attack - If a single page is under attack, go to WAF > "Visiting certian page" action > add link - Let's add all articles in scammer's email ## 5 月開會時間 - 5/27 線上 only, 時間相同 ## 小聚籌備 - 確定是 6/1 ---- - [x] 日期:6/1(六) - [ ] 食物:馬來西亞土產 - [x] 場地:NPO Hub Foundry(大的那間) - [x] 時間: - 活動時間:14:00 - 17:00 - 時間分配 - 2:00 - 2:20 開場 - 影片 - Slido 暖身 - 2:20 - 2:40 引導註冊網站、介紹評價現有回應 - 2:40 - 2:50 實作評價 - 2:50 - 3:10 介紹補充資訊 - 3:10 - 3:40 實作補充資訊、自我介紹、休息 - 3:40 - 4:10 介紹撰寫新回應 - 4:10 - 4:40 實作撰寫新回應 - 4:40 - 5:00 介紹分類、RSS、合照 - [ ] 投放目標: - 推播日:5/21 推播 - 推播日之前:新北志工優先報名 - 目標:雙北 - [x] KKTIX: https://cofacts.kktix.cc/events/cofactseditor42 - [ ] 誰會來呢:bil, mrorz, nonumpa - [ ] 記得帶:貼紙、環保杯 - [ ] LINE 文案: 台灣中央山脈龍脈要毀風水了嗎?老百姓或私人公司會被定罪藐視國會嗎?社會紛紛擾擾,看到可疑訊息從四方湧入,動手破解假資訊的機會來了,Cofacts志工培訓與查核工作坊就在週六,你就是改變社會的正能量。 時間 06月01日 (六)14:00-17:00 地點:台北NPO聚落 / 台北市中正區重慶南路三段2號2樓 免費活動,會很準時開始,請記得攜帶筆記型電腦或是平板方便作業。 - [ ] VOOM 發文

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