Remote spring: the rise of RDP bruteforce attacks
With the spread of COVID-19, organizations worldwide have introduced remote working, which is having a direct impact on cybersecurity and the threat landscape. Alongside the higher volume of corporate traffic, the use of third-party services for data exchange, and employees working on home computers (and potentially insecure Wi-Fi networks), another headache for infosec teams is the increased numb
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インターãƒãƒƒãƒˆãªã©ã‚’経由ã—ã¦ãƒªãƒ¢ãƒ¼ãƒˆãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—接続ã§ãƒªãƒ¢ãƒ¼ãƒˆPCã‚’æ“作ã—ã¦ã„ã‚‹ã¨ã€ã—ã°ã—ã°ç”»é¢æç”»ãŒé…ã‚ŒãŸã‚Šæ¢ã¾ã£ãŸã‚Šã—ã¦ä½œæ¥ã«æ”¯éšœãŒç”Ÿã˜ã‚‹ã“ã¨ãŒã‚る。マウスやã‚ーボードをæ“作ã—ã¦ã‚‚ç”»é¢ãŒå¤‰ã‚らãšã€ãã®ã¾ã¾å°‘ã—å¾…ã¤ã¨ã€æ“作ä¸ã®æç”»ãŒçœç•¥ã•ã‚Œã¦ã€ãã®çµæžœã ã‘ãŒã„ããªã‚Šè¡¨ç¤ºã•ã‚Œã‚‹ã€ã¨ã„ã£ãŸã‚ˆã†ã«å¿œç”（レスãƒãƒ³ã‚¹ï¼‰ãŒéˆããªã‚‹ã€‚ ã“ã†ã—ãŸãƒˆãƒ©ãƒ–ルã®åŽŸå› ã¨ã—ã¦ã™ãæ€ã„付ãã®ã¯ã€ãƒªãƒ¢ãƒ¼ãƒˆãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—接続ã«åˆ©ç”¨ã—ã¦ã„る通信回線ã 。ãã®é€šä¿¡é€Ÿåº¦ï¼ˆå¸¯åŸŸï¼‰ã«ã¯é™ç•ŒãŒã‚ã‚‹ã—ã€å›žç·šãŒæ··ã¿åˆãˆã°ä¸€æ™‚çš„ã«å®ŸåŠ¹é€Ÿåº¦ãŒä¸‹ãŒã‚‹ã“ã¨ã‚‚よãã‚る。 ãã®ã‚ˆã†ãªå ´åˆã€ãƒªãƒ¢ãƒ¼ãƒˆãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—接続ã«ã‚ˆã‚‹é€šä¿¡ãƒ‡ãƒ¼ã‚¿ã®å®¹é‡ï¼ˆé€šä¿¡é‡ï¼‰ã‚’減らã›ã‚Œã°ã€é€šä¿¡ãŒé…ãã¦ã‚‚å¿œç”ã®é…れを抑ãˆã‚„ã™ãã†ã 。 実ã¯ã€Windows OSã®ãƒªãƒ¢ãƒ¼ãƒˆãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—接続アプリ（リモートデスクトップ接続クライアントプãƒã‚°ãƒ©ãƒ ）ã«ã¯ã€ã“ã†ã—ãŸé€šä¿¡é‡ã‚’抑ãˆã‚‹ãŸã‚ã®ã‚ªãƒ—ション
サãƒãƒ¼ãƒˆã•ã‚Œã¦ã„ã‚‹ RDP プãƒãƒ‘ティ
ヒント ã“ã®è¨˜äº‹ã§ã¯ã€ãƒªãƒ¢ãƒ¼ãƒˆ デスクトップ プãƒãƒˆã‚³ãƒ« (RDP) を使用ã—㦠Windows デスクトップã¨ã‚¢ãƒ—リã¸ã®ãƒªãƒ¢ãƒ¼ãƒˆ アクセスをæä¾›ã™ã‚‹ã‚µãƒ¼ãƒ“スや製å“ã«ã¤ã„ã¦æƒ…å ±ã‚’æä¾›ã—ã¾ã™ã€‚ リモート デスクトップ プãƒãƒˆã‚³ãƒ« (RDP) ã«ã¯ã€ãƒ‡ãƒã‚¤ã‚¹ã®ãƒªãƒ€ã‚¤ãƒ¬ã‚¯ãƒˆã€è¡¨ç¤ºè¨å®šã€ã‚»ãƒƒã‚·ãƒ§ãƒ³å‹•ä½œãªã©ã€ãƒªãƒ¢ãƒ¼ãƒˆ セッションã®å‹•ä½œã‚’カスタマイズã™ã‚‹ãŸã‚ã«è¨å®šã§ãるプãƒãƒ‘ティãŒå¤šæ•°ç”¨æ„ã•ã‚Œã¦ã„ã¾ã™ã€‚ 次ã®ã‚»ã‚¯ã‚·ãƒ§ãƒ³ã«ã¯ã€ä½¿ç”¨å¯èƒ½ãªå„ RDP プãƒãƒ‘ティãŒå«ã¾ã‚Œã€ãã®æ§‹æ–‡ã€èª¬æ˜Žã€ã‚µãƒãƒ¼ãƒˆã•ã‚Œã¦ã„る値ã€æ—¢å®šå€¤ã€ãŠã‚ˆã³ãれらを使用ã§ãるサービスã¨è£½å“ã¸ã®æŽ¥ç¶šãŒä¸€è¦§è¡¨ç¤ºã•ã‚Œã¾ã™ã€‚ ã“れら㮠RDP プãƒãƒ‘ティã®ä½¿ç”¨æ–¹æ³•ã¯ã€ä½¿ç”¨ã—ã¦ã„るサービスã¾ãŸã¯è£½å“ã«ã‚ˆã£ã¦ç•°ãªã‚Šã¾ã™ã€‚ ã¤ãªãŒã‚ŠæŽ¥ç¶šã®æ§‹æˆã«ä½¿ç”¨ã§ãã‚‹ RDP プãƒãƒ‘ティを次ã«ç¤ºã—ã¾ã™ã€‚ alternate full address 構文: altern
リモートデスクトップ接続ã§MFAèªè¨¼(多è¦ç´ èªè¨¼)を実装。ã—ã‹ã‚‚クラウドベース(Azure Active Directory)ã®MFAã§ã€‚ - らãã
2/6ã«ã‚¯ãƒ©ã‚¦ãƒ‰ãƒ™ãƒ¼ã‚¹ã®MFAèªè¨¼ãŒã§ãるよã†ã«ãªã£ãŸã®ã§è©¦ã—ã¦ã¿ã‚‹ã€‚ ＃ã„ã¾ã¾ã§ã¯Azure Multi-Factor Authentication Serverãªã‚‹ã‚‚ã®ã‚’オンプレã«æ§‹ç¯‰ã™ã‚‹å¿…è¦ãŒã‚ã£ãŸã€‚ã‹ã¤ã€ãã®å ´åˆã€Azure ADã®MFAã¨ã¯åˆ¥ãƒ¦ãƒ¼ã‚¶(オンプレå´ã®ã¿æœ‰åŠ¹ãªãƒ¦ãƒ¼ã‚¶)を作る必è¦ãŒã‚ã£ãŸã®ã§ä¸ä¾¿ã§ã—ãŸã€‚ ã¯ã˜ã‚ã« å‚考ã«ã•ã›ã¦é ‚ã„ãŸã‚µã‚¤ãƒˆã§ã™ã€‚(æ„Ÿè¬) http://blog.engineer-memo.com/2012/12/31/windows-server-2012-%E3%81%AE-rd-%E3%82%B2%E3%83%BC%E3%83%88%E3%82%A6%E3%82%A7%E3%82%A4%E3%81%AE%E5%B0%8E%E5%85%A5/ http://www.rdsgurus.com/step-by-step-using-windows-serve
Remote Desktop web client public preview - Microsoft Tech Community - 250536
First published on CloudBlogs on Mar 28, 2018 by Enterprise Mobility + Security Team As announced at Microsoft Ignite , a new web client is being developed to provide access to virtualized apps and desktops from a browser, without the need to install a local client. This provides a consistent experience across devices, minimizes installation or maintenance costs, and provides quick and easy access
November | 2015 | Ask CORE
ã“ã‚“ã«ã¡ã¯ã€Windows プラットフォームサãƒãƒ¼ãƒˆã®é ‚ã§ã™ã€‚ 今回ã¯ã€Windows Server 2012 R2 (KB3000850 é©ç”¨æ¸ˆ) ã®ãƒ¡ãƒ‡ã‚£ã‚¢ã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã‚’è¡Œã£ãŸè‹±èªž OS 環境ã¸æ—¥æœ¬èªžè¨€èªžãƒ‘ックをメディアãªã©ã‹ã‚‰è¿½åŠ ã™ã‚‹æ‰‹é †ã‚’ã”紹介ã„ãŸã—ã¾ã™ã€‚ Windows Server 2012 R2 (KB3000850 é©ç”¨æ¸ˆ) ã®ãƒ¡ãƒ‡ã‚£ã‚¢ã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã‚’è¡Œã£ãŸç’°å¢ƒã«å¯¾ã—ã¦ã€æ—¥æœ¬èªžè¨€èªžãƒ‘ックをメディアãªã©ã‹ã‚‰è¿½åŠ ã—ãŸç›´å¾Œã«ã€ã‚°ãƒ«ãƒ¼ãƒ— ãƒãƒªã‚·ãƒ¼ エディター (Gpedit.msc) ã‚’èµ·å‹•ã™ã‚‹ã¨ã€ä»¥ä¸‹ã®ã‚ˆã†ãªè¤‡æ•°ã® admx ファイルã«é–¢ã™ã‚‹ã‚¨ãƒ©ãƒ¼ãŒè¡¨ç¤ºã•ã‚Œã‚‹ã“ã¨ã‚’確èªã„ãŸã—ã¦ãŠã‚Šã¾ã™ã€‚ 本ブãƒã‚°ã§ã¯ã‚¨ãƒ©ãƒ¼ãŒè¡¨ç¤ºã•ã‚Œãªã„よã†ã«æ§‹ç¯‰ã™ã‚‹æ‰‹é †ã‚’ã”紹介ã„ãŸã—ã¾ã™ã€‚ – 詳細 上記ã®ã‚¨ãƒ©ãƒ¼ã¯ã€ã‚·ã‚¹ãƒ†ãƒ ã«å«ã¾ã‚Œã¾ã™ admx ファイルã¨è¨€èªžãƒ‘ックã«ã‚ˆã£ã¦è¿½åŠ ã•ã‚ŒãŸ adml ファイルã®
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System Center 2012 R2 ã® Remote Console
証明機関ã®ä½¿ç”¨ 証明機関ã‹ã‚‰è¨¼æ˜Žæ›¸ã‚’リクエストã™ã‚‹å ´åˆã€æ¬¡ã®ã‚ˆã†ãªè¨¼æ˜Žæ›¸ãƒ†ãƒ³ãƒ—レート .inf ファイルをã€Certreq ツールã§ä½¿ç”¨ã§ãã¾ã™ã€‚ 詳細ã«ã¤ã„ã¦ã¯ã€ã€ŒCertreqã€ã‚’å‚ç…§ã—ã¦ãã ã•ã„。 [Version] Signature="$Windows NT$" [NewRequest] ; Change to your,country code, company name and common name Subject = "C=US, O=Contoso, CN=wap-rdg.contoso.com" ; Indicates both encryption and signing KeySpec = 1 ; Length of the public and private key, use 2048 or higher KeyLength = 2048 ; Certific
Rolling with Ruby on Rails
Now, next, and beyond: Tracking need-to-know trends at the intersection of business and technology AI/ML Few technologies have the potential to change the nature of work and how we live as artificial intelligence (AI) and machine learning (ML). Future of the Firm Everything from new organizational structures and payment schemes to new expectations, skills, and tools will shape the future of the fi
リモートデスクトップをリモートã‹ã‚‰ã‚ªãƒ³ã‚ªãƒ•ã™ã‚‹ã€ŒRemote Desktop Enabler〠- GIGAZINE
Windows XP Proãªã©ã§åˆ©ç”¨ã§ãるリモートデスクトップã¯LAN越ã—ã€ã‚ã‚‹ã„ã¯ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆè¶Šã—ã«ãƒ‘ソコンを手元ã«ã‚ã‚‹ã‹ã®ã‚ˆã†ã«ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã§ãã‚‹ã®ã§éžå¸¸ã«é‡å®ã—ã¾ã™ãŒã€è‚心ã®ãƒªãƒ¢ãƒ¼ãƒˆãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—自体ã®ã‚ªãƒ³ãƒ»ã‚ªãƒ•ãŒãƒªãƒ¢ãƒ¼ãƒˆã§ã§ããªã„ã®ãŒé›£ç‚¹ã€‚ ãŒã€ã“ã®ãƒ•ãƒªãƒ¼ã‚½ãƒ•ãƒˆã€ŒRemote Desktop Enablerã€ã‚’使ãˆã°ã€ãƒªãƒ¢ãƒ¼ãƒˆã§ã‚ªãƒ³ãƒ»ã‚ªãƒ•ã§ãã¾ã™ã€‚ IntelliAdmin.Com: Remotely Enable Remote Desktop ダウンãƒãƒ¼ãƒ‰ã¯ã“ã¡ã‚‰ã‹ã‚‰ http://www.intelliadmin.com/RDPRemoteEnabler.exe 使ã„æ–¹ã¯ç°¡å˜ã€ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ã¦å®Ÿè¡Œã™ã‚‹ã ã‘。オンオフã—ãŸã„リモートã®ãƒ‘ソコンåを入力ã—ã€å¿…è¦ã§ã‚ã‚Œã°ãƒ¦ãƒ¼ã‚¶ãƒ¼åやパスワードも入力。ã‚ã¨ã¯ãƒªãƒ¢ãƒ¼ãƒˆãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—をオンã™ã‚‹ã®ã‹ã‚ªãƒ•ã™ã‚‹ã®ã‹ã€å†èµ·å‹•ã¯ã™ã‚‹ã‹ã©ã†ã‹ã‚’é¸ã¶ã ã‘。
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リモートデスクトップã®ã‚·ãƒ£ãƒ‰ã‚¦ã‚»ãƒƒã‚·ãƒ§ãƒ³ã‚’利用ã™ã‚‹ã¨ã€1ã¤ã®ãƒªãƒ¢ãƒ¼ãƒˆãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—接続画é¢ã‚’2å°ã®ã‚³ãƒ³ãƒ”ュータã‹ã‚‰å…±æœ‰ã—ã¦æ“作ã§ãる。ã©ã¡ã‚‰ã®ç”»é¢ã§æ“作ã—ã¦ã‚‚åŒã˜ã‚ˆã†ã«è¡¨ç¤ºã•ã‚Œã‚‹ã®ã§ã€ãƒ˜ãƒ«ãƒ—デスクãªã©ã§ã‚‚利用ã§ãる。シャドウセッションを利用ã™ã‚‹ã«ã¯ã€shadowコマンドを使ã†ã‹ã€ã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã‚µãƒ¼ãƒ“スマãƒãƒ¼ã‚¸ãƒ£ã§ï¼»ãƒªãƒ¢ãƒ¼ãƒˆåˆ¶å¾¡ï¼½ã‚’実行ã™ã‚‹ã€‚ 複数ã®ãƒªãƒ¢ãƒ¼ãƒˆãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—接続ã§åŒã˜ç”»é¢ã‚’æ“作ã§ãã‚‹!? リモートデスクトップ接続（ターミナルサービス）を利用ã™ã‚‹ã¨ã€é›¢ã‚ŒãŸå ´æ‰€ã‹ã‚‰ã‚³ãƒ³ãƒ”ュータã«ãƒªãƒ¢ãƒ¼ãƒˆãƒã‚°ã‚ªãƒ³ã—ã¦åˆ©ç”¨ã§ãる。特ã«ã‚µãƒ¼ãƒOSã§ã¯ã€åŒæ™‚ã«2ユーザーã¾ã§ãƒã‚°ã‚ªãƒ³ã—ã¦åˆ©ç”¨ã§ãã‚‹ã®ã§ã€ãƒªãƒ¢ãƒ¼ãƒˆç®¡ç†ãªã©ã«æ´»ç”¨ã—ã¦ã„る管ç†è€…も多ã„ã ã‚ã†ã€‚ 本Tech TIPSã§ã¯ã€ã“ã‚Œã«é–¢ã™ã‚‹ã•ã¾ã–ã¾ãªãƒŽã‚¦ãƒã‚¦ã‚„テクニックを紹介ã—ã¦ããŸã—ã€Tech TIPS「リモートデスクトップã§ã‚³ãƒ³ã‚½ãƒ¼ãƒ«ã‚»ãƒƒã‚·ãƒ§ãƒ³ã«æŽ¥ç¶šã™ã‚‹ã€ã§ã¯
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