
腾讯玄武实验室安全动态推送
Tencent Xuanwu Lab Security Daily News
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[ Android ] 《Inside Android’s SafetyNet Attestation: Attack and Defense》,来自研究员 Collin Mulliner 对 Android SafetyNet 保护服务的攻防研究报告: https://www.mulliner.org/collin/publications/inside_safetynet_attestation_attacks_and_defense_mulliner2017_ekoparty.pdf
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[ Industry News ] ICANN 宣布通过加密密钥保护 DNS 的计划要推迟了: https://threatpost.com/icann-postpones-scheduled-dns-crypto-key-rollover/128212/
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[ Industry News ] 经过一年的发展,Windows Store 应用市场上已经出现了多款 Edge 浏览器的扩展: https://blogs.windows.com/msedgedev/2017/09/29/microsoft-edge-extensions-one-year-later/#OEllWl7OVqOlAp6x.97
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[ macOS ] Duo Security 团队的研究员称,2015 年 Thunderstrike bootkit 攻击公开至今,尽管苹果发布了多次补丁更新,但是大约有 4.2% 的 MAC PC 并没有收到固件补丁更新: https://threatpost.com/macs-not-receiving-efi-firmware-security-updates-as-expected/128191/ https://duo.com/assets/ebooks/Duo-Labs-The-Apple-of-Your-EFI.pdf
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[ MalwareAnalysis ] Paloalto 研究员对使用 CMSTAR 木马攻击白俄罗斯政府的详细分析: https://researchcenter.paloaltonetworks.com/2017/09/unit42-threat-actors-target-government-belarus-using-cmstar-trojan/
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[ MalwareAnalysis ] 对恶意软件 Ramnit 的深度分析: https://www.cert.pl/en/news/single/ramnit-in-depth-analysis/
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[ Others ] 硬盘也能变成临时的麦克风,Paper: https://github.com/ortegaalfredo/kscope/blob/master/doc/HDD-microphones.pdf https://github.com/ortegaalfredo/kscope
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[ Others ] 受到微软研究员 Matt Graeber 在 DerbyCon 会议 《Subverting Trust in Windows – A Case Study of the “How” and “Why” of Engaging in Security Research》演讲的启发,LOPI 决定自己实现其中的 "从微软借一个签名证书",有了证书就可以干很多事儿了,譬如 Bypass 杀软: https://blog.conscioushacker.io/index.php/2017/09/27/borrowing-microsoft-code-signing-certificates/
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[ Popular Software ] 黑客将后门隐藏在虚假的 WordPress 安全插件中: https://www.bleepingcomputer.com/news/security/hacker-hides-backdoor-inside-fake-wordpress-security-plugin/
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[ Linux ] Linux 内核 4.13 waitid() 信息泄露 PoC(x64 version for KASLR bypassing): https://grsecurity.net/~spender/exploits/wait_for_kaslr_to_be_effective.c https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6c85501f2fabcfc4fc6ed976543d252c4eaf4be9
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[ Others ] Kingslayer - A supply chain attack -- Part 2: https://www.hackdog.me/article/Kingslayer-A_supply_chain_attack--Part_2.html
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[ Pentest ] 来自 subTee 分享的 COM Hijacking 示例代码: https://gist.github.com/subTee/91861699acaa1bd0da493c8a79035eb9
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[ Programming ] 学习 JavaScript Promises 特性是如何工作的: https://medium.com/gitconnected/understand-javascript-promises-by-building-a-promise-from-scratch-84c0fd855720
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[ SecurityReport ] 网络攻击给企业带来的经济损失均值已经上升到了 1170 万美元。来自 eweek 的调查报告: http://www.eweek.com/security/average-cyber-crime-cost-to-global-businesses-rises-to-11.7m-report
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[ Vulnerability ] Spring Data Rest服务器PATCH请求远程代码执行漏洞CVE-2017-8046补充分析: https://xianzhi.aliyun.com/forum/read/2186.html
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[ Windows ] 通过自定义环境变量、篡改注册表项的方式利用 .NET 程序 Bypass UAC: http://www.freebuf.com/articles/web/148779.html
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[ Windows ] 企业环境里该如何管理 PowerShell 的使用,降低因误用带来的风险,来自 NCC Group: https://www.nccgroup.trust/uk/our-research/managing-powershell-in-a-modern-corporate-environment/