每日安全动态推送(2-23)

Tencent Security Xuanwu Lab Daily News

• [Tools] GitHub – DvorakDwarf/Infinite-Storage-Glitch: ISG lets you use YouTube as cloud storage for ANY files, not just video:
https://github.com/DvorakDwarf/Infinite-Storage-Glitch

   ・ 该工具可以将任意文件以视频形式存储，将视频上传到视频网站进而使用其免费的云存储 – WireFish

• [Network] 2022 in review: DDoS attack trends and insights – Microsoft Security Blog:
https://msft.it/60155wbRB

   ・ 微软对2022年DDoS攻击的趋势分析 – keenan

• Escaping misconfigured VSCode extensions:
https://blog.trailofbits.com/2023/02/21/vscode-extension-escape-vulnerability/

   ・ 作者审计了vscode中的两款插件，利用插件中的XSS漏洞，以DNS rebind、dns-prefetch等方法绕过保护，从而达到泄露ssh私钥发送给攻击者的攻击效果。 – P4nda

• [PDF] https://arxiv.org/pdf/2302.00923.pdf:
https://arxiv.org/pdf/2302.00923.pdf

   ・ Amazon的语言模型仅使用1 billion个参数就可以达到91.68%的准确率，超过了用了175 billion个参数的GPT-3.5（准确率75.17%），该模型已开源。 – keenan

• r/netsec – A Deep Dive Into a PoshC2 Implant:
https://www.reddit.com/r/netsec/comments/1185gd3/a_deep_dive_into_a_poshc2_implant/

   ・ 解读 PoshC2 渗透框架代码实现 – WireFish

• CVE-2022-39952:
https://github.com/horizon3ai/CVE-2022-39952

   ・ Fortinet FortiNAC CVE-2022-39952的POC，未授权解压缩可导致任意文件写入，通过crontab实现RCE – xmzyshypnc

• [Tools] Analyzing Shellcode with GPT:
https://www.archcloudlabs.com/projects/shellcode_gpt/

   ・ 使用OPENAI达芬奇模型(ChatGPT的背后模型)分析shellcode的功能 – Atum

• [Tools, Browser] Let’s build a Chrome extension that steals everything:
https://mattfrisbie.substack.com/p/spy-chrome-extension

   ・ 编写一个Chrome浏览器扩展，尽可能地窃取用户信息，包括cookie，浏览历史，tab截图等等。 – keenan

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原文始发于微信公众号（腾讯玄武实验室）：每日安全动态推送(2-23)