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With long working hours and tons of responsibility, the cybersecurity field could be very stressful. As a result, sometimes mental health and personal life are left behind. With more than ten years of cyber security leadership experience, the Vice President of Security of TeamViewer, Robert Haist, is joining us this month for an episode of interesting field stories, a discussion on mental health and the power of PowerPoint. 

Join the conversation between Robert Haist and our host - Peter Manev, and find our guest here: 

• Linkedin: https://www.linkedin.com/in/rhaist/?originalSubdomain=de
• Twitter: https://twitter.com/roberthaist?lang=en
• TeamViewer: https://www.teamviewer.com/en/?utm_source=google&utm_medium=cpc&utm_campaign=restofeurope%7Cb%7Cpr%7C22%7Caug%7Ctv-core-brand-only-exact-sn%7Cnew%7Ct0%7C0&utm_content=Exact&utm_term=teamviewer&gad=1&gclid=CjwKCAjwkeqkBhAnEiwA5U-uMz3g8awZAQqM9vEwpBzoBmSsb0sEn8vO7laNbpqWKPeG40-5BdMDqhoCTxMQAvD_BwE 
• Public library for threat intel reports: https://orkl.eu

同样是在ichunqiu CTF大本营刷题的时候碰到一道高质量的web题，也比较有实战价值，比赛中算是web里耗时较长的的。网上已经有一些公开的writeup，但是为了加深理解记忆，故记录一篇blog。

其中包括一些网上没公开的一些CVE-2022-42919 LPE exp的利用细节及PHP 8.2.2 OPcache Binary Webshell手工利用方法。

• 复现链接: 2023年春秋杯网络安全联赛春季赛 web php_again