Get to know # Wei Xu *** ** * ** *** Blogs by Wei Xu Sort By: Recent Recent Popular *** ** * ** *** [![Detecting Malicious Campaigns with Machine Learning](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2018/04/unit42-blog-600x300.jpg)](https://www.paloaltonetworks.com.au/blog/2018/10/unit42-detecting-malicious-campaigns-machine-learning/) ## [Unit 42](https://www.paloaltonetworks.com/blog/category/unit42/?ts=markdown) ### [Detecting Malicious Campaigns with Machine Learning](https://www.paloaltonetworks.com.au/blog/2018/10/unit42-detecting-malicious-campaigns-machine-learning/) Unit 42 examines how using machine learning-based techniques can discover new threats and block them before they can affect our customers. Oct 12, 2018 By [Michael Weber](https://www.paloaltonetworks.com/blog/author/michael-weber/?ts=markdown "Posts by Michael Weber"), [Jiangtao Yin](https://www.paloaltonetworks.com/blog/author/jiangtao-yin/?ts=markdown "Posts by Jiangtao Yin"), [Jun Wang](https://www.paloaltonetworks.com/blog/author/jun-j-wang/?ts=markdown "Posts by Jun Wang"), [Yuchen Zhou](https://www.paloaltonetworks.com/blog/author/yuchen-zhou/?ts=markdown "Posts by Yuchen Zhou"), [Wei Xu](https://www.paloaltonetworks.com/blog/author/wei-xu/?ts=markdown "Posts by Wei Xu") and [John Harrison](https://www.paloaltonetworks.com/blog/author/john-harrison/?ts=markdown "Posts by John Harrison") *** ** * ** *** [![Unauthorized Coin Mining in the Browser](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2016/09/unit42-web-banner-650x300.jpg)](https://www.paloaltonetworks.com.au/blog/2017/10/unit42-unauthorized-coin-mining-browser/) ## [Unit 42](https://www.paloaltonetworks.com/blog/category/unit42/?ts=markdown) ### [Unauthorized Coin Mining in the Browser](https://www.paloaltonetworks.com.au/blog/2017/10/unit42-unauthorized-coin-mining-browser/) Unit 42 examines the pervasiveness of unauthorized coin mining inside browsers. Oct 17, 2017 By [Wayne Xin](https://www.paloaltonetworks.com/blog/author/wayne-xin/?ts=markdown "Posts by Wayne Xin"), [Yuchen Zhou](https://www.paloaltonetworks.com/blog/author/yuchen-zhou/?ts=markdown "Posts by Yuchen Zhou"), [Wei Xu](https://www.paloaltonetworks.com/blog/author/wei-xu/?ts=markdown "Posts by Wei Xu") and [Jun Wang](https://www.paloaltonetworks.com/blog/author/jun-j-wang/?ts=markdown "Posts by Jun Wang") *** ** * ** *** [](https://www.paloaltonetworks.com.au/blog/2016/01/angler-exploit-kit-continues-to-evade-detection-over-90000-websites-compromised/) ## [Malware](https://www.paloaltonetworks.com/blog/category/malware-2/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown), [Unit 42](https://www.paloaltonetworks.com/blog/category/unit42/?ts=markdown) ### [Angler Exploit Kit Continues to Evade Detection: Over 90,000 Websites Compr...](https://www.paloaltonetworks.com.au/blog/2016/01/angler-exploit-kit-continues-to-evade-detection-over-90000-websites-compromised/) Exploit Kits (EK), arguably the most impactful malicious infrastructure on the Internet, constantly evolve to evade detection by security technology. Tremendous effort has been spent on tracking new variations of different EK ... Jan 11, 2016 By [Yuchen Zhou](https://www.paloaltonetworks.com/blog/author/yuchen-zhou/?ts=markdown "Posts by Yuchen Zhou") and [Wei Xu](https://www.paloaltonetworks.com/blog/author/wei-xu/?ts=markdown "Posts by Wei Xu") *** ** * ** *** [](https://www.paloaltonetworks.com.au/blog/2015/11/dormant-malicious-code-discovered-on-thousands-of-websites/) ## [Malware](https://www.paloaltonetworks.com/blog/category/malware-2/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown), [Unit 42](https://www.paloaltonetworks.com/blog/category/unit42/?ts=markdown) ### [Dormant Malicious Code Discovered on Thousands of Websites](https://www.paloaltonetworks.com.au/blog/2015/11/dormant-malicious-code-discovered-on-thousands-of-websites/) Note: This post was updated on November 18, 2015 to reflect new information about the initial discovery of the injected code. On November 3, 2015, ZScaler reported that a Chinese government website ... Nov 14, 2015 By [Yuchen Zhou](https://www.paloaltonetworks.com/blog/author/yuchen-zhou/?ts=markdown "Posts by Yuchen Zhou") and [Wei Xu](https://www.paloaltonetworks.com/blog/author/wei-xu/?ts=markdown "Posts by Wei Xu") *** ** * ** *** [](https://www.paloaltonetworks.com.au/blog/2014/09/know-predicting-malicious-domains/) ## [Cybersecurity](https://www.paloaltonetworks.com/blog/category/cybersecurity-2/?ts=markdown), [Events](https://www.paloaltonetworks.com/blog/category/events/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown), [Unit 42](https://www.paloaltonetworks.com/blog/category/unit42/?ts=markdown) ### [We Know It Before You Do: Predicting Malicious Domains](https://www.paloaltonetworks.com.au/blog/2014/09/know-predicting-malicious-domains/) Today at the 2014 Virus Bulletin International Conference (VB2014) in Seattle, Palo Alto Networks is presenting a paper entitled "We Know It Before You Do: Predicting Malicious Domains." We're excited to share ... Sep 24, 2014 By [Wei Xu](https://www.paloaltonetworks.com/blog/author/wei-xu/?ts=markdown "Posts by Wei Xu"), [Kyle Sanders](https://www.paloaltonetworks.com/blog/author/kyle-sanders/?ts=markdown "Posts by Kyle Sanders") and [Yanxin Zhang](https://www.paloaltonetworks.com/blog/author/yanxin-zhang/?ts=markdown "Posts by Yanxin Zhang") *** ** * ** *** *** ** * ** *** Blogs by Wei Xu Sort By: Popular Popular Recent *** ** * ** *** [![Detecting Malicious Campaigns with Machine Learning](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2018/04/unit42-blog-600x300.jpg)](https://www.paloaltonetworks.com.au/blog/2018/10/unit42-detecting-malicious-campaigns-machine-learning/) ## [Unit 42](https://www.paloaltonetworks.com/blog/category/unit42/?ts=markdown) ### [Detecting Malicious Campaigns with Machine Learning](https://www.paloaltonetworks.com.au/blog/2018/10/unit42-detecting-malicious-campaigns-machine-learning/) Unit 42 examines how using machine learning-based techniques can discover new threats and block them before they can affect our customers. Oct 12, 2018 By [Michael Weber](https://www.paloaltonetworks.com/blog/author/michael-weber/?ts=markdown "Posts by Michael Weber"), [Jiangtao Yin](https://www.paloaltonetworks.com/blog/author/jiangtao-yin/?ts=markdown "Posts by Jiangtao Yin"), [Jun Wang](https://www.paloaltonetworks.com/blog/author/jun-j-wang/?ts=markdown "Posts by Jun Wang"), [Yuchen Zhou](https://www.paloaltonetworks.com/blog/author/yuchen-zhou/?ts=markdown "Posts by Yuchen Zhou"), [Wei Xu](https://www.paloaltonetworks.com/blog/author/wei-xu/?ts=markdown "Posts by Wei Xu") and [John Harrison](https://www.paloaltonetworks.com/blog/author/john-harrison/?ts=markdown "Posts by John Harrison") *** ** * ** *** [![Unauthorized Coin Mining in the Browser](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2016/09/unit42-web-banner-650x300.jpg)](https://www.paloaltonetworks.com.au/blog/2017/10/unit42-unauthorized-coin-mining-browser/) ## [Unit 42](https://www.paloaltonetworks.com/blog/category/unit42/?ts=markdown) ### [Unauthorized Coin Mining in the Browser](https://www.paloaltonetworks.com.au/blog/2017/10/unit42-unauthorized-coin-mining-browser/) Unit 42 examines the pervasiveness of unauthorized coin mining inside browsers. Oct 17, 2017 By [Wayne Xin](https://www.paloaltonetworks.com/blog/author/wayne-xin/?ts=markdown "Posts by Wayne Xin"), [Yuchen Zhou](https://www.paloaltonetworks.com/blog/author/yuchen-zhou/?ts=markdown "Posts by Yuchen Zhou"), [Wei Xu](https://www.paloaltonetworks.com/blog/author/wei-xu/?ts=markdown "Posts by Wei Xu") and [Jun Wang](https://www.paloaltonetworks.com/blog/author/jun-j-wang/?ts=markdown "Posts by Jun Wang") *** ** * ** *** [](https://www.paloaltonetworks.com.au/blog/2016/01/angler-exploit-kit-continues-to-evade-detection-over-90000-websites-compromised/) ## [Malware](https://www.paloaltonetworks.com/blog/category/malware-2/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown), [Unit 42](https://www.paloaltonetworks.com/blog/category/unit42/?ts=markdown) ### [Angler Exploit Kit Continues to Evade Detection: Over 90,000 Websites Compr...](https://www.paloaltonetworks.com.au/blog/2016/01/angler-exploit-kit-continues-to-evade-detection-over-90000-websites-compromised/) Exploit Kits (EK), arguably the most impactful malicious infrastructure on the Internet, constantly evolve to evade detection by security technology. Tremendous effort has been spent on tracking new variations of different EK ... Jan 11, 2016 By [Yuchen Zhou](https://www.paloaltonetworks.com/blog/author/yuchen-zhou/?ts=markdown "Posts by Yuchen Zhou") and [Wei Xu](https://www.paloaltonetworks.com/blog/author/wei-xu/?ts=markdown "Posts by Wei Xu") *** ** * ** *** [](https://www.paloaltonetworks.com.au/blog/2015/11/dormant-malicious-code-discovered-on-thousands-of-websites/) ## [Malware](https://www.paloaltonetworks.com/blog/category/malware-2/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown), [Unit 42](https://www.paloaltonetworks.com/blog/category/unit42/?ts=markdown) ### [Dormant Malicious Code Discovered on Thousands of Websites](https://www.paloaltonetworks.com.au/blog/2015/11/dormant-malicious-code-discovered-on-thousands-of-websites/) Note: This post was updated on November 18, 2015 to reflect new information about the initial discovery of the injected code. On November 3, 2015, ZScaler reported that a Chinese government website ... Nov 14, 2015 By [Yuchen Zhou](https://www.paloaltonetworks.com/blog/author/yuchen-zhou/?ts=markdown "Posts by Yuchen Zhou") and [Wei Xu](https://www.paloaltonetworks.com/blog/author/wei-xu/?ts=markdown "Posts by Wei Xu") *** ** * ** *** [](https://www.paloaltonetworks.com.au/blog/2014/09/know-predicting-malicious-domains/) ## [Cybersecurity](https://www.paloaltonetworks.com/blog/category/cybersecurity-2/?ts=markdown), [Events](https://www.paloaltonetworks.com/blog/category/events/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown), [Unit 42](https://www.paloaltonetworks.com/blog/category/unit42/?ts=markdown) ### [We Know It Before You Do: Predicting Malicious Domains](https://www.paloaltonetworks.com.au/blog/2014/09/know-predicting-malicious-domains/) Today at the 2014 Virus Bulletin International Conference (VB2014) in Seattle, Palo Alto Networks is presenting a paper entitled "We Know It Before You Do: Predicting Malicious Domains." We're excited to share ... Sep 24, 2014 By [Wei Xu](https://www.paloaltonetworks.com/blog/author/wei-xu/?ts=markdown "Posts by Wei Xu"), [Kyle Sanders](https://www.paloaltonetworks.com/blog/author/kyle-sanders/?ts=markdown "Posts by Kyle Sanders") and [Yanxin Zhang](https://www.paloaltonetworks.com/blog/author/yanxin-zhang/?ts=markdown "Posts by Yanxin Zhang") *** ** * ** *** {#footer} {#footer} ## Products and Services * [AI-Powered Network Security Platform](https://www.paloaltonetworks.com/network-security?ts=markdown) * [Secure AI by Design](https://www.paloaltonetworks.com/precision-ai-security/secure-ai-by-design?ts=markdown) * [Prisma AIRS](https://www.paloaltonetworks.com/prisma/prisma-ai-runtime-security?ts=markdown) * [AI Access Security](https://www.paloaltonetworks.com/sase/ai-access-security?ts=markdown) * [Cloud Delivered Security Services](https://www.paloaltonetworks.com/network-security/security-subscriptions?ts=markdown) * [Advanced Threat 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