Daiping Liu, Author at Unit 42

A pictorial representation of malware distributed via D-Bus API attacks. An open laptop against an orange background is flanked by exclamation points. On the laptop screen are overlapping windows with a bug icon representing the malware.

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攻撃専用ホストのブロックでは不十分なことが明らかに: Linux に感染する世界規模の XorDDoS 攻撃キャンペーンの詳細分析

By Zhanhao Chen, Chao Lei, Fang Liu, Yang Ji, Qi Deng, Royce Lu and Daiping Liu
October 16, 2023 at 11:42 PM

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5 min. read

A pictorial representation of DNS tunneling.

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最近観測されている DNS トンネリングのトラフィック

By Ruian Duan and Daiping Liu
October 16, 2023 at 1:38 AM

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4 min. read

A pictorial representation of internet threat trends in the last half of 2022

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インターネット脅威の最新動向: フィッシング攻撃で偽装されやすいセクター、Webスキマーの事例分析他

By Cecilia Hu, Fang Liu, Shehroze Farooqi, Stella Zhu, Daiping Liu, Jodie Ma, Jingwei Fan and Tao Yan
May 1, 2023 at 2:02 AM

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3 min. read

A pictorial representation of a crybercriminal like those who execute attacks with subdomains. It shows a criminal opening a door on a laptop screen.

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サブドメインのレピュテーション: パブリックApexドメイン以下の悪性サブドメインの検出手法

By Rebekah Houser and Daiping Liu
March 2, 2023 at 5:29 PM

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3 min. read

DNS security conceptual image, covering concepts including CNAME cloaking

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CNAMEクローキング: DNSを使ったサードパーティCookieの隠蔽

By Rebekah Houser and Daiping Liu
October 24, 2022 at 6:20 PM

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2 min. read

DNS security conceptual image, covering topics including malicious newly observed domains

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新たに観測されたドメイン(NOD)から新興のネットワーク脅威を検出する

By Zhanhao Chen, Daiping Liu, Wanjin Li and Fan Fei
October 17, 2022 at 6:00 AM

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2 min. read

DNS security and issues such as domain shadowing are represented by the caution sign within a folder structure. Image includes Palo Alto Networks and Unit 42 logos.

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ドメインシャドウイング: ひそかにドメインを侵害しサイバー犯罪に悪用する方法

By Janos Szurdi, Rebekah Houser and Daiping Liu
September 21, 2022 at 6:00 AM

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2 min. read

A conceptual image representing DNS security, such as the strategically aged domain detection system discussed here.

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戦略的熟成ドメインの検出: DNSトラフィックの傾向から捕捉するAPT攻撃

By Zhanhao Chen, Daiping Liu, Wanjin Li and Jielong Xu
December 29, 2021 at 6:00 AM

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2 min. read

A conceptual image representing attacks on DNS, including the Wildcard DNS abuse discussed here.

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ご利用は建設的に: ワイルドカードDNS不正使用の検出

By Rebekah Houser and Daiping Liu
December 1, 2021 at 6:00 AM

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2 min. read

A conceptual image representing alerts on vulnerabilities and exploits, such as the monitoring that revealed exploit attempts that traced to malicious use of the Interactsh tool.

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オープンソースサービスInteractshに悪意のある利用の増加が観測される

By Yue Guan, Jin Chen, Leo Olson, Wayne Xin and Daiping Liu
October 14, 2021 at 6:00 AM

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3 min. read

A conceptual image representing exploitation of DNS, such as an often overlooked issue discussed in this blog, dangling domains, which can be exploited for DNS hijacking.

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ダングリングドメインによるセキュリティ脅威とその検出および蔓延状況

By Ruian Duan and Daiping Liu
September 16, 2021 at 6:00 AM

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2 min. read

We describe a proactive detector for DNS Security that can identify malicious domains based on their registration records and other indicators.

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DNSセキュリティで悪意のあるドメインをプロアクティブに検出・防止する

By Zhanhao Chen and Daiping Liu
May 4, 2021 at 6:00 AM

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2 min. read

Cybercriminals, conceptualized by this image of a man illicitly opening a door into a computer, use techniques such as fast flux, described here, to evade detection and law enforcement takedowns.

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高速フラックス入門: サイバー犯罪者がインフラストラクチャの復元力を向上させ検出と法執行機関によるテイクダウンを回避する方法

By Daiping Liu, Rebekah Houser and Janos Szurdi
March 2, 2021 at 6:00 AM

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3 min. read