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  • YamaBot Malware Used by Lazarus Malware
    朝長 秀誠 (Shusei Tomonaga)

    朝長 秀誠 (Shusei Tomonaga)

    July 7, 2022
    YamaBot Malware Used by Lazarus
    JPCERT/CC is continuously investigating the activities by Lazarus. In ...

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  • VSingle malware that obtains C2 server information from GitHub Malware
    朝長 秀誠 (Shusei Tomonaga)

    朝長 秀誠 (Shusei Tomonaga)

    July 5, 2022
    VSingle malware that obtains C2 server information from GitHub
    Some types of malware use DGA, obfuscate destination information, or c...

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  • TSUBAME Report Overflow (Jan-Mar 2022) Cyber Metrics
    鹿野 恵祐 (Keisuke Shikano)

    鹿野 恵祐 (Keisuke Shikano)

    June 30, 2022
    TSUBAME Report Overflow (Jan-Mar 2022)
    This TSUBAME Report Overflow series discuss monitoring trends of overseas TSUBAME sensors and other activities which the Internet Threat Monitoring Quarterly Reports does not include. This article covers the monitoring results for the period of October to December 2021. The scan trends observed with TSUBAME sensors in Japan are presented in graphs here. Looking back on 2021 Figure 1 shows a comparison and transition of the total number of IP...

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  • What’s happening in Ukraine on the Internet? – Data from Shodan Trends Cyber Metrics
    村上 勇樹(Yuki Murakami)

    村上 勇樹(Yuki Murakami)

    June 27, 2022
    What’s happening in Ukraine on the Internet? – Data from Shodan Trends
    JPCERT/CC Cyber Metrics Group utilizes various kinds of data in order to understand what is happening on the Internet and call for appropriate cybersecurity measures based on the analysis. For example, we operate TSUBAME [1], an Internet threat monitoring system, and Mejiro [2] , an Internet risk visualization service. In this article, we used data from Shodan Trends to check how the recent situation in Ukraine looks on the Internet....

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  • JPCERT/CC participated in the Locked Shields 2022 Event
    小宮山 功一朗 (Koichiro Sparky Komiyama)

    小宮山 功一朗 (Koichiro Sparky Komiyama)

    June 1, 2022
    JPCERT/CC participated in the Locked Shields 2022
    1. What is Locked Shields? Locked Shields is a cyber exercise organized by NATO CCDCOE. It is a large-scale and complex exercise which took place in late April 2022. JPCERT/CC participated in this exercise as a member of the Japan-UK Blue team. We would like to report on the event. Scene of participation by the Japanese and British teams(Source: https://twitter.com/ModJapan_jp/status/1517113397745426439) The purpose of participating in Locked Shields was to deepen...

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  • Trends of Reported Phishing Sites and Compromised Domains in 2021 Incident
    中井 尚子(Shoko Nakai)

    中井 尚子(Shoko Nakai)

    May 25, 2022
    Trends of Reported Phishing Sites and Compromised Domains in 2021
    JPCERT/CC received 44,242 incident reports in 2021 and of that 23,104 ...

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  • Analysis of HUI Loader Malware
    朝長 秀誠 (Shusei Tomonaga)

    朝長 秀誠 (Shusei Tomonaga)

    May 19, 2022
    Analysis of HUI Loader
    To conceal malware’s features, attackers sometimes encode the malware and decode it only when they execute it. In such cases, the encoded malware is loaded and executed by a program called loader. In this way, an attacker can split the malware into a loader and encoded malware. Minimizing the loader’s features and hiding important features of the malware make detection on infected hosts more difficult. Among such loaders, this article...

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  • ICS Security Conference 2022 Event
    河野 一之 (Kazuyuki Kohno)

    河野 一之 (Kazuyuki Kohno)

    April 7, 2022
    ICS Security Conference 2022
    JPCERT/CC held ICS Security Conference 2022 on February 3, 2022. The purpose of the conference is to share the current status of threats in ICS both in Japan and abroad as well as efforts by ICS security stakeholders. It also aims to help participants improve their ICS security measures and establish best practices. The conference has been held annually since 2009, and this year’s was the 14th conference. The event...

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  • JSAC 2022 -Day 2- JSAC
    寺本 健悟(Kengo Teramoto)

    寺本 健悟(Kengo Teramoto)

    March 22, 2022
    JSAC 2022 -Day 2-
    This blog post focuses on the Day 2 of JSAC2022, following the previous report on the Day 1.An Introduction to macOS Forensics with Open Source SoftwareSpeaker: Minoru Kobayashi (Internet Initiative Japan Inc.)SlidesVideoMinoru provided the basic knowledge of macOS forensics, and its analysis methods using mac_apt, followed by hands-on training on macOS forensics.He mentioned that when it comes to forensics, information is acquired and analysed at the same priority as macOS...

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  • JSAC 2022 -Day 1- Event
    岩崎 照平(Shohei Iwasaki)

    岩崎 照平(Shohei Iwasaki)

    March 22, 2022
    JSAC 2022 -Day 1-
    JPCERT/CC held JSAC2022 online on January 27, 2022. The purpose of this conference is to raise the knowledge and technical level of security analysts in Japan, and we aimed to bring them together in one place where they can share technical knowledge related to incident analysis and response. This year was the fifth time the conference was held. 9 presentations and 2 workshops, selected from 18 CFP and CFW submissions,...

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Categories

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Authors

  • 鹿野 恵祐 (Keisuke Shikano)
  • 関口 晃弘 (Akihiro Sekiguchi)
  • 衛藤 亮介 (Ryosuke Eto)
  • 福本 郁哉(Ikuya Fukumoto)
  • 田中 信太郎(Shintaro Tanaka)
  • 渕上侑汰(Yuta Fuchikami)
  • 洞田 慎一 (Shinichi Horata)
  • 河野 一之 (Kazuyuki Kohno)
  • 水野 哲也 (Tetsuya Mizuno)
  • 森 克宏(Katsuhiro Mori)
  • 村上 勇樹(Yuki Murakami)
  • 朝長 秀誠 (Shusei Tomonaga)
  • 川崎 基夫 (moto kawasaki)
  • 岩崎 照平(Shohei Iwasaki)
  • 小宮山 功一朗 (Koichiro Sparky Komiyama)
  • 寺本 健悟(Kengo Teramoto)
  • 増渕 維摩(Yuma Masubuchi)
  • 堀 充孝(Mitsutaka Hori)
  • 喜野 孝太(Kota Kino)
  • 内田 有香子 (Yukako Uchida)
  • 佐條 研(Ken Sajo)
  • 伊藤 智貴 (Tomo Ito)
  • 中野 巧 (Takumi Nakano)
  • 中井 尚子(Shoko Nakai)
  • JPCERT/CC

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