List of “2024”

  • JSAC2024 -Workshop & Lightning talk- Event
    JSAC2024 -Workshop & Lightning talk-
    We continue to introduce the talks at JSAC2024. This third issue covers workshops and lightning talks. Workshop Introduction to Investigation of Unauthorised Access to Cloud Speakers: Hayate Hazuru and Takahiro Yamamoto (ITOCHU Cyber Intelligence Inc.), Norihide Saito (Flatt Security Inc.), Daisuke Miyashita (Sterra Security Co.,Ltd.) Hayate, Takahiro, Norihide, and Daisuke explained how the cloud works and the attack methods targeting cloud in their workshop, followed by a log investigation demonstration...

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  • JSAC2024 -Day 2- Event
    JSAC2024 -Day 2-
    This second blog post features the Main Track talks on the Day 2 of JSAC. XFiles: Large-Scale Analysis of Malicious MSIX/APPX Speakers: Kazuya Nomura, Teruki Yoshikawa, Masaya Motoda (NTT Security Japan) Slides (Japanese) The speakers discussed Microsoft’s new packaged files, MSIX and APPX, which have been exploited in recent years in attack campaigns. They explained the points to focus on when analyzing the structure, operation mechanisms, and characteristics of the...

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  • TSUBAME Report Overflow (Oct-Dec 2023) Tags
    TSUBAME Report Overflow (Oct-Dec 2023)
    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 2023. The scan trends observed with TSUBAME sensors in Japan are presented in graphs here . Packets observed from products under development JPCERT/CC analyzes the data collected by TSUBAME on a daily...

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  • JSAC2024 -Day 1- Event
    JSAC2024 -Day 1-
    JPCERT/CC held JSAC2024 on January 25 and 26, 2024. The purpose of this conference is to raise the knowledge and technical level of security analysts, and we aimed to bring them together in one place where they can share technical knowledge related to incident analysis and response. The conference was held for the seventh time and, unlike last year, returned to a completely offline format. 17 presentations, 3 workshops, and...

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  • New Malicious PyPI Packages used by Lazarus Malware
    New Malicious PyPI Packages used by Lazarus
    JPCERT/CC has confirmed that Lazarus has released malicious Python packages to PyPI, the official Python package repository (Figure 1). The Python packages confirmed this time are as follows: pycryptoenv pycryptoconf quasarlib swapmempool The package names pycryptoenv and pycryptoconf are similar to pycrypto, which is a Python package used for encryption algorithms in Python. Therefore, the attacker probably prepared the malware-containing malicious packages to target users' typos in installing Python packages....

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