List of “JPCERT/CC”

  • SysmonSearch v2.0 Released SysmonSearch
    SysmonSearch v2.0 Released
    SysmonSearch is a tool developed by JPCERT/CC to analyse event logs generated on Sysmon (a Microsoft tool). https://github.com/JPCERTCC/SysmonSearch SysmonSearch is now compatible with Elastic Stack 7.x. Please note that the new version no longer supports Elastic Stack 6.x versions. This article introduces the new version of SysmonSearch, changes from the previous versions and new functions. Elastic Stack updates Kibana There was a change in Kibana plug-in due to the updates...

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  • MalConfScan with Cuckoo: Plugin to Automatically Extract Malware Configuration Python
    MalConfScan with Cuckoo: Plugin to Automatically Extract Malware Configuration
    In malware analysis, extracting the configuration is an important step. Malware configuration contains various types of information which provides a lot of clues in incident handling, for example communication details with other hosts and techniques to perpetuates itself. This time, we will introduce a plugin “MalConfScan with Cuckoo” that automatically extracts malware configuration using MalConfScan (See the previous article) and Cuckoo Sandbox (hereafter “Cuckoo”). This plugin is available on GitHub....

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  • Spear Phishing against Cryptocurrency Businesses Malware
    Spear Phishing against Cryptocurrency Businesses
    As of June 2019, JPCERT/CC has observed targeted emails to some Japanese organisations. These emails contain a URL to a cloud service and convince recipients to download a zip file which contains a malicious shortcut file. This article will describe the details of the attack method. How the VBScript downloader is launched The zip file downloaded from the URL in the email contains a password-protected decoy document and a shortcut...

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  • Cyber Security First Step for Industrial IoT Other
    Cyber Security First Step for Industrial IoT
    Greetings. This is Aki Hitotsuyanagi from ICS Security Response Group. Today, I would like to introduce to you our new document, “Cyber Security First Step for Introducing IIoT to the Factory -Security Guide for Businesses Implementing IIoT-“.The original Japanese version of this document was released August 2018 and has been receiving favorable reviews. IIoT, or Industrial Internet of Things refers to use of IoT in industrial sectors. For example, using...

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  • Japan Security Analyst Conference 2019 -Part 2- Event
    Japan Security Analyst Conference 2019 -Part 2-
    Following the JSAC2019 Part 1, this article will provide overview of the latter half of the conference. We also uploaded the photos from the conference on Flickr. “Sextortion Spam Demanding Cryptocurrency” by Chiaki Onuma (Kaspersky) Presentation material (Japanese) Sextortion spam is a campaign distributing spam emails in which adversaries aim to extort money (e.g. bitcoin) by threatening recipients by means of sexual contents. Ms. Onuma shared the outcome of her...

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  • Japan Security Analyst Conference 2019 -Part 1- Event
    Japan Security Analyst Conference 2019 -Part 1-
    JPCERT/CC organised Japan Security Analyst Conference 2019 (JSAC2019) on 18 January 2019 in Ochanomizu, Tokyo. This conference targets front-line security analysts who deal with cyber incidents on a daily basis, with an aim to create a venue for sharing technical information which helps them better handle ever-evolving cyber attacks. This is the second run of the event following the first one in 2018, and 291 participants attended. In this event,...

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  • Investigate Suspicious Account Behaviour Using SysmonSearch Forensic
    Investigate Suspicious Account Behaviour Using SysmonSearch
    In a past article in September 2018, we introduced a Sysmon log analysis tool "SysmonSearch" and its functions. Today, we will demonstrate how this tool can be used for incident investigation by showing some examples. To install SysmonSearch, please see the following page: JPCERTCC GitHub · SysmonSearch Wiki https://github.com/JPCERTCC/SysmonSearch/wiki The case study was conducted in the following environment: Sysmon 7.0.1 ElasticSearch 6.2.2 Kibana 6.2.2 Winlogbeat 6.2.2 Browser: Firefox Example of...

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  • Visualise Sysmon Logs and Detect Suspicious Device Behaviour -SysmonSearch- Forensic
    Visualise Sysmon Logs and Detect Suspicious Device Behaviour -SysmonSearch-
    In recent sophisticated cyber attacks, it is common to observe lateral movement, where a malware- infected device is used as a stepping stone and further compromise other devices in the network. In order to investigate the compromised devices, it is necessary to retain detailed logs of the applications that run on the device on a daily basis. One of the well-known tools for this purpose is Sysmon [1] from Microsoft,...

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  • Volatility Plugin for Detecting Cobalt Strike Beacon Malware
    Volatility Plugin for Detecting Cobalt Strike Beacon
    JPCERT/CC has observed some Japanese organisations being affected by cyber attacks leveraging “Cobalt Strike” since around July 2017. It is a commercial product that simulates targeted attacks [1], often used for incident handling exercises, and likewise it is an easy-to-use tool for attackers. Reports from LAC [2] and FireEye [3] describe details on Cobalt Strike and actors who conduct attacks using this tool. Cobalt Strike is delivered via a decoy...

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  • How to Describe Vulnerability Information? Vulnerability
    How to Describe Vulnerability Information?
    Today, I would like to introduce an activity at the Vulnerability Coordination Group of JPCERT/CC.It is a method to describe a vulnerability using Vulnerability Description Ontology (VDO). JPCERT/CC receives software vulnerability information from domestic and overseas reporters, then coordinates them in between the vendor/developer and the reporter. While there is a vulnerability reporting template, vulnerability itself is described in a free format. Reporter can describe about a vulnerability in a...

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