Hello, this is You ‘Tsuru’ Nakatsuru at Analysis Center. As introduced in the previous blog post, my colleagues presented on the attacks arising in Japan at CODE BLUE 2015, entitled “Revealing the Attack Operations Targeting Japan”. In this entry, I will introduce the details of an IDAPython script “emdivi_string_decryptor.py”, which JPCERT/CC developed to analyse Emdivi, a remote control malware. The script was also introduced in our presentation at CODE BLUE...
List of “JPCERT/CC”
-
-
You may well have heard of the May cyber attack in Japan against the Japan Pension Service – a high-profile case seen in the first half of this year, where 1.25 million cases of personal data was exposed. According to the Japan Pension Service, the data leaked included names and ID numbers, and for some cases, dates of birth and home addresses. The official reports(1) say that the massive leak...
-
Hello, Taki here, and its currently rainy season in Japan. Just recently, I attended the 27th FIRST Annual Conference, held on June 14-19 , 2015 in Berlin – a city that I visited for the first time. (Photo by Hiroshi Kobayashi) I would like to go over some activities that JPCERT/CC was involved in during the conference. This year I attended together with 3 colleagues, Yurie Ito, Koichiro (Sparky) Komiyama...
-
NOTE: This article, originally published on May 28, 2015, was updated as of June 8, 2015 (See below). Just 2 days ago, we published an advisory (in Japanese) on an open proxy issue of a widely used, open source, web browser game utility app called KanColleViewer. The game, Kantai Collection, has explosive popularity. Its official Twitter account has over 1 million followers, and according to its Tweet, the game has...
-
Hello all, this is Yohei Tanaka from Analysis Center. In this article, I will introduce how recent malware tries to trick users with fake thumbnail previews – I hope this information prevents you from encountering troubles. The majority of malware distributed via email nowadays are executable files (.exe) or compressed executable files, rather than document files that attempt to leverage software vulnerabilities. We at JPCERT/CC have seen cases where users...
-
JPCERT/CC has successfully hosted the seventh Control System Security Conference on February 12, 2015 at Kokuyo Hall in Tokyo. The event brought together more than 250 attendees, including a cross-section of engineers/managers of ICS vendors and asset owners. The conference has been held annually since 2009 in order to raise awareness on ICS security issues and share the insights and ideas on ICS security. The program for this year has...
-
NOTE: This article, originally published on 13 February, 2015, was updated as of 12 May, 2015 (See below). Hello all, this is You Nakatsuru (“TSURU”) from Analysis Center again. Today, I would like to describe a new UAC bypass method that has been used by the Dridex malware since December, 2014. Introduction Dridex is a banking trojan, which is a bot that communicates with a CC server through HTTP. Most...
-
Happy New Year 2015 to everyone! I am Toru Yamauchi, Research Director of JPCERT/CC. JPCERT/CC has been contributing to the CSIRT community in Africa in order to enhance the global cybersecurity activity. In the rapid ICT development in Africa, it is getting more important for them to accelerate human development in cybersecurity area and to establish regional cooperation especially among National CSIRTs. I would like to introduce our recent on-site...
-
Hello and Happy Holiday Season to everybody. Taki again, and today I will write about some experiences in product (software, hardware) vulnerability coordination this year. - Introduction - A lot happened this year and I do not have the time to go through everything, but would like to go over some of the major issues that we handled and for those that are not familiar, provide a very brief overview...
-
Hello, this is Osamu from Global Coordination Division. It’s been 2 years since I posted the last article here. Today, I am going to share our experience at the event organized in Thailand last month. In late October, ThaiCERT, a member of ETDA (Electronic Transactions Development Agency), and JPCERT/CC organized an event “Malware Analysis Competition 2014 (MAC 2014)” in Bangkok, Thailand. The event consisted of 3 parts: Basic Malware Analysis...
