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Кругосветное путешествие остается заветной мечтой тысяч людей, жаждущих собственными глазами убедиться в небывалом разнообразии человеческой культуры. Что же делать, если финансовые возможности накладывают ограничения на эти стремления? Казино Вулкан 24 запускает турнир «Мировой тур», в котором каждый участник может поближе познакомиться с такими экзотическими странами и континентами, как Китай или Африка. С 3 по 9 июля играйте на деньги в слоты турнира, которые посвящены разным народам, культурам и даже историческим эпохам.

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Каждая ставка от 15 рублей приближает вас к наградам, которых в соревновании ровно 50 тысяч. Лучший игрок получит 15 тысяч, и, возможно, эти деньги станут первым шагом на пути к настоящей кругосветке. On Oct 16th, Sam Edwards and Ioannis Profetis from Rapidity Networks published a report on a new malware they discovered and named “Hajime.” The report came in the aftermath of the release of the Mirai source code and Mirai’s attacks on Krebs and OVH.

Before Hajime was able to make headlines, Mirai was attributed to the attacks that took down Dyn on Oct 21st and lead to a large array of Fortune 500 companies such as Amazon, Netflix, Twitter, CNN, and Spotify being unreachable most of that day. Hajime evaded the attention but kept growing steadily and breeding in silence. Until a few weeks ago, Hajime was not a headline, but rather a subject many researchers were studying and analyzing, trying to uncover the mystery behind its purpose and the intentions of its author.

One week ago, Waylon Grange from Symantec published more quantitative research which assesses the size of the beast. After the report from Sam and Ioannis, which found a vulnerability in the encryption code of the command and control channels, the author of the malware updated his botnet with a newer, improved version that is not vulnerable anymore and adopted the name ‘Hajime’. No attacks have been attributed to Hajime and it doesn’t carry a payload to do so. But it is sophisticated, well designed and flexible enough to be repurposed in the blink of an eye. In my personal opinion, there are enough elements to believe there is a real and present danger in Hajime.

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Hajime has been gaining considerable Io T market share for the last six months. Infection attempts by Hajime account for nearly 50% of the Io T bot activity in our honeypots. In a timespan of a little over five weeks, we counted almost 15,000 infection attempts from more than 12,000 unique IPs.

We discovered that upon infecting, the Hajime bot sometimes leverages other infected nodes to download its malware, which increased our coverage and brought the current total number of unique infected IPs we could identify to almost 19,000. The above graph shows the geographic spread of the botnet.   Every dot accounts for a unique IP we were able to identify as an infected device.  

In terms of infected countries, Vietnam is leading with Brazil, Iran, and Turkey following closely – but it being a global threat, most countries with well-established internet take a fair share of the infection pie. Hajime is a sophisticated, flexible, thoughtfully designed and future-proof Io T botnet.

It is capable of updating itself and provides the ability to extend its member bots with ‘richer’ functionality efficiently and fast. The distributed bot network used for command and control and updating is overlayed as a trackerless torrent on top of the well-known public Bit Torrent peer-to-peer network using dynamic info_hashes that change on a daily basis. All communications through Bit Torrent are signed and encrypted using RC4 and private/public keys.

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The current extension module provides scan and loader services to discover and infect new victims. The efficient SYN scanner implementation scans for new victims through open ports TCP/23 (telnet) and TCP/5358 (WSDAPI). Upon discovering open Telnet ports, the extension module tries to exploit the victim using brute force shell login much the same way Mirai did. For this purpose, Hajime uses a list consisting of the 61 factory default passwords from Mirai and adds two new entries ‘root/5up’ and ‘Admin/5up,’ which are factory defaults for Atheros wireless routers and access points. In addition, Hajime is capable of exploiting ARRIS modems using the password-of-the-day “backdoor” with the default seed as outlined here. Hajime does not rashly follow a fixed sequence of credentials, from our honeypot logs we could conclude that the credentials used during an exploit change depending on the login banner of the victim. In doing so, Hajime increases its chances of successfully exploiting the device within a limited set of attempts and avoid the system account being locked or its IP being blacklisted for a set amount of time.

Upon execution, Hajime prevents further access to the device through filtering ports known to be abused by Io T bots such as Mirai: • TCP/23 (telnet) – the primary exploit vector of Mirai and most Io T botnets • TCP/7547 (TR-069) – as first used in the DT attack by a Mirai variant • TCP/5555 (TR-069) – alternate port commonly used in TR-069 • TCP/5358 (WSDAPI) – see separate section at the end about WSDAPI At the same time, Hajime also tries to remove existing firewall rules with the name ‘CWMP_CR’. CWMP refers to the CPE WAN Management Protocol or TR-069.