Vulnerabilities / Threats

6/7/2018
10:00 AM
50%
50%

7 Variants (So Far) of Mirai

Mirai is an example of the newest trend in rapidly evolving, constantly improving malware. These seven variants show how threat actors are making bad malware worse.
Previous
1 of 8
Next

Change, as we know, is the only constant. Malware – which is evolving rapidly, sprouting new features and functionality, and becoming more difficult to find and eradicate – is no exception to the rule. 

One of the most notable examples is Mirai, botnet malware first described in August 2016. Mirai quickly won notoriety as the engine for some of the largest DDoS attacks seen to date.

Ever since Mirai's author, a hacker going by the handle Anna-Senpai, released the malware's source code less than two years ago, the malware community has been enthusiastically developing new variants. Some change specific IoT devices, some change the purpose of the bots, some combine Mirai with other malware families, and some add new capabilities and functionality. With every new variant, the legacy of Mirai is extended.

With agile discipline spreading to malware, it is useful to look at the evolution of Mirai as an example of what could happen to other malware families. While there is nothing new in malware authors trying to stay ahead of defenders, their methods and the speed with which their new variants are entering the public sphere have become more advanced.

 

Curtis Franklin Jr. is Senior Editor at Dark Reading. In this role he focuses on product and technology coverage for the publication. In addition he works on audio and video programming for Dark Reading and contributes to activities at Interop ITX, Black Hat, INsecurity, and ... View Full Bio

Previous
1 of 8
Next
Comment  | 
Print  | 
More Insights
Comments
Newest First  |  Oldest First  |  Threaded View
Election Websites, Back-End Systems Most at Risk of Cyberattack in Midterms
Kelly Jackson Higgins, Executive Editor at Dark Reading,  8/14/2018
Intel Reveals New Spectre-Like Vulnerability
Curtis Franklin Jr., Senior Editor at Dark Reading,  8/15/2018
Australian Teen Hacked Apple Network
Dark Reading Staff 8/17/2018
Register for Dark Reading Newsletters
White Papers
Video
Cartoon
Current Issue
Flash Poll
Twitter Feed
Dark Reading - Bug Report
Bug Report
Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2018-15504
PUBLISHED: 2018-08-18
An issue was discovered in Embedthis GoAhead before 4.0.1 and Appweb before 7.0.2. The server mishandles some HTTP request fields associated with time, which results in a NULL pointer dereference, as demonstrated by If-Modified-Since or If-Unmodified-Since with a month greater than 11.
CVE-2018-15505
PUBLISHED: 2018-08-18
An issue was discovered in Embedthis GoAhead before 4.0.1 and Appweb before 7.0.2. An HTTP POST request with a specially crafted "Host" header field may cause a NULL pointer dereference and thus cause a denial of service, as demonstrated by the lack of a trailing ']' character in an IPv6 a...
CVE-2018-15492
PUBLISHED: 2018-08-18
A vulnerability in the lservnt.exe component of Sentinel License Manager version 8.5.3.35 (fixed in 8.5.3.2403) causes UDP amplification.
CVE-2018-15494
PUBLISHED: 2018-08-18
In Dojo Toolkit before 1.14, there is unescaped string injection in dojox/Grid/DataGrid.
CVE-2018-15495
PUBLISHED: 2018-08-18
/filemanager/upload.php in Responsive FileManager before 9.13.3 allows Directory Traversal and SSRF because the url parameter is used directly in a curl_exec call, as demonstrated by a file:///etc/passwd value.