By David Fiser (Senior Cyber Threat Researcher) Jenkins is a widely used open-source automation server that allows DevOps developers to build, test, and deploy software efficiently and reliably. In order to make the most out of Jenkins’ modular architecture, developers make use of plugins that help extend its core features, allowing them to expand the…
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Despite having an apparent lull in the first half of 2019, phishing will remain a staple in a cybercriminal’s arsenal, and they’re not going to stop using it. The latest example is a phishing campaign dubbed Heatstroke, based on a variable found in their phishing kit code. Heatstroke demonstrates how far phishing techniques have evolved — from merely mimicking legitimate websites and using diversified social engineering tactics — with its use of more sophisticated techniques such as steganography.
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TA505 continues to wreak as much havoc for maximized profits. Still using ServHelper and FlawedAmmyy, they continue to make small changes: targeting other countries, entities, or the combination of techniques used for deployment with each campaign.
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Since it first emerged in 2015, Asruex has been known for its backdoor capabilities and connection to the spyware DarkHotel. However, when we encountered Asruex in a PDF file, we found that a variant of the malware can also act as an infector particularly through the use of old vulnerabilities CVE-2012-0158 and CVE-2010-2883, which inject code in Word and PDF files respectively.
Read More When we first investigated MyKings in 2017, we focused on how the cryptominer-dropping botnet malware used WMI for persistence. Like Mirai, MyKings seems to be constantly undergoing changes to its infection routine. The variant we analyzed for this incident did not just have a single method of retaining persistence but multiple ones, as discussed in the previous section. In addition to WMI, it also used the registry, the task scheduler, and a bootkit — the most interesting of which is the bootkit.
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