Tag: Cybercrime
There is no cease-fire in the continuing battle against malware. Qbot, a banking trojan malware active since 2008, is back in business with new functions and new stealth capabilities. In the past 12 years, this malware has gone by a handful of names, including Qakbot and Pinkslipbot. Despite all the variations and evolutions, Qbot’s main…
Read MoreHidden Malware, Crouching Ransom One reason ransomware can appear to strike so quickly is because you only notice it once it’s too late. “Just because they’re in your network doesn’t mean you’ll see them,” notes Peck. “Ransomware and attackers often linger long before the ransomware goes active and begins encrypting your data.” The ransomware may…
Read MoreBy now, it is obvious to everyone that widespread remote working is accelerating the trend of digitization in society that has been happening for decades. What takes longer for most people to identify are the derivative trends. One such trend is that increased reliance on online applications means that cybercrime is becoming even more lucrative.…
Read MoreDuring this period, a campaign of blackmail attempts claimed to be from the Russian advanced attacker Fancy Bear. Their attack opened with a small DDoS attack as a demonstration, followed by a payment demand for hundreds of thousands of dollars. Pay up or they will “make sure your services will remain offline until you pay.”…
Read MoreOne wrinkle in the wide-load trucks-on-the-freeway analogy is that at a certain size, UDP packets are too large to transmit without being broken up. So, while the attacker is successful in significantly amplifying the DNS responses, when the packets reach a certain size, they will get fragmented into smaller ones. Either way, the net result…
Read MoreIn the fall of 2020, many countries began to require that travelers test negative for the new coronavirus before crossing their borders. As with anything of value, a black market soon emerged. Travelers could illicitly purchase forged negative COVID-19 test results and try to fake their way through the checkpoint. Goodness knows, we’ve already seen…
Read MoreAccounting for the slight dip in 2019, password login attacks account for 32% of all reported SIRT incidents over the past three years. We also saw how they jumped in 2020, so we did a deeper dive into how these kinds of cyberattacks ramped up during the pandemic. Credential Stuffing Attacks at Financial Services Organizations…
Read MoreThe IcedID malware, also known as Bokbot, is a banking trojan first discovered in 2017 that steals credentials by tricking browser functions into redirecting traffic. It is a stealthy, fileless malware with anti-sandbox capabilities. Previously, F5 Labs analyzed IcedID decompression methods for web injecting relevant files into a target list. This is a much deeper…
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APIs and Sectors As more APIs are published, both by large enterprises who want to make their data more available (such as Google) and by smaller, industry-specific organizations hoping to generate value, some interesting industry patterns are also emerging. Of the organizations for which we had sector information, social networking organizations made up the largest…
Read MorePassword login attacks, especially credential stuffing attacks, are still one of the most common cyberattacks on the Internet. F5 Labs and Shape Security extensively looked at the patterns and trends associated with credential stuffing in the 2021 Credential Stuffing Report. In part 2 of this series on credential stuffing tools and techniques, we dive deeper…
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