Tag: Malware
Mirai is an IoT botnet (or thingbot) that F5 has discussed since 2016. It infamously took down large sections of the Internet in late 2016 and has remained active ever since. Its source code was released online in September 2016, allowing unskilled attackers to create a malicious botnet with relative ease. Mirai continues to target…
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 MoreWherever there is Internet, there are businesses looking to take advantage of the twenty-first century gold rush: data collection. Cybercrime is no exception. Attackers focus on breaching applications to collect data on Internet users and then monetize that data in darknetAn encrypted network that runs on the Internet, enables users to remain anonymous, and requires…
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 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…
Read More
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 MoreSo How Good Are Sectors for Predicting Risk? Based on these analyses, it appears that the answer is “not bad, but it depends.” On one hand, we can identify specific patterns that seem to map to characteristics about those sectors. We already knew that the Retail Trade sector is heavily targeted by attacks that are…
Read MoreAttackers are always on the lookout to compromise digital identities. A successful account takeover allows a cybercriminal to impersonate a genuine user for monetization purposes. Enterprises large and small have utilized various means to secure someone’s digital identity, and credentials are the starting point. F5 Labs 2021 Credential Stuffing Report indicates that 1.8 billion credential…
Read MoreIt’s that special time of year again! In perhaps the most festive of all end-of-the-year traditions, the cyber security community tries to predict the next big scary incident which will make headlines in the new year. At the risk of sounding cynical, building strategies to respond to cyber security threats are a bit like New…
Read MoreMitigating FluBot David Warburton, principal threat research evangelist with F5 Labs, offers the following suggestions for mitigating FluBot. Prevent FluBot relies on tricking the user into downloading a trojan hosted on an attacker-controlled server. Android phones will, by default, prevent installation from outside of the Google Play store, though attackers know this and coach the…
Read More