Tag: Cybercrime
Overview Blackguard Infostealer is a malware strain that was first discovered infecting Windows devices at the start of 2022. Other security researchers have already documented how the malware operates and its dissemination via underground Russian crimeware forums., This article aims to expand on existing research by exploring its data exfiltration capabilities in greater detail. Blackguard…
Read MoreIntroduction In part one of this two-part series, we define digital identity and explore the attack vectors cybercriminals use at each stage in the identity lifecycle. Everything that we do as individuals has found its way into the digital world. From communicating with friends to purchasing good or services—even getting an education and managing investments…
Read MoreTable 1 shows counts and monthly changes for all of the CVEs we identified in July traffic. CVE Number Count Change in Count (June – July) CVE-2020-8958 8244 3876 CVE-2017-9841 5991 -303 CVE-2020-25078 3739 2821 CVE-2018-10562 3728 2915 CVE-2017-18368 3265 3063 CVE-2019-9082 2508 -278 CVE-2021-3129 2057 -203 CVE-2021-28481 1839 -159 CVE-2022-22947 1330 -128 CVE-2021-22986 447…
Read MoreIntroduction As stories of electronic fraud fill the daily news, we’re still answering the question “What is phishing?” In 2020, it continues to be one of the most prevalent attack types, so let’s look at what phishing is, why it is so successful, and what you can do to avoid becoming a victim. What…
Read MoreBots are not new. Attackers have used bots to achieve scalability in a variety of attack techniques for decades, and defenders have been fighting bots, to varying degrees of success, for just as long. However, two events in 2022—the prolonged acquisition of Twitter by Elon Musk, with its attendant discussion about exactly how much of…
Read MoreIn contrast, identity providers in media, retail, and travel tended to see higher overlap, particularly among bot traffic in the travel industry. (High overlaps for aggregators in media and retail are skewed by a comparatively miniscule number of accounts submitted.) The technology industry showed narrow distributions for all three categories, which partly reflects the fact…
Read MoreWelcome to the dedicated Executive Summary for our 2023 Identity Threat Report. Here we’ve brought together the bullet-list style summary that opens the full report, as well as a few curated selections and charts to get immediately to the “what do I need to know” of it all. And of course, if you want to…
Read MoreNeutral/Mixed Intentions Many of the actors in this system are neither completely benign nor completely malicious. Some of these practices are bifurcated into legal and illegal practices, such as the rather obvious distinction between criminal and benign payment facilitators. Some of these provide services that can genuinely be used either way, such as reshipping services…
Read MoreIntroduction Over the past few months, F5 Labs has presented a series of articles on fake account creation. We’ve covered why fraudsters create fake accounts and how automation is used to create fake accounts at scale. These articles have described how these fake accounts can negatively impact businesses, but also how security professionals identify fake accounts and leverage security controls to stop bots running fake…
Read MoreIntroduction Disclosures of breaches often include mention of a “web shell” to further attacker ends. As one example, the Clop ransomware group (also known as ‘Lace Tempest,’ TA505, and FIN11) has used web shells as part of their attack chains in both the Kiteworks Accellion FTA breach of 2020 and the plethora of breaches related…
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