Tag: Injection
Need-to-Know Facts CVE-2017-74942 has a CVSS Score of 7.5 (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)3. This vulnerability is the Linux version of WannaCry, appropriately named SambaCry. A malicious Samba client that has write access to a Samba share could use this flaw to execute arbitrary code typically as root. The flaw allows a malicious client to upload a shared library to…
Read MoreThe financial trojan TrickBot has been updating its campaigns and targets since F5 malware researchers started following it in September 2016. This is expected behavior because attackers need to continually update their targets and methods to evade detection. Previously, TrickBot, the successor to Dyre, targeted financial institutions in Europe, Australia, New Zealand, and Canada. TrickBot’s May 2017…
Read MoreIt’s been another banner year for leakers. In May, Wikileaks released the CIA’s Vault7 cyberwarfare documentation,1 and the Shadow Brokers released NSA exploit information, including the Windows EternalBlue2 exploit. EternalBlue was quickly weaponized into the WannaCry ransomware that pummeled the Internet for days. The Petya/NotPetya ransomware hitting Eastern Europe is also reportedly using EternalBlue to infect machines.…
Read MoreFigure 6: Targets by Industry Notable Target Drops European banks have continually been a top target of TrickBot, and although there was growth in targets in that region, Europe stands out more in this configuration because Australia and New Zealand targets dropped off, thereby boosting Europe’s portion of the pie. There were no New Zealand…
Read MoreTrickbot Rapidly Expands its Targets in August, Shifting Focus to US Banks and Credit Card Companies
Figure 13: Top TrickBot C&C hosting networks by ASN owner, geo, and count Conclusion The analyzed configurations initially saw TrickBot shift away from the Nordic countries and into France, Spain, the US, and the UK; it appeared for a time that the targeting of this malware was becoming more focused on fewer countries and more…
Read MoreThis year, it seems like you can hardly turn around without bumping into some commentary on a breach. There’s expert analysis on every blog. The trade press eats up controversy stirred up by responses. Twitter trends. My inbox fills up with quotes and offers to hear more about the breach. It’s all bad news, so…
Read MoreFrom these 49 breaches, it is apparent that the “Information” industry is the most vulnerable by more than double of any other industry. By nature, the “Information” industry has massive amounts of data available to be harvested for resale and other malicious use, as opposed to the relatively small amount of data or high-dollar information…
Read MoreWe also analyzed the primary root causes of the breaches, how that varied in breach remediation costs by industry, and the impact of these breaches on each data type breached on the global scale. The purpose of our analysis was to identify where organizations are most likely to be attacked in a way that…
Read MoreF5 threat researchers have discovered a new Apache Struts campaign. This new campaign is a sophisticated multi-staged attack targeting internal networks with the NSA-attributed EternalBlue and EternalSynergy exploits. We have dubbed the campaign “Zealot” based on the name of the zip file containing the python scripts with the NSA-attributed exploits. As we continue to research…
Read MoreFigure 2: Alternative C&C server address hosted on Pastebin.com One of the challenges that adversaries need to deal with is how to maintain a sustainable C&C infrastructure without being quickly denylisted by enterprise security solutions, or being frequently shut down by ISPs and hosting services following law enforcement and security vendors’ abuse reports. Many…
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