Tag: Client
On Dec 8, 2017, 4iQ reported the discovery of a database on the dark web containing 1.4 billion credentials—in clear text.1 The fine writers of the aforementioned article note that they’ve “tested a subset of these passwords and most of them have been verified to be true.” 1.4 billion. A standard calculator (like the one…
Read MoreAnything we put online must swim in a sea of enemies. The F5 Labs report, Lessons Learned from a Decade of Data Breaches, revealed that an average breach leaked 35 million records. Nearly 90% of the US population’s social security numbers have been breached to cyber criminals. When confronted by staggering statistics like these, it is…
Read MoreF5 security researchers analyzed the Ramnit banking trojan campaign that was active over the holiday season and discovered it’s not much of a banking trojan anymore. 64% of its targets were retail eCommerce sites, including Amazon.com, Best Buy, Forever 21, Gap, Zara, Carter’s, OshKosh B’gosh, Macy’s, Victoria’s Secret, H&M, Overstock.com, Toys“R”Us, Zappos, and many others.…
Read MoreWe’re celebrating our one-year anniversary here at F5 Labs, the application threat intelligence division of F5! Although F5 researchers have been providing threat-related, F5-specific guidance to our customers for many years through DevCentral, the time was right a year ago today to launch a dedicated website that provides the general public with vendor-neutral, application-focused, actionable…
Read MoreEvery day, your web servers are increasingly being scanned—and likely attacked—by adversaries attempting to gain access to your infrastructure. Between 2015 and 2017, our data partner, Loryka, observed these types of scans grow from 200 per minute to as much as 2,000 per minute. These kinds of attackers are professionals; they do this for a…
Read MoreLast week, a malware campaign targeting Jenkins automation servers was reported by CheckPoint researchers.1 The attackers exploited a deserialization vulnerability2 in Jenkin’s bidirectional channel (CVE-2017-1000353)3 to deploy Monero cryptomining malware that generated an estimated profit of $3 million. Following this disclosure, F5 researchers observed what appears to be the same threat actor group, as they…
Read MoreF5 threat researchers detected attackers actively exploiting the rTorrent client through a previously undisclosed misconfiguration vulnerability and deploying a Monero (XMR) crypto-miner operation. The rTorrent client misconfiguration vulnerabilities include: No authentication required for XML-RPC communication Sensitive XML-RPC method is allowed (direct OS command execution) Attackers are actively exploiting this vulnerability in the wild by scanning…
Read MoreLast week, F5 threat researchers spotted a Monero (XMR) crypto-mining campaign that was taking advantage of a user configuration vulnerability in the rTorrent client, specifically misconfigured XML-RPC functionality. This misconfiguration vulnerability in rTorrent allows an unauthenticated user to execute methods in the rTorrent client using HTTP requests. After deeper analysis of the attack logs, F5…
Read MoreThankfully, this alert was a mistake and there was no real danger, but the incident raises a far broader question: how many of our critical systems are this vulnerable to human error, poor software design, and insufficient security controls, all of which were factors in the HIEMA incident? Many of the real-world systems we depend…
Read MoreIt’s a sad state of Internet affairs when the US government must publish a US-CERT Alert about Russia targeting US entities through negligent network infrastructure misconfigurations.1 In Alert TA18-106A, US-CERT discloses that since 2015, the US government, in partnership with the UK, has been receiving data from numerous sources that “large numbers” of enterprise-class and…
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