Category: Chatgpt
The table in Figure 4 shows the top 50 ASNs attacking Australia from Dec 1, 2018 to March 1, 2019 in order of highest to lowest number of attacks. Interestingly, these top 50 networks were split fifty-fifty between ISPs and hosting companies whereas the company types attacking other regions lean heavier towards ISPs. For comparison,…
Read MoreThe following table summarizes the vulnerability impact for each of the tested HTTP/2 implementations: Tested Webserver Test result Mitigation applied following disclosure Apache httpd Stops responding to new requests. The connection never timed out. Patched and allocated CVE-2018-11763 NGINX Consumes 100% of the server CPU resources and makes NGINX respond slower to incoming connections. The…
Read MoreThe table in Figure 4 shows the top 50 ASNs attacking US systems from Dec 1, 2018 to March 1, 2019 in order of highest to lowest number of attacks, the majority of which were ISPs. Interestingly, there are more ASNs on this list from India then any other country, followed by Russia. Three of…
Read MoreInjection Detection Injection vulnerabilities can be detected during development but are more difficult to detect in deployed systems. Because injection flaws can be exploited in any stage of an attack, finding and evaluating their impact depends on context. Often attackers use lower-priority vulnerabilities such as cross site scripting (XSS) to gain an initial foothold to…
Read More(We wanted to give an assessment of JS redirection content, but it was not reachable at the time of writing; we can assume by script name it had an output of a blank page response or other misleading action.) Conclusion Gootkit remains active by maintaining this campaign of redirection. We’ve noticed multiple configurations targeting the…
Read MoreAdvanced Attackers Like criminal actors, state-sponsored actors or APTs often initiate their illicit access campaigns with spear phishing. However, advanced actors have more time and resources on their hands, and can fashion something of value even from apparently useless data. Large caches of innocuous information, such as email addresses, can be used to look for…
Read MoreF5 researchers uncovered a cryptominer campaign delivering new Golang malware that targets Linux-based servers. Golang malware is not often seen in the threat landscape; it was first seen to mid-2018 and has continued throughout 2019. The malware campaign propagates using 7 different methods: 4 web application exploits (2 targeting ThinkPHP, 1 targeting Drupal, and 1…
Read MoreIntro F5 Labs security experts spent a year researching application security. With the increasingly essential role of applications, one major question arises: If organizations don’t understand all the ways attackers can compromise their applications and exploit their data, how can they possibly defend their most critical assets? Join threat researchers Sara Boddy and Ray Pompon…
Read MoreCryptominers are frequently included in recent attack campaigns; if you would like to learn more about cryptominers, please check out some of our previous monthly attack campaign wrap-ups. Conclusion Campaigns aimed at mining cryptocurrency and targeting Oracle WebLogic continue to rise in popularity. This has been fueled in part by the zero-day vulnerability found in…
Read MoreIn-App Testing Since the HSTS and HPKP protocols allow for genuine interception of SSL by trusted certificates, nothing can be done to warn end users that their communications are being intercepted. For those that need to inform their users of interception, in-app testing could be considered. By performing an additional SSL/TLS handshake, using Javascript within…
Read More