At Grapl we believe that in order to build the best defensive system we need to deeply understand attacker behaviors. As part of that goal we're investing in offensive security research. Keep up with our blog for new research on high risk vulnerabilities, exploitation, and advanced threat tactics.
Over the Memorial Day weekend in the United States, Volexity conducted an incident response investigation involving two Internet-facing web servers belonging to one of its customers that were running Atlassian Confluence Server software. The investigation began after suspicious activity was detected on the hosts, which included JSP webshells being written to disk
We recently began scanning for middlebox devices that are vulnerable to Middlebox TCP reflection, which can be abused for DDoS amplification attacks. Our results are now shared daily, filtered for your network or constituency in the new Vulnerable DDoS Middlebox report. We uncover over 18,800,000 IPv4 addresses responding to our Middlebox probes. In some cases the amplification rates can exceed 10,000!
We have recently began scanning for accessible MySQL server instances on port 3306/TCP. These are instances that respond to our MySQL connection request with a Server Greeting. Surprisingly to us, we found around 2.3M IPv4 addresses responding with such a greeting to our queries. Even more surprisingly, we found over 1.3M IPv6 devices responding as well (though mostly associated with a single AS). IPv4 and IPv6 scans together uncover 3.6M accessible MySQL servers worldwide.
This technical achievement follows a complex investigation involving law enforcement authorities of Australia, Belgium, Finland, Hungary, Ireland, Spain, Sweden, Switzerland, the Netherlands and the United States, with the coordination of international activity carried out by Europol’s European Cybercrime Centre (EC3). The investigation is ongoing to identify the individuals behind this global malware campaign. Here is how FluBot worked First spotted...
In July 2021, CPR released a series of three publications covering different aspects of how the Formbook and XLoader malware families function. We described how XLoader emerged in the Darknet community to fill the empty niche after Formbook sales were abruptly stopped by its author. We did a deep technical analysis followed by a description of XLoader for macOS along with common points and differences in how both malware families conceal the heart of the whole operation, the Command-and-Control (C&C) infrastructure. However, the world does not stand still, and this applies to the malware cyber-world as well.
The Information Commissioner’s Office (ICO) has fined Clearview AI Inc £7,552,800 for using images of people in the UK, and elsewhere, that were collected from the web and social media to create a global online database that could be used for facial recognition.
The ICO has also issued an enforcement notice, ordering the company to stop obtaining and using the personal data of UK residents that is publicly available on the internet, and to delete the data of UK residents from its systems.
Two days ago, Nao_sec identified an odd looking Word document in the wild, uploaded from an IP address in Belarus...
May 2022 Investigative Report Release: Nisos analysts determined that Fronton is a system developed for coordinated inauthentic behavior on a massive scale. Read more.
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Des chercheurs se sont penchés sur ce qui se cachait sous le capot des AirTags et ont voulu voir ce qu'il était possible de faire en bidouillant la petite balise connectée. Ils ont découvert quelques grosses faiblesses qu'Apple aura bien du mal à corriger, sauf en revoyant en profondeur son appareil. Leur compte rendu révèle que l'accessoire est sensible à une attaque par
User tracking technologies are ubiquitous on the web. In recent times web browsers try to fight abuses. This led to an arms race where new tracking and anti-tracking measures are being developed. The use of one of such evasion techniques, the CNAME cloaking technique is recently quickly gaining popularity. Our evidence indicates that the use of the CNAME scheme threatens web security and privacy systematically and in general