Guidance on the 911 S5 Residential Proxy Service


The Federal Bureau of Investigation (FBI), Defense Criminal Investigative Services (DCIS), and Department of Commerce (DOC) are publishing this announcement to notify the public of the dismantlement of the 911 S5 residential proxy service and to help individuals and businesses better understand and guard against 911 S5 proxy service and botnet.

911 S5 began operating in May 2014 and was taken offline by the administrator in July 2022 before rebranding as Cloudrouter in October 2023. 911 S5 was one of the largest residential proxy services and botnet with over 19 million compromised IP addresses in over 190 countries and confirmed victim losses in the billions of dollars.

Read more…
Source: U.S. Federal Bureau of Investigation Cyber Division


Sign up for our Newsletter


Related:

  • SonicWall ‘strongly urges’ customers to patch critical SMA 100 bugs

    December 8, 2021

    SonicWall ‘strongly urges’ organizations using SMA 100 series appliances to immediately patch them against multiple security flaws rated with CVSS scores ranging from medium to critical. The bugs (reported by Rapid7’s Jake Baines and NCC Group’s Richard Warren) impact SMA 200, 210, 400, 410, and 500v appliances even when the web application firewall (WAF) is enabled. The ...

  • Tor blocked in Russia

    December 8, 2021

    The Tor browser, which allows users to surf the internet anonymously and access prohibited webpages, has been blocked across much of Russia, according to recent reports from an internet-monitoring group. The Open Observatory of Network Interference, or OONI, reported last week that Tor’s system of proxy servers in Russia had partly stopped working at around 5:21pm ...

  • Play Your Cards Right: Detecting Wildcard DNS Abuse

    December 1, 2021

    The domain name system (DNS) maps names to addresses so that computers can communicate. The directions within the DNS exist largely in records where a specific name (such as paloaltonetworks.com) is mapped to pieces of data, such as IP addresses (for example, 34.107.151202). As the name suggests, wildcard DNS records are an exception to this ...

  • Web trust dies in darkness: Hidden Certificate Authorities undermine public crypto infrastructure

    November 19, 2021

    Security researchers have checked the web’s public key infrastructure and have measured a long-known but little-analyzed security threat: hidden root Certificate Authorities. Certificate Authorities, or CAs, vouch for the digital certificates we use to establish trust online. You can be reasonably confident that your bank website is actually your bank website when it presents your browser ...

  • FBI: An APT Group Exploiting a 0-day in FatPipe WARP, MPVPN, and IPVPN Software

    November 17, 2021

    As of November 2021, FBI forensic analysis indicated exploitation of a 0-day vulnerability in the FatPipe MPVPN® device software1 going back to at least May 2021. The vulnerability allowed APT actors to gain access to an unrestricted file upload function to drop a webshell for exploitation activity with root access, leading to elevated privileges and ...

  • Security company faces backlash for waiting 12 months to disclose Palo Alto 0-day

    November 12, 2021

    There has been considerable debate within the cybersecurity community about Randori, a security firm that waited one year before disclosing a critical buffer overflow bug it discovered in Palo Alto Networks’ GlobalProtect VPN. The zero-day — which has a severity rating of 9.8 and was first reported by ZDNet — allows for unauthenticated, remote code execution ...