Tag: Network Denial of Service (T1498)

The Mozi botnet has been documented as able to conduct HTTP, TCP, UDP, and other attacks. More information can be found in the April 2024 Sensor Intel Series article. [back to top] And Another Step Back: Emerging DDoS Attack Vectors HTTP/2 Abuse The relatively new HTTP/2 protocol (new in internet terms, since the protocol is…

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Who Is Scanning for CVE-2023-1389? Back in April, when we first started tracking CVE-2023-1389, we did an analysis of who was scanning for it, and found that the majority of scanning activity was coming from just two ASNs, AS49870 (Alsycon, a hosting provider out of the Netherlands) and AS47890 (Unmanaged Ltd). Running these analyses again,…

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Introduction Last month’s Sensor Intel Series for March 2024 uncovered the explosion in traffic hunting for systems affected by CVE-2023-1389. The flaw which related to TP-Link Archer AX21 Wi-Fi routers has quickly become the new darling of threat actors looking to build out their DDoS botnets. No new signatures have been introduced this month. Instead,…

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