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Customized Backdoor Exploiting Magic Packet Vulnerability in Juniper Routers


Jan 23, 2025Ravie LakshmananMalware / Enterprise Safety

Customized Backdoor Exploiting Magic Packet Vulnerability in Juniper Routers

Enterprise-grade Juniper Networks routers have develop into the goal of a customized backdoor as a part of a marketing campaign dubbed J-magic.

In response to the Black Lotus Labs group at Lumen Applied sciences, the exercise is so named for the truth that the backdoor repeatedly displays for a “magic packet” despatched by the menace actor in TCP site visitors.

“J-magic marketing campaign marks the uncommon event of malware designed particularly for JunoOS, which serves the same market however depends on a special working system, a variant of FreeBSD,” the corporate stated in a report shared with The Hacker Information.

Cybersecurity

Proof gathered by the corporate exhibits that the earliest pattern of the backdoor dates again to September 2023, with the exercise ongoing between mid-2023 and mid-2024. Semiconductor, vitality, manufacturing, and data expertise (IT) sectors had been essentially the most focused.

Infections have been reported throughout Europe, Asia, and South America, together with Argentine, Armenia, Brazil, Chile, Colombia, Indonesia, the Netherlands, Norway, Peru, the U.Okay., the U.S., and Venezuela.

The marketing campaign is notable for deploying an agent after gaining preliminary entry by means of an as-yet-undetermined methodology. The agent, a variant of a publicly obtainable backdoor known as cd00r, waits for 5 totally different pre-defined parameters earlier than commencing its operations.

On the receipt of those magic packets, the agent is configured to ship again a secondary problem, following which J-magic establishes a reverse shell to the IP handle and port specified within the magic packet. This permits the attackers to manage the system, steal information, or deploy extra payloads.

Lumen theorized that the inclusion of the problem is an try on a part of the adversary to stop different menace actors from issuing magic packets in an indiscriminate method and repurpose the J-magic brokers to meet their very own targets.

It is value noting that one other variant of cd00r, codenamed SEASPY, was deployed in reference to a marketing campaign aimed toward Barracuda E-mail Safety Gateway (ESG) home equipment in late 2022.

That stated, there is no such thing as a proof at this stage to attach the 2 campaigns, nor does the J-magic marketing campaign reveal any indicators that it overlaps with different campaigns focusing on enterprise-grade routers equivalent to Jaguar Tooth and BlackTech (aka Canary Storm).

Cybersecurity

A majority of the possibly impacted IP addresses are stated to be Juniper routers appearing as VPN gateways, with a second smaller cluster comprising these with an uncovered NETCONF port. It is believed that the community configuration gadgets might have been focused for his or her capacity to automate router configuration info and administration.

With routers being abused by nation-state actors making ready for follow-on assaults, the newest findings underscore the continued focusing on of edge infrastructure, largely pushed by the lengthy uptime and a scarcity of endpoint detection and response (EDR) protections in such gadgets.

“Some of the notable features of the marketing campaign is the give attention to Juniper routers,” Lumen stated. “Whereas we have now seen heavy focusing on of different networking gear, this marketing campaign demonstrates that attackers can discover success increasing to different system varieties equivalent to enterprise grade routers.”

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