Operation Zero Disco: Attackers Exploit Cisco SNMP Vulnerability to Deploy Rootkits


TrendResearch has detected an operation where attackers exploited a Cisco Simple Network Management Protocol (SNMP) vulnerability to install a rootkit on vulnerable network devices.

The SNMP exploit referenced in Cisco’s latest advisory is CVE-2025-20352, which affects both 32-bit and 64-bit switch builds and can result in remote code execution (RCE). The operation targeted victims running older Linux systems that do not have endpoint detection response solutions, where they deployed Linux rootkits to hide activity and evade blue-team investigation and detection. Trend Research investigation also found that attackers used spoofed IPs and Mac email addresses in their attacks.

Read more…
Source: Trend Micro


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • Security company ADT announces security breach of customer data

    August 9, 2024

    Electronic surveillance equipment provider ADT filed a form 8-K with the Security and Exchange Commision (SEC) to report “a cybersecurity incident during which unauthorized actors illegally accessed certain databases containing ADT customer order information.” ADT filed the 8-K on August 7, adding that the incident happened “recently,” but refraining from providing an exact date. The company ...

  • UK police commissioner threatens to extradite, jail US citizens over online posts

    August 9, 2024

    London’s Metropolitan Police chief warned that officials will not only be cracking down on British citizens for commentary on the riots in the U.K., but on American citizens as well. “We will throw the full force of the law at people. And whether you’re in this country committing crimes on the streets or committing crimes from ...

  • JG Summit Holdings probing ‘possible’ cyber attack

    August 9, 2024

    Gokongwei-led conglomerate JG Summit Holdings Inc. is investigating an alleged cybersecurity attack which was claimed to have affected thousands of the company’s computers. RansomHub, which was supposedly responsible for the attack, expressed frustration over being ignored by JG Summit and was threatening to initiate additional attacks if its demands were not met, according to Deep Web ...

  • Royal Ransomware Actors Rebrand as “BlackSuit”

    August 8, 2024

    The FBI and CISA recently published an update to the joint Cybersecurity Advisory “#StopRansomware: Royal Ransomware.” The updated advisory provides network defenders with recent and historically observed tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) associated with BlackSuit variants (previously Royal). FBI investigations identified these TTPs and IOCs as recently as July 2024. See ...

  • UK: Woman arrested for ‘sharing inaccurate information about identity of Southport attacker’

    August 8, 2024

    A woman has been arrested in relation to a social media post containing ‘inaccurate information about the identity of the attacker’ in the Southport stabbings. The 55-year-old woman from near Chester, was arrested on Thursday (August 8). She was taken into custody on suspicion of publishing written material to stir up racial hatred and false communications. ...

  • Russia: Massive DDoS attack on Kursk Region repelled

    August 8, 2024

    The Ministry of Digital Development, Communications and Mass Media of the Russian Federation has reported that a massive distributed denial-of-service (DDoS) attack on the Kursk Region’s local services has been successfully thwarted. “A massive DDoS attack on the regional services of the Kursk Region has been repelled and specialists have already restored all online activity,” the ...