MegaMedusa Machine
MegaMedusa Machine is malware used by the pro-Russia threat group TwoNet to conduct DDoS attacks. Reporting cited in the provided content states that TwoNet first emerged in January and was primarily focused on DDoS activity using MegaMedusa Machine. The malware is specifically associated with TwoNet’s early operations before the group later attempted to rebrand itself as a broader cybercrime operation targeting operational technology and industrial control system organizations. No additional high-confidence technical details, infection vectors, platform specifics, or indicators of compromise for MegaMedusa Machine are provided in the source content.
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Vulnerabilities exploited
1 CVE Mallory has correlated with this family across public research and vendor advisories. Each row links to the full Mallory page for that vulnerability.
It then went on to exploit a vulnerability (CVE-2021-26829, CVSS 5.4), allowing it to deface the HMI login screen, and later carry out its disruptive processes, such as disabling real-time updates.
Groups observed using it
1 distinct threat actor attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.
"TwoNet first popped up in January, primarily focused on DDoS attacks using the MegaMedusa Machine malware, Intel471 said."
Recent activity
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Malware used for distributed denial-of-service (DDoS) attacks, deployed by the TwoNet group.
Malware used by the TwoNet group to conduct distributed denial-of-service (DDoS) attacks.
The version that knows your environment.
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Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.