Feral Wolf Leverages Confluence and 1C Flaws to Spread GenieLocker Ransomware in Russia

Cyber‑crime group known as Feral Wolf has broadened its ransomware playbook by targeting misconfigured Atlassian Confluence installations and vulnerable 1C:Enterprise environments, gaining footholds in Russian corporate networks before unleashing the GenieLocker ransomware.

Both Confluence, a widely used collaboration platform, and 1C:Enterprise, a popular business‑process suite in the CIS region, are frequently exposed to the internet for remote access. Security researchers have observed that inadequate authentication settings, unpatched software versions, and default credentials create entry points that can be harvested by threat actors without the need for sophisticated exploits.

The campaign was observed from May through August 2026, during which investigators recorded a series of intrusion attempts that followed a consistent pattern: initial compromise of a public‑facing Confluence or 1C server, followed by credential dumping and lateral movement across the victim’s internal network.

Once inside, the attackers deployed a multi‑stage payload. Early tools harvested domain admin accounts and mapped internal assets, after which the GenieLocker ransomware was delivered to critical file shares. In the final stage, encrypted files were left with a ransom note demanding payment in cryptocurrency, typical of the group’s previous operations.

Although exact numbers of affected firms have not been disclosed, the intrusion vector suggests that any organization relying on publicly accessible Confluence or 1C instances in Russia could be at risk. Early reports indicate that several midsize manufacturers and service providers experienced operational downtime while attempting data recovery.

Security firms, including the original reporter GBHackers, have issued advisories urging immediate review of exposed services. Recommendations include enforcing strong authentication, applying the latest vendor patches, restricting internet access to management interfaces, and monitoring for the distinctive file‑encryption signatures associated with GenieLocker.

The incident underscores a growing trend where ransomware groups co‑opt widely deployed enterprise software as a stepping stone rather than developing bespoke exploits. By exploiting common configuration errors, attackers lower the barrier to entry and can scale attacks across multiple sectors with relatively low effort.

Analysts expect that defenders will continue to focus on hardening collaboration and ERP platforms, while law‑enforcement agencies may intensify investigations into the Feral Wolf syndicate. Organizations are advised to conduct regular penetration testing, maintain up‑to‑date inventories of internet‑facing assets, and develop incident‑response plans that specifically address ransomware scenarios.