↓ Pull down to refresh stories
Write Login VI Store
News Devices May 8, 2026, 3:41 PM
Emerging

New Linux PamDOORa Backdoor Uses PAM Modules to Steal SSH Credentials: why this signal is getting harder to ignore

Cybersecurity researchers have disclosed details of a new Linux backdoor named PamDOORa that's being advertised on the Rehub Russian cybercrime forum for $1,600 by a threat actor called "darkworm.". The backdoor is designed as a Pluggable Authentication Module ( PAM )-based post-exploitation toolkit that enables persistent SSH access by means of a magic password and specific TCP port combination. This piece sits on 1 source layers, but the real value is showing why the story should not be skimmed past too quickly.

Cybersecurity researchers have disclosed details of a new Linux backdoor named PamDOORa that's being advertised on the Rehub Russian cybercrime forum for $1,600 by a threat actor called "darkworm.". The backdoor is designed as a Pluggable Authentication Module ( PAM )-based post-exploitation toolkit that enables persistent SSH access by means of a magic password and specific TCP port combination. The signal is strong enough to deserve attention, but it still needs to be read as something developing rather than fully settled.

Quang Huy Devices and Digital Infrastructure Editor
Emerging The topic has initial corroboration, but the newsroom is still waiting on stronger confirmation.
Reference image for: New Linux PamDOORa Backdoor Uses PAM Modules to Steal SSH Credentials: why this signal is getting harder to ignore
Reference image from The Hacker News. The Hacker News

Cybersecurity researchers have disclosed details of a new Linux backdoor named PamDOORa that's being advertised on the Rehub Russian cybercrime forum for $1,600 by a threat actor called "darkworm.". The backdoor is designed as a Pluggable Authentication Module ( PAM )-based post-exploitation toolkit that enables persistent SSH access by means of a magic password and specific TCP port combination. It's also capable of harvesting credentials from all legitimate users who authenticate through the compromised system. The Hacker News is the main source layer for now, and the rest should be read as a signal that is still widening. On the device side, the useful angle is whether a technical change actually alters feel, lifespan, or upgrade cost in real use.

Featured offer

Patrick Tech Store Open the AI plans, tools, and software currently getting the push Jump straight into the store to see what Patrick Tech is pushing right now.

What is happening now

Cybersecurity researchers have disclosed details of a new Linux backdoor named PamDOORa that's being advertised on the Rehub Russian cybercrime forum for $1,600 by a threat actor called "darkworm. The Hacker News form the main source layer behind the core facts in this piece.

Where the sources line up

The Hacker News is the main source layer for now, and the rest should be read as a signal that is still widening. The backdoor is designed as a Pluggable Authentication Module ( PAM )-based post-exploitation toolkit that enables persistent SSH access by means of a magic password and specific TCP port combination. The Hacker News form the main source layer behind the core facts in this piece.

Featured offer

Patrick Tech Store Open the AI plans, tools, and software currently getting the push Jump straight into the store to see what Patrick Tech is pushing right now.

The details worth keeping

It's also capable of harvesting credentials from all legitimate users who authenticate through the compromised system. On the device side, the useful angle is whether a technical change actually alters feel, lifespan, or upgrade cost in real use. The readers who should care most are the ones planning to replace a device, buy an accessory, or upgrade a work setup in the next few months. The next step is to see whether the current signals harden into a durable change or fade as a short-lived experiment.

Why this matters most

The signal is strong enough to deserve attention, but it still needs to be read as something developing rather than fully settled. With 1 source layers on the table, the part worth reading most closely is where firm facts meet the market's early reaction. "The tool, called PamDOORa, is a new PAM-based backdoor, designed to serve as a post-exploitation backdoor, enabling authentication to servers via OpenSSH," Flare. io researcher Assaf Morag said in a technical report.

What to watch next

The next readout is price, device coverage, and whether the change feels real once the hardware reaches users. Patrick Tech Media will keep checking rollout speed, user reaction, and how The Hacker News update the next pieces. From 1 early signals, the piece keeps 1 references that are useful for locking the main details in place.

Context Worth Keeping

Cybersecurity researchers have disclosed details of a new Linux backdoor named PamDOORa that's being advertised on the Rehub Russian cybercrime forum for $1,600 by a threat actor called "darkworm. The backdoor is designed as a Pluggable Authentication Module ( PAM )-based post-exploitation toolkit that enables persistent SSH access by means of a magic password and specific TCP port combination. It's also capable of harvesting credentials from all legitimate users who authenticate through the compromised system. The Hacker News is the main source layer for now, and the rest should be read as a signal that is still widening. On the device side, the useful angle is whether a technical change actually alters feel, lifespan, or upgrade cost in real use. With devices, the real difference rarely lives on the spec sheet; it lives in whether daily use becomes better or more annoying. This is still a developing thread, so the useful part is knowing which source signals are hardening and which ones still need caution.

Source notes

Related stories