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darkworm is a cybercriminal actor known for advertising PamDOORa, a Linux PAM-based backdoor, on the Russian-language cybercrime forum Rehub. The tooling is positioned as a post-exploitation implant for Linux x86_64 environments and is designed to provide persistent SSH access through a trigger mechanism involving a magic password and network conditions. PamDOORa also captures credentials from legitimate users authenticating on compromised hosts and includes anti-forensic functionality intended to tamper with authentication logs and conceal malicious activity. Reported features include modular design, anti-debugging measures, network-aware triggers, and a builder pipeline, indicating a comparatively mature operator-oriented capability rather than a simple proof of concept. Deployment of the malware appears to require prior root-level compromise, making it a post-exploitation and persistence mechanism rather than an initial access tool. There is currently no confirmed evidence of real-world intrusions attributed to darkworm using this malware.
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Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Attributed origin per open-source reporting.
16 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
1 malware family attributed to this actor across reporting.
1 indicator attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.
1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
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Domains, IPs, and hashes tied to this actor, refreshed continuously.