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B47/100

Malware · high

Fake security tools on GitHub deliver backdoors and infostealers to professionals

Tier B · Patch this week – Put it in the sprint

Who’s exposed: Cybersecurity professionals downloading fake security tools from GitHub

Tier B because: Exploited in the wild OR public exploit

Reach

Attack

Damage

Fix

Exploited in the wild · Full takeover · Supply chain

The Brief

  • Fake security projects on GitHub are targeting cybersecurity professionals.
  • The infected projects deploy a backdoor and an information-stealer malware.
  • BleepingComputer reported the campaign on 2026-11-06.

Why it matters

Developers and security staff who download security tools from GitHub may be infected with a backdoor and credential-stealing malware, so they should verify tools before running them.

The checklist behind the tier

Checklist · 4 of 10 yes
YesHits tech teamsJudgment: GitHub malicious repos target developers and security pros who download and run these tools.
NoCore infrastructureJudgment: GitHub is only the host; the fake tools are not a compromise of core infrastructure software.
NoPopular toolJudgment: The malicious projects are fakes, not a compromise of a widely used tool or platform.
YesExploited in the wildBleepingComputer: Cybersecurity professionals are being targeted with infected GitHub security projects deploying malware.
NoPublic exploitBleepingComputer excerpt reports no published exploit code or proof-of-concept.
NoRemote, no loginBleepingComputer: Victims must download and run the infected projects, so user interaction is needed.
YesFull takeoverBleepingComputer: The infected projects deploy a backdoor, which gives attackers code execution on victim machines.
NoSecrets exposedBleepingComputer excerpt mentions infostealer deployment but does not state that data was stolen or exposed.
YesSupply chainBleepingComputer: Malicious security projects were published on GitHub, a channel developers trust, to deliver malware.
NoNo fix yetBleepingComputer describes a malware campaign, not a vulnerability, so no patch applies.

Timeline

  1. BleepingComputer reports fake security tools on GitHub pushing backdoors and infostealers

  2. BleepingComputer

    Fake security tools on GitHub push backdoors and infostealers

Source

Fake security tools on GitHub push backdoors and infostealers ↗ BleepingComputer · 20h ago

First seen · 1 source · Full story page · How tiers are decided