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Malicious package

wgsfoslistdoc2RubyGems

Advisory published Updated

wgsfoslistdoc2 is a confirmed malicious RubyGems package (MAL-2026-9341) that opens a backdoor for remote access (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in wgsfoslistdoc2 (RubyGems)

MAL-2026-9341
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall wgsfoslistdoc2

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

7abe7d22ef926423b2d3940e897822fc2c5947c4988e7c8c147f695774204ac8
c64acc1cf938d37ab38129f637f938c2f5c0f40bcb59b4ea28e538d6a9dfed37

Detection & response playbook

Backdoor / remote access
  1. Find it

    Search your lockfiles and build artifacts for wgsfoslistdoc2 (version 0.0.1).

  2. If you installed it — respond

    wgsfoslistdoc2 establishes remote access, so treat any host that installed it as fully compromised. Isolate the machine, remove the package, rotate all credentials it could reach, and rebuild from a trusted image rather than cleaning in place — a backdoor may have planted additional persistence.

  3. Did it already run?

    If wgsfoslistdoc2 was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. wgsfoslistdoc2 on RubyGems has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-03992RLUA-2026-09922

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks wgsfoslistdoc2-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the C2 callback and severs the channel.

Explore

wgsfoslistdoc2 (RubyGems) malicious package — MAL-2026-9341 | O3 Security