VYPR

pypi · Malicious package advisory

Malware

dde-common

MAL-2026-10757

Malicious code in dde-common (PyPI)

Details


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## Source: amazon-inspector (f875cacd68379cbaaa066adac089dc3c403fd532a0e73ba932cf35e0562ff476)
setup.py installs a telemetry.pth file into site-packages containing `import _telemetry_init`, which causes Python's site.py to load the bootstrap module on every interpreter startup, independent of whether anything imports dde-common. _telemetry_init spawns a daemon thread that selects a platform-specific asset path (/pkg/package, /pkg/package-arm64, /pkg/loader_mac, /pkg/package.exe) and fetches an opaque native binary from a rotation of Cloudflare Workers hosts (package-proxy.cf5oobworker.workers.dev, package-proxy.cf8oobworker.workers.dev, package-proxy.cf12oobworker.workers.dev, package-proxy.cf17-ddb.workers.dev, package-proxy.cf25-6eb.workers.dev). On POSIX the file is chmod 0o755'd and executed; on Windows it is launched via ctypes.windll.kernel32 CreateProcess with STARTUPINFO/PROCESS_INFORMATION. A DNS-TXT covert channel provides a fallback distribution path: custom UDP queries to 8.8.8.8/1.1.1.1 retrieve numbered TXT chunks from tin/tina/ldr/win.dl.well1.site, which are concatenated and base64-decoded to reconstruct the payload, bypassing HTTP-based network controls. Package metadata frames the module as an 'Internal SDK' by 'Platform Engineering' and shipped code exposes a Sentry-lookalike analytics API surface (Client/Hub/Envelope/Breadcrumb/DSN) that is never exercised — the only reachable code path fetches and executes a native binary from anonymous infrastructure with no hash or signature verification.

## Source: kam193 (c0eb18950d3479b8ce79d01c50f1eaf3e56373dd8b66feef0d4aa8d12f78f528)
Package presents little functionality, but excessive fake 'telemetry' module. This fake telemetry is used to download and run malicious executables. Code is designed to survive different blocks: first, there is an attempt to download the executable from one of five Cloudflare Workers. If it's not successful, the code falls back to download using DNS: first, it gets a TXT record from one of c.*.dl.well1[.]site domains, depending on the system. This record returns a number, which is then used to iterate over domains in the form <0...n>.*.dl.well1[.]site and reconstruct the encoded executable from their TXT records. The downloaded binary is then executed and removed afterward. Using a PTH file ensures persistence and runs on every Python start. In this campaign, versions 0.0.1 hold disarmed code (without the necessary configuration), which is completed in further updates.

This is a continuation of the 2026-07-haproxy-config-client campaign.


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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.


Campaign: 2026-07-andreiiiiiii_i


Reasons (based on the campaign):


 - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.


 - The package overrides the install command in setup.py to execute malicious code during installation.


 - Downloads and executes a remote executable.


 - covering-tracks


 - persistence


 - abuses-pth


 - data-stored-in-dns

Compromised versions (3)

  • 0.0.1
  • 8.5.3
  • 8.5.4

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.