Eriksen, C. (2026, March 27). Popular telnyx package compromised on PyPI by TeamPCP. Retrieved July 16, 2026.
Not cited by any technique.
None recorded.
None recorded.
| Technique | Used by | Procedure example |
|---|---|---|
| T1027.003 Steganography |
GroupTeamPCP | TeamPCP has hidden malicious payloads in the frame data of WAV audio files. |
| T1036.005 Match Legitimate Resource Name or Location |
GroupTeamPCP | TeamPCP has cloned GitHub commit metadata including the author name, email, committer, and timestamps to use for impostor commits. TeamPCP has also used legitimate file names such as msbuild.exe and ringtone.wav to mask malicious payloads. |
| T1059.006 Python |
GroupTeamPCP | TeamPCP has poisoned PyPi packages with malicious code and has used a 13 file modular Python framework for data collection. |
| T1078 Valid Accounts |
GroupTeamPCP | TeamPCP has compromised credentials associated with open source security scanning tools and used them to push malicious code to all the resources the tools had access to. |
| T1105 Ingress Tool Transfer |
GroupTeamPCP | TeamPCP has modified legitimate software binaries to retrieve secondary payloads from C2. |
| T1176.002 IDE Extensions |
GroupTeamPCP | TeamPCP has compromised VS Code and Open VSX IDE extensions. |
| T1190 Exploit Public-Facing Application |
GroupTeamPCP | TeamPCP has exploited misconfigurations in GitHub Actions and vulnerabilities such as CVE-2026-33634 in the Aqua Security Trivy scanner and CVE-2025-55182 (React2Shell) against vulnerable cloud endpoints. |
| T1195.001 Compromise Software Dependencies and Development Tools |
GroupTeamPCP | TeamPCP has conducted coordinated supply chain attacks targeting open-source developer infrastructure including the NPM, VS Code, Docker, and PyPi ecosystems to compromise multiple software packages. Aikido TeamPCP Telnyx MAR 2026Aqua Security Trivy Compromise MAR 2026FBI TeamPCP JUL 2026Flashpoint Mini Shai-Hulud MAY 2026Google AI Threat Tracker MAY 2026Hunt.io TeamPCP Toolkit MAY 2026Palo Alto TeamPCP MAR 2026Phoenix TeamPCP 20 MAY 2026Trend Micro TeamPCP MAY 2026Wiz Mini Shai-Hulud MAY 2026Wiz TeamPCP KICS MAR 2026Wiz Trivy Compromise MAR 2026 |
| T1195.001 Compromise Software Dependencies and Development Tools |
MalwareCanisterWorm | CanisterWorm has spread through an automated process that infects and publishes npm packages. |
| T1547.001 Registry Run Keys / Startup Folder |
GroupTeamPCP | TeamPCP has dropped malware into the Windows Startup folder to establish persistence. |
| T1550.001 Application Access Token |
MalwareCanisterWorm | CanisterWorm has leveraged stolen npm tokens to automate compromise by enumerating all publishable packages in a namespace, bumping versions, and publishing itself across the entire scope. |
| T1550.001 Application Access Token |
GroupTeamPCP | TeamPCP has used stolen access tokens to inject malicious code into CI/CD workflows and to exfiltrate sensitive data from cloud, developer, and container environments. |
| T1555.006 Cloud Secrets Management Stores |
GroupTeamPCP | TeamPCP has used malware to exfiltrate cloud secrets from targeted environments including AWS, GCP, and Azure. |
| T1564.001 Hidden Files and Directories |
GroupTeamPCP | TeamPCP has used a hidden .lock file to establish a 12 hour cooldown period between re-drops for installed malware. |
| T1583.006 Web Services |
GroupTeamPCP | TeamPCP has set up Clouflare Tunnels for malware C2. TeamPCP has also used the session messenger network for decentralized, encrypted exfiltration via *.getsession[.]org to recipient ID `05f9e609d79eed391015e11380dee4b5c9ead0b6e2e7f0134e6e51767a87323026`. |
| T1677 Poisoned Pipeline Execution |
GroupTeamPCP | TeamPCP has compromised trusted CI/CD pipelines by injecting credential-stealing payloads into legitimate workflows and software packages including open-source security tools Trivy and KICS, and AI gateway LiteLLM. Aikido TeamPCP Telnyx MAR 2026Aqua Security Blog Trivy Compromise APR 2026Aqua Security Trivy Compromise MAR 2026FBI TeamPCP JUL 2026Flashpoint Mini Shai-Hulud MAY 2026Google AI Threat Tracker MAY 2026Hunt.io TeamPCP Toolkit MAY 2026Palo Alto TeamPCP MAR 2026Phoenix TeamPCP 20 MAY 2026Sysdig TeamPCP MAR 2026Trend Micro TeamPCP MAY 2026Wiz Mini Shai-Hulud MAY 2026Wiz TeamPCP KICS MAR 2026Wiz Trivy Compromise MAR 2026 |
| T1677 Poisoned Pipeline Execution |
MalwareCanisterWorm | CanisterWorm has leveraged stolen tokens from Trivy users to publish itself across over 46 npm packages. |
Data from MITRE ATT&CK® (Enterprise). ATT&CK® is a registered trademark of The MITRE Corporation.