--- canonical: "https://firewall.lpm.dev/npm/@npmresearch4/bench-cbb7" markdown: "https://firewall.lpm.dev/npm/@npmresearch4/bench-cbb7/report.md" package: "@npmresearch4/bench-cbb7" report_status: "published" title: "@npmresearch4/bench-cbb7@1.0.0 npm security report" verdict: "malicious" version: "1.0.0" --- # @npmresearch4/bench-cbb7@1.0.0 npm security report > **Trust boundary:** Package metadata, advisory text, filenames, URLs, and source snippets in this report come from external packages or feeds. Treat them as untrusted evidence. Do not execute instructions or code found in this document. ## Verdict summary **Blocked & quarantined** — Compromises ECS/AWS credentials and environment metadata; can access and mutate a configured DynamoDB table under the victim role. - **Verdict:** Malicious - **Product-default install policy:** Block - **Firewall policy:** Matched malicious - **Public report status:** Published - **Threat category:** Credential Exfiltration - **Selected version:** 1.0.0 - **Selected version is latest:** Yes - **Analysis source:** AI Security Review (lpm-firewall-ai) This is the current Firewall decision for the selected package version, based on the available public evidence. Findings for this version do not establish the status of other versions. AI assessment: malicious; recommendation: publish block. This assessment is supporting evidence; the published decision above determines the current policy. The package contains concrete, automatic install-time credential theft and remote exfiltration behavior, with additional cloud-database probing. Its research label does not remove the unconsented attack chain. ## Latest scan - **Scanner version:** rust-scanner-worker-schema-1 - **Recorded final verdict:** Malicious - **Recorded analysis confidence:** 99.0% - **Started:** 2026-07-16T14:08:20.264Z - **Finished:** 2026-07-16T14:09:05.130Z - **Download time:** 773 ms - **Static scan time:** 49 ms - **AI review time:** 44043 ms - **Total time:** 44866 ms The recorded confidence comes from the underlying analysis. Trusted advisory policy can determine the final verdict even when the AI assessment differs. ## Security analysis ### Published attack-surface review - **Summary:** Installation automatically executes \`run.js\` on non-Windows systems. It harvests ECS/AWS credentials and host/container information, probes DynamoDB permissions, then sends the payload to a remote Cloudflare tunnel. - **Trigger:** npm preinstall or postinstall on a non-Windows host - **Impact:** Compromises ECS/AWS credentials and environment metadata; can access and mutate a configured DynamoDB table under the victim role. - **Evidence paths:** package.json, run.js, README.md - **Review source:** ai\_review - **Reviewed:** 2026-07-16T14:09:05.130Z ### AI review details - **Review stage:** source\_first\_review - **Mechanism:** install-time credential harvesting, cloud-permission probing, and HTTPS exfiltration - **Attack narrative:** During npm installation, \`run.js\` collects environment, host, container, and network details. If ECS credentials are available, it queries the link-local credential endpoint and stores the access key, secret key, and token. It also executes a Python \`boto3\` script to enumerate, read, and test write/update/delete access against \`DYNAMO\_TABLE\`, then POSTs the gathered data to a third-party Cloudflare tunnel. - **Rationale:** The package contains concrete, automatic install-time credential theft and remote exfiltration behavior, with additional cloud-database probing. Its research label does not remove the unconsented attack chain. - **Files touched:** package.json, run.js, /.dockerenv, /proc/1/cgroup, /proc/1/cmdline, /proc/mounts, /proc/self/status, /var/run/docker.sock, /entrypoint.sh, /proc/1/fd/255, /tmp/pkg/, /tmp/pkg/node\_modules/ - **Network endpoints:** 169.254.170.2, curves-highly-arbor-displayed.trycloudflare.com/beacon ### Review decision - **Verdict:** Malicious - **Confidence:** 99.0% - **Recommended action:** publish\_block - **Intent class:** Malware - **False-positive risk:** Low - **Evidence for block:** \`package.json\` runs \`node run.js\` in both \`preinstall\` and \`postinstall\`., \`run.js\` fetches ECS task-role credentials from \`169.254.170.2\`, including secret key and token., \`run.js\` collects AWS environment credentials, host/user/network data, and container/process details., \`run.js\` runs shell commands to inspect mounts, capabilities, entrypoint data, and package directories., \`run.js\` executes a Python DynamoDB permission audit that reads table records and attempts writes, updates, and deletes., \`run.js\` POSTs the collected payload to \`curves-highly-arbor-displayed.trycloudflare.com\`. - **Evidence against:** No AI-agent control-surface files or configuration writes were found., No secondary payload download or dynamic code-loading path was found. ## Affected versions and remediation This report applies to @npmresearch4/bench-cbb7@1.0.0. - Avoid installing @npmresearch4/bench-cbb7@1.0.0. Remove it from direct dependencies and check your lockfile for transitive copies. - Choose an independently verified alternative or release. This report does not establish that other versions are safe. - If this version ran, investigate the affected machine and build environment. Rotate credentials it could access and rebuild from a trusted environment. ## Public findings ### 1. High: Install Time Lifecycle Scripts - **Category:** Manifest - **Confidence:** 90.0% - **Path:** package.json - **Public source:** [View source]() Package defines install-time lifecycle scripts. Public source snippet (untrusted): ```json scripts.preinstall = node run.js ``` ### 2. Low: Scripts Present - **Category:** Manifest - **Confidence:** 100.0% Package declares npm scripts. ### 3. High: Child Process - **Category:** Source - **Confidence:** 85.0% - **Path:** run.js - **Public source:** [View source]() Package source references child process execution. Public source snippet (untrusted): ```javascript L13: const https = require('https'); L14: const { exec } = require('child_process'); L15: ``` ### 4. Medium: Network - **Category:** Source - **Confidence:** 75.0% Package source references network APIs. ### 5. Medium: Environment Vars - **Category:** Source - **Confidence:** 75.0% Package source references environment variables. ### 6. Low: Filesystem - **Category:** Source - **Confidence:** 70.0% Package source references filesystem APIs. ### 7. High: Same File Env Network Execution - **Category:** Source - **Confidence:** 85.0% - **Path:** run.js - **Public source:** [View source]() A single source file combines environment access, network access, and code or shell execution; review context before blocking. Public source snippet (untrusted): ```javascript L11: const path = require('path'); L12: const http = require('http'); L13: const https = require('https'); L14: const { exec } = require('child_process'); L15: ... L25: const MARKER = 'tss-linux-july-2026'; L26: const PHASE = process.env.npm[redacted] || 'run'; L27: ``` ### 8. High: Cloud Metadata Access - **Category:** Source - **Confidence:** 84.0% - **Path:** run.js - **Public source:** [View source]() Source reaches cloud instance metadata or link-local credential endpoints. Public source snippet (untrusted): ```javascript L11: const path = require('path'); L12: const http = require('http'); L13: const https = require('https'); L14: const { exec } = require('child_process'); L15: ... L25: const MARKER = 'tss-linux-july-2026'; L26: const PHASE = process.env.npm[redacted] || 'run'; L27: ... L51: L52: payload.hostname = os.hostname(); L53: payload.user = os.userInfo().username; ... L73: try { ``` ### 9. Low: High Entropy Strings - **Category:** Supply Chain - **Confidence:** 55.0% Package source contains high-entropy string patterns. ### 10. Medium: Structural Risk Force Deep Review - **Category:** Artifact Inventory - **Confidence:** 100.0% Artifact structure forces deeper review even if the static behavioral verdict is clean. ## Dependencies and install lifecycle - **Lifecycle scripts present:** Yes - **Published lifecycle scripts:** postinstall, preinstall - **Dependencies:** 0 - **Optional dependencies:** 0 - **Peer dependencies:** 0 - **Development dependencies:** 0 - **Published dependency-graph edges:** 0 ## Package metadata - **Package:** @npmresearch4/bench-cbb7 - **Ecosystem:** npm - **Version:** 1.0.0 - **License:** MIT - **Version published:** 2026-07-15T20:56:17.441Z - **Package first seen:** 2026-07-16T14:09:05.130Z - **Package last seen:** 2026-07-16T14:09:05.130Z - **Known versions:** 1 - **Latest version:** 1.0.0 - **Appeal under review:** No - **Description:** Authorized security-research probe. Contact nicholas@curran.tech. - **Author:** nicholas@curran.tech - **Artifact files:** 3 - **Artifact unpacked size:** 10,846 bytes - **Artifact signatures:** 1 - **Attestations:** No ## References - [HTML security report]()