{"items":[{"id":"NVI-00009669","kind":"supply_chain_event","title":"Malicious code in dex-router-abis (RubyGems)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-j34r-6fqr-vh5p"],"plain_summary":"GitHub lists this malware advisory for dex-router-abis. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-269e4e0f91d515b176283cd6c4684ff6"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-269e4e0f91d515b176283cd6c4684ff6","url":"https://github.com/advisories/GHSA-j34r-6fqr-vh5p","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-j34r-6fqr-vh5p","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:06:23.261Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-269e4e0f91d515b176283cd6c4684ff6"],"technology":"dex-router-abis","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (a8f8b62993678b4f720468a05ef91f6fdcc864dd6be78d1ffc6bd14125f18d8f)\nThe gem's extconf.rb (executed automatically during `gem install`) decodes a base64-encoded Ruby payload and executes it via a double-forked, detached process that sleeps 20-40 minutes before opening a TCP reverse shell from /bin/sh to the hardcoded remote host 45.138.12.177:8089. Execution is gated by environment checks that look for CI/sandbox/analysis indicators and probe for developer-secret artifacts (~/.ssh, ~/.gitconfig, ~/.gem/credentials, ~/.npmrc, ~/.bundle) so the payload fires only on real developer workstations with credentials present. The create_makefile stub in extconf.rb is a cover: no matching native source exists in the gem tree, and README/metadata identify the package as 'bitcoin-rpc-lite' (makefile target bitcoin_rpc_lite_native) while the published gem name is dex-router-abis, indicating a reused dropper template. Installing this gem grants the operator at 45.138.12.177:8089 interactive shell access to the installer's host with access to local SSH keys, RubyGems publishing credentials, and other developer secrets.\n\n---\n\nCredit: [OpenSSF](https://github.com/ossf/mali","public_affected_ranges":["= 0.9.1"]}],"null_published_at":"2026-10-31T22:13:39.928Z","source_updated_at":"2026-10-14T00:32:25.000Z","source_disclosed_at":"2026-10-11T15:31:13.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T22:06:23.261Z"}],"next_cursor":null,"snapshot_revision":"42594"}