{"items":[{"id":"NVI-00009789","kind":"supply_chain_event","title":"Malicious code in wallet-crypto-utils (RubyGems)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rj9g-9jcf-cfww"],"plain_summary":"GitHub lists this malware advisory for wallet-crypto-utils, wallet-crypto-utils, wallet-crypto-utils. 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-5dae292e4d1604deb4e6433a70ba1235"],"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-5dae292e4d1604deb4e6433a70ba1235","url":"https://github.com/advisories/GHSA-rj9g-9jcf-cfww","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rj9g-9jcf-cfww","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:06:53.250Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5dae292e4d1604deb4e6433a70ba1235"],"technology":"wallet-crypto-utils","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (5d4c36227c90b4747bc37eb95200ddf64c2875dd153138bc496b39c1dda564f7)\nThe gem declares a native extension (ext/req_throttle_mini/extconf.rb) that ships no C/C++/Rust sources; the extconf.rb only calls create_makefile('wallet_crypto_utils_native') after a hostile preamble. That preamble decodes a base64 blob and passes the result to eval inside a double-forked detached child. The decoded payload opens a TCP socket to the hardcoded bare IP 45.138.12.177 on port 8089, spawns /bin/sh via IO.popen, and bridges the shell's stdio over the socket with IO.copy_stream in a reconnect loop, yielding an interactive remote shell on the installer's host. Execution is gated behind sandbox/analysis-evasion checks: it skips CI environments, ephemeral/sandbox hostnames, generated analyst usernames, analysis path prefixes, and hosts with short uptime, and only fires when developer artifacts are present on disk (~/.ssh, ~/.gitconfig, ~/.gem/credentials, ~/.bundle, ~/.npmrc). The library file lib/wallet_crypto_utils.rb contains ~707 bytes of base58 helpers that do not require any native code, confirming the extension exists solely to auto-execute the install-time payload. The na","public_affected_ranges":["= 1.0.0"]},{"certainty":"source_listed","source_ids":["sr-5dae292e4d1604deb4e6433a70ba1235"],"technology":"wallet-crypto-utils","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (5d4c36227c90b4747bc37eb95200ddf64c2875dd153138bc496b39c1dda564f7)\nThe gem declares a native extension (ext/req_throttle_mini/extconf.rb) that ships no C/C++/Rust sources; the extconf.rb only calls create_makefile('wallet_crypto_utils_native') after a hostile preamble. That preamble decodes a base64 blob and passes the result to eval inside a double-forked detached child. The decoded payload opens a TCP socket to the hardcoded bare IP 45.138.12.177 on port 8089, spawns /bin/sh via IO.popen, and bridges the shell's stdio over the socket with IO.copy_stream in a reconnect loop, yielding an interactive remote shell on the installer's host. Execution is gated behind sandbox/analysis-evasion checks: it skips CI environments, ephemeral/sandbox hostnames, generated analyst usernames, analysis path prefixes, and hosts with short uptime, and only fires when developer artifacts are present on disk (~/.ssh, ~/.gitconfig, ~/.gem/credentials, ~/.bundle, ~/.npmrc). The library file lib/wallet_crypto_utils.rb contains ~707 bytes of base58 helpers that do not require any native code, confirming the extension exists solely to auto-execute the install-time payload. The na","public_affected_ranges":["> 0"]},{"certainty":"source_listed","source_ids":["sr-5dae292e4d1604deb4e6433a70ba1235"],"technology":"wallet-crypto-utils","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (5d4c36227c90b4747bc37eb95200ddf64c2875dd153138bc496b39c1dda564f7)\nThe gem declares a native extension (ext/req_throttle_mini/extconf.rb) that ships no C/C++/Rust sources; the extconf.rb only calls create_makefile('wallet_crypto_utils_native') after a hostile preamble. That preamble decodes a base64 blob and passes the result to eval inside a double-forked detached child. The decoded payload opens a TCP socket to the hardcoded bare IP 45.138.12.177 on port 8089, spawns /bin/sh via IO.popen, and bridges the shell's stdio over the socket with IO.copy_stream in a reconnect loop, yielding an interactive remote shell on the installer's host. Execution is gated behind sandbox/analysis-evasion checks: it skips CI environments, ephemeral/sandbox hostnames, generated analyst usernames, analysis path prefixes, and hosts with short uptime, and only fires when developer artifacts are present on disk (~/.ssh, ~/.gitconfig, ~/.gem/credentials, ~/.bundle, ~/.npmrc). The library file lib/wallet_crypto_utils.rb contains ~707 bytes of base58 helpers that do not require any native code, confirming the extension exists solely to auto-execute the install-time payload. The na","public_affected_ranges":["= 1.0.3"]}],"null_published_at":"2026-10-31T22:13:39.947Z","source_updated_at":"2026-10-11T15:32:21.000Z","source_disclosed_at":"2026-10-05T18:34:14.000Z","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":"2026-10-31T22:06:53.250Z"}],"next_cursor":null,"snapshot_revision":"42594"}