Latest Threat Research:SANDWORM_MODE: Shai-Hulud-Style npm Worm Hijacks CI Workflows and Poisons AI Toolchains.Details
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timmywil published 4.0.0

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stevemao published 1.3.0

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react-bot published 19.2.4

We protect you from vulnerable and malicious packages

lgblkb-tools

1.0.24

Live on PyPI

Blocked by Socket

This module contains explicit data-exfiltration behavior: a plaintext Telegram bot token and an unconditional upload of a specific local file to a remote Telegram chat when executed. In a repository or dependency this constitutes a high-risk backdoor and credential leak. Treat as malicious/unsafe for reuse in packages; revoke the token and remove or modify the code to require explicit, authenticated configuration before any network file transfer.

vristo-components

0.0.30

by amirzarei

Live on npm

Blocked by Socket

The code exhibits potential malicious behavior, particularly with the use of dynamic function execution and conditional actions based on the user's locale, which can lead to harmful outcomes if exploited.

@stripo/default

263.2.23

by neversummer.69

Live on npm

Blocked by Socket

This code is intentionally obfuscated and uses DNS queries to exfiltrate system information, which could be a significant security risk. The hardcoded domain and the potential data exfiltration raise concerns about privacy violations. This package should be reviewed carefully before being used.

github-badge-bot

1.2.0

by kingtiger19990427

Live on npm

Blocked by Socket

This module coordinates a malicious background agent that periodically extracts tokens (Discord tokens implied), verifies them, and exfiltrates them via Telegram. It also provides mechanisms to run as a detached background process and to control execution using a filesystem flag. The code shows clear signs of credential harvesting/exfiltration and stealthy persistence. Do not use this package; inspect and remove it from systems and repositories. The true exfiltration targets and network endpoints are implemented in the dynamically imported modules, which should be considered confirmed malicious given this controller code.

worki

1.0.0

by h0x1-test

Removed from npm

Blocked by Socket

This code is malicious and constitutes a covert DNS-based data exfiltration backdoor. It explicitly harvests environment variables, compresses and encodes them, chunks the payload into DNS-compatible labels, and sends those labels as A-record queries to an attacker-controlled DNS server (165.232.68.239). Do not execute or include this code in any trusted environment; consider it a high-risk supply-chain compromise and treat artifacts and any systems that ran it as potentially compromised.

Live on npm for 5 days, 17 hours and 48 minutes before removal. Socket users were protected even while the package was live.

typhonbreaker

1.0.7.3.1

Live on PyPI

Blocked by Socket

This code is a sandbox-escape / RCE bypass toolkit. It intentionally constructs and executes payloads to restore builtins, import modules, run commands, and read files in restricted Python environments. It should be considered malicious or at minimum highly dangerous for inclusion in dependencies or execution in untrusted contexts. Do not install or run this package in production or on sensitive hosts without thorough review and containment.

fsd

0.1.310

Removed from PyPI

Blocked by Socket

This module zips a local directory and uploads it to a specific S3 bucket. The code contains hardcoded AWS credentials and a hardcoded bucket name, which is a severe security issue and could enable data exfiltration if these credentials are valid. There are additional problems: a likely return-value bug (undefined variable s3_ke), possible insufficient path-safety around symlinks, and verbose logging of paths. There is no evidence of obfuscation or active payloads like reverse shells or eval-based code execution. Treat this package as high-risk until credentials are removed/rotated and the code is corrected and reviewed.

Live on PyPI for 5 days, 6 hours and 29 minutes before removal. Socket users were protected even while the package was live.

aspidites

0.25.4

Live on PyPI

Blocked by Socket

The code implements a high-risk dynamic evaluation pattern by evaluating tokens within the caller’s scope. This creates a strong possibility of arbitrary code execution and data leakage if tokens originate from untrusted inputs. Hardening should include removing eval, replacing with safe resolvers, sandboxing, or strict token whitelisting and restricting scope access. This pattern is unsuitable for trusted libraries exposes in open-source supply chains without significant safeguards.

@blocklet/pages-kit

0.4.12

by wangshijun

Live on npm

Blocked by Socket

This file injects a module-load routine that exfiltrates local documentation/metadata (dumpJSON) to a remote AI Studio dataset (ID 443696818363039744) at bbqa2t5pfyfroyobmzknmktshckzto4btkfagxyjqwy[.]did[.]abtnet[.]io[ ]/api/datasets/443696818363039744/documents. It uses a hard-coded Cookie header containing a login_token JWT and unconditional shouldUpdateKnowledge=true to first GET existing items via GET …?page=1&size=100, then PUT to …/documents/{id}/text or POST to …/documents/text, sending the full serialized dumpJSON as the request body. These automatic side-effects with embedded credentials create a high-risk supply-chain and privacy backdoor and must be removed or gated behind explicit, opt-in credential handling.

ambar-src

5.20.101

by a_awerin

Removed from npm

Blocked by Socket

This file contains a concealed downloader/backdoor: an obfuscated IIFE decodes platform-specific shell commands that fetch and execute remote payloads (URLs embedded in byte arrays). Executing or importing this module will cause the host to run remote commands and possibly install/run binaries. Treat this package as malicious and a critical supply-chain threat — remove and do not run. Investigate systems where this version was installed for executed payloads and persistence.

Live on npm for 8 hours and 6 minutes before removal. Socket users were protected even while the package was live.

@gumtree/ui-library

10.0.0

by mahmoud0x00

Live on npm

Blocked by Socket

The code exhibits malicious behavior by collecting and exfiltrating system information to an external domain using DNS queries. This poses a significant security risk.

ambar-src

11.16.101

by a_awerin

Removed from npm

Blocked by Socket

This file contains a concealed downloader/backdoor: an obfuscated IIFE decodes platform-specific shell commands that fetch and execute remote payloads (URLs embedded in byte arrays). Executing or importing this module will cause the host to run remote commands and possibly install/run binaries. Treat this package as malicious and a critical supply-chain threat — remove and do not run. Investigate systems where this version was installed for executed payloads and persistence.

Live on npm for 13 hours and 19 minutes before removal. Socket users were protected even while the package was live.

biizcd4rts

1.2.0

by 17b4a931

Removed from npm

Blocked by Socket

This code poses a serious security risk and should not be used.

Live on npm for 30 minutes before removal. Socket users were protected even while the package was live.

fca-horizon-remake

4.2.1

by horizonlucius

Removed from npm

Blocked by Socket

The code includes potentially suspicious behavior by sending error details along with environment variables to an external server. This could lead to information leakage. The dynamic fetching of keys from external sources and the use of hardcoded API endpoints are additional concerns. The presence of platform-specific logic to fetch keys might be intended to obfuscate or complicate analysis. Given these points, the code warrants a closer review for potential malicious intent.

Live on npm for 1 hour and 39 minutes before removal. Socket users were protected even while the package was live.

sdk-coin-doge

1.0.0

by string-utils-helper

Removed from npm

Blocked by Socket

The code poses a potential security risk due to the execution of `sendSystemData`, which may send system data over the network. The dynamic modification of package files is also suspicious. Further investigation into the `collector` module is necessary to determine the exact nature of `sendSystemData`.

Live on npm for 1 day, 16 hours and 21 minutes before removal. Socket users were protected even while the package was live.

github.com/bishopfox/sliver

v0.0.0-20210407112431-8dccad26561f

Live on Go Modules

Blocked by Socket

This source file implements command-and-control implant handlers that intentionally provide full remote control over command execution, file system read/write/delete, environment disclosure/modification, and data exfiltration. The code contains no access controls or sandboxing and follows symlinks when archiving, increasing the risk of unintended traversal. Treated in isolation, this module is highly dangerous and should only be present in environments where such functionality is explicitly required and authorized (e.g., red-team infrastructure). If found in repositories or dependencies not explicitly labeled as C2/implant tooling, consider it malicious and remove or isolate it.

ailever

0.3.365

Live on PyPI

Blocked by Socket

This script is a high-risk launcher: it unconditionally fetches Python code from a hardcoded remote repo and executes it locally via a shell-invoked Python process while passing unsanitized user inputs directly into the shell command. Even if the upstream repository is currently benign, the pattern enables trivial supply-chain compromise and shell injection. Mitigations: remove runtime download-and-exec; if fetching is necessary, pin and verify cryptographic hashes or signatures, validate content, avoid os.system (use subprocess with argument lists or importlib), sanitize inputs, and add error handling and logging. Treat this module as unsafe in security-sensitive environments until hardened.

fabrice

1.1.3

Removed from PyPI

Blocked by Socket

The code exhibits clear malicious behavior, including downloading and executing scripts from an untrusted source, obfuscation, and data exfiltration. It poses a significant security risk.

Live on PyPI for 6 days, 10 hours and 38 minutes before removal. Socket users were protected even while the package was live.

muaddib-scanner

2.2.11

by dnszlsk

Live on npm

Blocked by Socket

This code is malicious: it intentionally reads a sensitive local file and exfiltrates its contents by encoding chunks into DNS queries to an attacker-controlled domain. Treat as a high-risk backdoor/exfiltration component; remove and investigate affected hosts. Patch systems to block or monitor suspicious outbound DNS queries and audit execution context that ran this code.

rr_backend_common

1.0.3

by mj16998

Removed from npm

Blocked by Socket

The code contains sensitive hardcoded credentials, posing a significant security risk if the information is valid. There is no evidence of malware or intentional obfuscation.

Live on npm for 1 hour and 33 minutes before removal. Socket users were protected even while the package was live.

oicq

2.3.0

by takayama

Live on npm

Blocked by Socket

This code contains a critical command injection vulnerability that allows arbitrary code execution through the audioTrans function. While the messaging functionality appears legitimate, the security flaws effectively turn this into a potential backdoor when exploited. The combination of command injection, path traversal, and unrestricted network access creates multiple high-impact attack vectors.

tx.orm.ui

1.0.2.11

by TianTeng

Live on NuGet

Blocked by Socket

This assembly contains a heavily obfuscated runtime loader/anti-tamper module that reads encrypted embedded resources, verifies signatures/time checks, allocates executable memory, writes bytes into process memory (including via VirtualAlloc/WriteProcessMemory and /proc/self/mem), patches runtime/JIT entrypoints and creates dynamic delegates — effectively unpacking and executing code in-memory. Those are high-risk behaviors for a library (and strongly resemble packer/protector or malicious loader functionality). Unless you explicitly expect a native protector/packer from a trusted vendor, consider this code malicious or at least unacceptable for use in trusted environments. Remove or replace it, and treat artifacts as potentially hostile.

azure-graphrbac

3.5.0

Removed from npm

Blocked by Socket

The source code exhibits behaviors consistent with data exfiltration, including sending system information and project data to external servers. This poses a significant security risk and is indicative of malicious intent.

Live on npm for 31 minutes before removal. Socket users were protected even while the package was live.

vy

3.10.0

Removed from PyPI

Blocked by Socket

This module is not obfuscated and shows no explicit backdoor or exfiltration code, but it performs many shell-based filesystem operations using user-controlled strings with shell=True and insufficient sanitization — creating high risk of command injection and accidental or malicious destructive actions (rm -fr, mv, cp). Treat this code as unsafe for use in untrusted contexts; it should be refactored to avoid shell=True, use list-argument subprocess calls, and properly validate/escape inputs before filesystem operations.

Live on PyPI for 5 days, 17 hours and 13 minutes before removal. Socket users were protected even while the package was live.

mtxp

0.0.9

Live on PyPI

Blocked by Socket

The script creates a persistent, predictable remote access vector by adding a user with a hardcoded password and by replacing SSH configuration to enable password and root logins and forwarding. This behavior is high-risk and consistent with a backdoor/persistence implant; treat any occurrence as malicious unless used in a tightly controlled, ephemeral testing environment with compensating controls. Do not run this script on production systems; if it has run, assume compromise, remove the user, restore secure SSH configuration, and rotate credentials.

lgblkb-tools

1.0.24

Live on PyPI

Blocked by Socket

This module contains explicit data-exfiltration behavior: a plaintext Telegram bot token and an unconditional upload of a specific local file to a remote Telegram chat when executed. In a repository or dependency this constitutes a high-risk backdoor and credential leak. Treat as malicious/unsafe for reuse in packages; revoke the token and remove or modify the code to require explicit, authenticated configuration before any network file transfer.

vristo-components

0.0.30

by amirzarei

Live on npm

Blocked by Socket

The code exhibits potential malicious behavior, particularly with the use of dynamic function execution and conditional actions based on the user's locale, which can lead to harmful outcomes if exploited.

@stripo/default

263.2.23

by neversummer.69

Live on npm

Blocked by Socket

This code is intentionally obfuscated and uses DNS queries to exfiltrate system information, which could be a significant security risk. The hardcoded domain and the potential data exfiltration raise concerns about privacy violations. This package should be reviewed carefully before being used.

github-badge-bot

1.2.0

by kingtiger19990427

Live on npm

Blocked by Socket

This module coordinates a malicious background agent that periodically extracts tokens (Discord tokens implied), verifies them, and exfiltrates them via Telegram. It also provides mechanisms to run as a detached background process and to control execution using a filesystem flag. The code shows clear signs of credential harvesting/exfiltration and stealthy persistence. Do not use this package; inspect and remove it from systems and repositories. The true exfiltration targets and network endpoints are implemented in the dynamically imported modules, which should be considered confirmed malicious given this controller code.

worki

1.0.0

by h0x1-test

Removed from npm

Blocked by Socket

This code is malicious and constitutes a covert DNS-based data exfiltration backdoor. It explicitly harvests environment variables, compresses and encodes them, chunks the payload into DNS-compatible labels, and sends those labels as A-record queries to an attacker-controlled DNS server (165.232.68.239). Do not execute or include this code in any trusted environment; consider it a high-risk supply-chain compromise and treat artifacts and any systems that ran it as potentially compromised.

Live on npm for 5 days, 17 hours and 48 minutes before removal. Socket users were protected even while the package was live.

typhonbreaker

1.0.7.3.1

Live on PyPI

Blocked by Socket

This code is a sandbox-escape / RCE bypass toolkit. It intentionally constructs and executes payloads to restore builtins, import modules, run commands, and read files in restricted Python environments. It should be considered malicious or at minimum highly dangerous for inclusion in dependencies or execution in untrusted contexts. Do not install or run this package in production or on sensitive hosts without thorough review and containment.

fsd

0.1.310

Removed from PyPI

Blocked by Socket

This module zips a local directory and uploads it to a specific S3 bucket. The code contains hardcoded AWS credentials and a hardcoded bucket name, which is a severe security issue and could enable data exfiltration if these credentials are valid. There are additional problems: a likely return-value bug (undefined variable s3_ke), possible insufficient path-safety around symlinks, and verbose logging of paths. There is no evidence of obfuscation or active payloads like reverse shells or eval-based code execution. Treat this package as high-risk until credentials are removed/rotated and the code is corrected and reviewed.

Live on PyPI for 5 days, 6 hours and 29 minutes before removal. Socket users were protected even while the package was live.

aspidites

0.25.4

Live on PyPI

Blocked by Socket

The code implements a high-risk dynamic evaluation pattern by evaluating tokens within the caller’s scope. This creates a strong possibility of arbitrary code execution and data leakage if tokens originate from untrusted inputs. Hardening should include removing eval, replacing with safe resolvers, sandboxing, or strict token whitelisting and restricting scope access. This pattern is unsuitable for trusted libraries exposes in open-source supply chains without significant safeguards.

@blocklet/pages-kit

0.4.12

by wangshijun

Live on npm

Blocked by Socket

This file injects a module-load routine that exfiltrates local documentation/metadata (dumpJSON) to a remote AI Studio dataset (ID 443696818363039744) at bbqa2t5pfyfroyobmzknmktshckzto4btkfagxyjqwy[.]did[.]abtnet[.]io[ ]/api/datasets/443696818363039744/documents. It uses a hard-coded Cookie header containing a login_token JWT and unconditional shouldUpdateKnowledge=true to first GET existing items via GET …?page=1&size=100, then PUT to …/documents/{id}/text or POST to …/documents/text, sending the full serialized dumpJSON as the request body. These automatic side-effects with embedded credentials create a high-risk supply-chain and privacy backdoor and must be removed or gated behind explicit, opt-in credential handling.

ambar-src

5.20.101

by a_awerin

Removed from npm

Blocked by Socket

This file contains a concealed downloader/backdoor: an obfuscated IIFE decodes platform-specific shell commands that fetch and execute remote payloads (URLs embedded in byte arrays). Executing or importing this module will cause the host to run remote commands and possibly install/run binaries. Treat this package as malicious and a critical supply-chain threat — remove and do not run. Investigate systems where this version was installed for executed payloads and persistence.

Live on npm for 8 hours and 6 minutes before removal. Socket users were protected even while the package was live.

@gumtree/ui-library

10.0.0

by mahmoud0x00

Live on npm

Blocked by Socket

The code exhibits malicious behavior by collecting and exfiltrating system information to an external domain using DNS queries. This poses a significant security risk.

ambar-src

11.16.101

by a_awerin

Removed from npm

Blocked by Socket

This file contains a concealed downloader/backdoor: an obfuscated IIFE decodes platform-specific shell commands that fetch and execute remote payloads (URLs embedded in byte arrays). Executing or importing this module will cause the host to run remote commands and possibly install/run binaries. Treat this package as malicious and a critical supply-chain threat — remove and do not run. Investigate systems where this version was installed for executed payloads and persistence.

Live on npm for 13 hours and 19 minutes before removal. Socket users were protected even while the package was live.

biizcd4rts

1.2.0

by 17b4a931

Removed from npm

Blocked by Socket

This code poses a serious security risk and should not be used.

Live on npm for 30 minutes before removal. Socket users were protected even while the package was live.

fca-horizon-remake

4.2.1

by horizonlucius

Removed from npm

Blocked by Socket

The code includes potentially suspicious behavior by sending error details along with environment variables to an external server. This could lead to information leakage. The dynamic fetching of keys from external sources and the use of hardcoded API endpoints are additional concerns. The presence of platform-specific logic to fetch keys might be intended to obfuscate or complicate analysis. Given these points, the code warrants a closer review for potential malicious intent.

Live on npm for 1 hour and 39 minutes before removal. Socket users were protected even while the package was live.

sdk-coin-doge

1.0.0

by string-utils-helper

Removed from npm

Blocked by Socket

The code poses a potential security risk due to the execution of `sendSystemData`, which may send system data over the network. The dynamic modification of package files is also suspicious. Further investigation into the `collector` module is necessary to determine the exact nature of `sendSystemData`.

Live on npm for 1 day, 16 hours and 21 minutes before removal. Socket users were protected even while the package was live.

github.com/bishopfox/sliver

v0.0.0-20210407112431-8dccad26561f

Live on Go Modules

Blocked by Socket

This source file implements command-and-control implant handlers that intentionally provide full remote control over command execution, file system read/write/delete, environment disclosure/modification, and data exfiltration. The code contains no access controls or sandboxing and follows symlinks when archiving, increasing the risk of unintended traversal. Treated in isolation, this module is highly dangerous and should only be present in environments where such functionality is explicitly required and authorized (e.g., red-team infrastructure). If found in repositories or dependencies not explicitly labeled as C2/implant tooling, consider it malicious and remove or isolate it.

ailever

0.3.365

Live on PyPI

Blocked by Socket

This script is a high-risk launcher: it unconditionally fetches Python code from a hardcoded remote repo and executes it locally via a shell-invoked Python process while passing unsanitized user inputs directly into the shell command. Even if the upstream repository is currently benign, the pattern enables trivial supply-chain compromise and shell injection. Mitigations: remove runtime download-and-exec; if fetching is necessary, pin and verify cryptographic hashes or signatures, validate content, avoid os.system (use subprocess with argument lists or importlib), sanitize inputs, and add error handling and logging. Treat this module as unsafe in security-sensitive environments until hardened.

fabrice

1.1.3

Removed from PyPI

Blocked by Socket

The code exhibits clear malicious behavior, including downloading and executing scripts from an untrusted source, obfuscation, and data exfiltration. It poses a significant security risk.

Live on PyPI for 6 days, 10 hours and 38 minutes before removal. Socket users were protected even while the package was live.

muaddib-scanner

2.2.11

by dnszlsk

Live on npm

Blocked by Socket

This code is malicious: it intentionally reads a sensitive local file and exfiltrates its contents by encoding chunks into DNS queries to an attacker-controlled domain. Treat as a high-risk backdoor/exfiltration component; remove and investigate affected hosts. Patch systems to block or monitor suspicious outbound DNS queries and audit execution context that ran this code.

rr_backend_common

1.0.3

by mj16998

Removed from npm

Blocked by Socket

The code contains sensitive hardcoded credentials, posing a significant security risk if the information is valid. There is no evidence of malware or intentional obfuscation.

Live on npm for 1 hour and 33 minutes before removal. Socket users were protected even while the package was live.

oicq

2.3.0

by takayama

Live on npm

Blocked by Socket

This code contains a critical command injection vulnerability that allows arbitrary code execution through the audioTrans function. While the messaging functionality appears legitimate, the security flaws effectively turn this into a potential backdoor when exploited. The combination of command injection, path traversal, and unrestricted network access creates multiple high-impact attack vectors.

tx.orm.ui

1.0.2.11

by TianTeng

Live on NuGet

Blocked by Socket

This assembly contains a heavily obfuscated runtime loader/anti-tamper module that reads encrypted embedded resources, verifies signatures/time checks, allocates executable memory, writes bytes into process memory (including via VirtualAlloc/WriteProcessMemory and /proc/self/mem), patches runtime/JIT entrypoints and creates dynamic delegates — effectively unpacking and executing code in-memory. Those are high-risk behaviors for a library (and strongly resemble packer/protector or malicious loader functionality). Unless you explicitly expect a native protector/packer from a trusted vendor, consider this code malicious or at least unacceptable for use in trusted environments. Remove or replace it, and treat artifacts as potentially hostile.

azure-graphrbac

3.5.0

Removed from npm

Blocked by Socket

The source code exhibits behaviors consistent with data exfiltration, including sending system information and project data to external servers. This poses a significant security risk and is indicative of malicious intent.

Live on npm for 31 minutes before removal. Socket users were protected even while the package was live.

vy

3.10.0

Removed from PyPI

Blocked by Socket

This module is not obfuscated and shows no explicit backdoor or exfiltration code, but it performs many shell-based filesystem operations using user-controlled strings with shell=True and insufficient sanitization — creating high risk of command injection and accidental or malicious destructive actions (rm -fr, mv, cp). Treat this code as unsafe for use in untrusted contexts; it should be refactored to avoid shell=True, use list-argument subprocess calls, and properly validate/escape inputs before filesystem operations.

Live on PyPI for 5 days, 17 hours and 13 minutes before removal. Socket users were protected even while the package was live.

mtxp

0.0.9

Live on PyPI

Blocked by Socket

The script creates a persistent, predictable remote access vector by adding a user with a hardcoded password and by replacing SSH configuration to enable password and root logins and forwarding. This behavior is high-risk and consistent with a backdoor/persistence implant; treat any occurrence as malicious unless used in a tightly controlled, ephemeral testing environment with compensating controls. Do not run this script on production systems; if it has run, assume compromise, remove the user, restore secure SSH configuration, and rotate credentials.

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Possible typosquat attack

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Git dependency

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Obfuscated code

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Telemetry

Protestware or potentially unwanted behavior

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Supply chain attacks are on the rise

Attackers have taken notice of the opportunity to attack organizations through open source dependencies. Supply chain attacks rose a whopping 700% in the past year, with over 15,000 recorded attacks.

Nov 23, 2025

Shai Hulud v2

Shai Hulud v2 campaign: preinstall script (setup_bun.js) and loader (setup_bin.js) that installs/locates Bun and executes an obfuscated bundled malicious script (bun_environment.js) with suppressed output.

Nov 05, 2025

Elves on npm

A surge of auto-generated "elf-stats" npm packages is being published every two minutes from new accounts. These packages contain simple malware variants and are being rapidly removed by npm. At least 420 unique packages have been identified, often described as being generated every two minutes, with some mentioning a capture the flag challenge or test.

Jul 04, 2025

RubyGems Automation-Tool Infostealer

Since at least March 2023, a threat actor using multiple aliases uploaded 60 malicious gems to RubyGems that masquerade as automation tools (Instagram, TikTok, Twitter, Telegram, WordPress, and Naver). The gems display a Korean Glimmer-DSL-LibUI login window, then exfiltrate the entered username/password and the host's MAC address via HTTP POST to threat actor-controlled infrastructure.

Mar 13, 2025

North Korea's Contagious Interview Campaign

Since late 2024, we have tracked hundreds of malicious npm packages and supporting infrastructure tied to North Korea's Contagious Interview operation, with tens of thousands of downloads targeting developers and tech job seekers. The threat actors run a factory-style playbook: recruiter lures and fake coding tests, polished GitHub templates, and typosquatted or deceptive dependencies that install or import into real projects.

Jul 23, 2024

Network Reconnaissance Campaign

A malicious npm supply chain attack that leveraged 60 packages across three disposable npm accounts to fingerprint developer workstations and CI/CD servers during installation. Each package embedded a compact postinstall script that collected hostnames, internal and external IP addresses, DNS resolvers, usernames, home and working directories, and package metadata, then exfiltrated this data as a JSON blob to a hardcoded Discord webhook.

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