Malicious code in chalk-utils (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector d0fe2974289b691a9f5541068f2e399aecb14a719779202ff5999652ffe351db On npm install, postinstall.js runs a credential and cryptocurrency stealer against the installer's machine. It reads /.npmrc extracting authToken an...

MAL-2026-3755 Malicious code in chalk-utils (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector d0fe2974289b691a9f5541068f2e399aecb14a719779202ff5999652ffe351db On npm install, postinstall.js runs a credential and cryptocurrency stealer against the installer's machine. It reads /.npmrc extracting authToken an...

Kazuar: Anatomy of a nation-state botnet

In this article 1. Delivery 2. Module types 3. Botnet operations 4. Who is Secret Blizzard? 5. Mitigation and protection guidance 6. Microsoft Defender detections Kazuar, a sophisticated malware family attributed to the Russian state actor Secret Blizzard, has been under constant development for...

Kazuar: Anatomy of a nation-state botnet

In this article 1. Delivery 2. Module types 3. Botnet operations 4. Who is Secret Blizzard? 5. Mitigation and protection guidance 6. Microsoft Defender detections Kazuar, a sophisticated malware family attributed to the Russian state actor Secret Blizzard, has been under constant development for...

Malicious code in ms-graph-types (npm)

Two malicious npm packages published by the micresoft account typosquatting "microsoft" are part of a coordinated supply chain attack sharing identical infrastructure with packages published by the superbase account. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at...

Malicious code in supabase-javascript (npm)

Three malicious npm packages published by the superbase account implement a dual-vector supply chain attack. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at .claude/settings and a companion .claude/settings.json that registers the binary as a Claude Code SessionStart hoo...

MAL-2026-3650 Malicious code in microsoft-applicationinsights-common (npm)

Two malicious npm packages published by the micresoft account typosquatting "microsoft" are part of a coordinated supply chain attack sharing identical infrastructure with packages published by the superbase account. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at...

Malicious code in iceberg-javascript (npm)

Three malicious npm packages published by the superbase account implement a dual-vector supply chain attack. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at .claude/settings and a companion .claude/settings.json that registers the binary as a Claude Code SessionStart hoo...

MAL-2026-3652 Malicious code in supabase-javascript (npm)

Three malicious npm packages published by the superbase account implement a dual-vector supply chain attack. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at .claude/settings and a companion .claude/settings.json that registers the binary as a Claude Code SessionStart hoo...

MAL-2026-3648 Malicious code in auth-javascript (npm)

Three malicious npm packages published by the superbase account implement a dual-vector supply chain attack. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at .claude/settings and a companion .claude/settings.json that registers the binary as a Claude Code SessionStart hoo...

MAL-2026-3651 Malicious code in ms-graph-types (npm)

Two malicious npm packages published by the micresoft account typosquatting "microsoft" are part of a coordinated supply chain attack sharing identical infrastructure with packages published by the superbase account. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at...

Malicious code in kaggle-runner (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8dcd49ca70b987b236ba4341d839addfec9afb344e1471195f2f825281092f71 kagglerunner/coordinator.py embeds a bash reverse-shell template rvsstr that connects to vtool.duckdns.org:23454 via ncat with retry/backoff plus a...

MAL-2026-3693 Malicious code in kaggle-runner (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8dcd49ca70b987b236ba4341d839addfec9afb344e1471195f2f825281092f71 kagglerunner/coordinator.py embeds a bash reverse-shell template rvsstr that connects to vtool.duckdns.org:23454 via ncat with retry/backoff plus a...

Malicious code in openai-spellchecker (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 13911c4c1e0334b4e4d972e3b3256a08f8991d3935d74086c252ed085d3984a0 The package hides code to download and execute a next-stage payload, which then communicates with C2 and listens for next code parts. In the analyzed version,...

MAL-2026-3429 Malicious code in openai-spellchecker (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 13911c4c1e0334b4e4d972e3b3256a08f8991d3935d74086c252ed085d3984a0 The package hides code to download and execute a next-stage payload, which then communicates with C2 and listens for next code parts. In the analyzed version,...

MAL-2026-3641 Malicious code in camelotlabs-core (npm)

Five packages camelotlabs-sdk, camelotlabs-core, camelotlabs-config, camelotlabs-worker, and camelotlabs-utils were published to the public npm registry at version 99.0.0 by the actor madman0619 as a dependency confusion attack targeting the internal npm packages of Camelot Labs. The inflated...

MAL-2026-3640 Malicious code in camelotlabs-config (npm)

Five packages camelotlabs-sdk, camelotlabs-core, camelotlabs-config, camelotlabs-worker, and camelotlabs-utils were published to the public npm registry at version 99.0.0 by the actor madman0619 as a dependency confusion attack targeting the internal npm packages of Camelot Labs. The inflated...

Malicious code in test-py-conn (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 7e39e3b24f15db8e5eff412ba6cb217986b6f80b6923712abd1efee4cf79a7ed The code automatically starts a worker designed to survive the exit of the main process. The worker load code from a PYC file which then connects to pre-define...

MAL-2026-3356 Malicious code in test-py-conn (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 7e39e3b24f15db8e5eff412ba6cb217986b6f80b6923712abd1efee4cf79a7ed The code automatically starts a worker designed to survive the exit of the main process. The worker load code from a PYC file which then connects to pre-define...

Attackers adopt JavaScript runtime Bun to spread NWHStealer

In our previous research, we analyzed a Windows infostealer we track as NWHStealer. The attackers behind this stealer are continuously finding new methods to distribute the stealer. During our hunting activities, we noticed how attackers are using a JavaScript runtime called Bun to help distribut...