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...

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...

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...

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...

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 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-2026-3651 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...

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 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-2026-3640 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...

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...

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...

InstallFix and Claude Code: How Fake Install Pages Lead to Real Compromise

Targeting multiple industries worldwide, the InstallFix campaign uses fake Claude AI installer pages to trick users into running malware that collects system information, disables security features, achieves persistence, and connects to attacker-controlled C&C servers for additional payloads...