Malicious code in css-nesting-transform (npm)

[email protected] was published to npm on 2026-10-07 01:32 UTC by user brahimhamidi the same account that published [email protected] on 2026-10-06. It is described as a CSS polyfill but contains none: index.js is an empty module byte-identical to the index.js of...

Vidar-Stealer-Reverse-Engineering

Vidar Stealer 2.0 Reverse Engineering Analysis Overview This analysis covers an in-depth reverse engineering of Vidar Stealer 2.0 , a sophisticated information stealer that uses advanced evasion techniques to remain undetected. Key findings include: Task Scheduler Tampering: Modifies system task...

MAL-2026-17804 Malicious code in css-nesting-transform (npm)

[email protected] was published to npm on 2026-10-07 01:32 UTC by user brahimhamidi the same account that published [email protected] on 2026-10-06. It is described as a CSS polyfill but contains none: index.js is an empty module byte-identical to the index.js of...

Eight Malicious npm Packages Downloaded 40,767 Times Deliver Overlord RAT and Stealer

Cybersecurity researchers have disclosed details of a long-running npm supply chain malware campaign that pushes information stealers and remote access trojans RAT to compromised hosts. The campaign has been codenamed MALFEX by CloudSEK and Checkmarx. The activity is assessed to be the work of a...

Hacked Ukrainian Sites Serve Fake Cloudflare ClickFix Lures for Psychedelic Stealer

An active ClickFix campaign has been observed compromising legitimate Ukrainian business websites to inject bogus Cloudflare verification pages and trick victims into downloading a previously undocumented information stealer called Psychedelic. "When a visitor interacts with the page, the lure...

Claimed Bug Bounty Hunter Likely Used LLM to Build PhantomRaven npm Stealer

A financially motivated threat actor has been linked to the development and distribution of a JavaScript JS-based information stealer known as PhantomRaven via the npm package registry. "The developer likely wrote the malware using a large language model LLM, an assessment made with high confiden...

Hunting MacSync Stealer infrastructure through behavioral pivots

In this article 1. Activity overview 2. Discovery of additional rotating infrastructure 3. Attack chain overview 4. Mitigation and protection guidance 5. References 6. Learn more MacSync Stealer is a macOS-focused information stealer that relies on changing infrastructure to deliver payloads,...

16 Typosquatted RubyGems Packages Steal Browser Credentials and Crypto Wallets

Cybersecurity researchers have flagged a new typosquatting campaign targeting RubyGems users with a Windows-based information stealer. OpenSourceMalware, which discovered the activity on August 15, 2026, is tracking the threat under the moniker StubMaker. The complete list of packages published a...

From open lures to cloaked gates: How a macOS ClickFix campaign learned to hide

In this article 1. Activity overview 2. How ClickFix works 3. Campaign overview 4. ClickFix moved from open pages to fingerprinting gates 5. The fingerprinting gate 6. Mitigation and protection guidance 7. Indicators of compromise IOC 8. References 9. Learn more Microsoft Threat Intelligence...

Travelers targeted when logging into hotel Wi-Fi networks

Microsoft has warned that hotel, conference, and other hospitality Wi-Fi networks are being actively abused by a Russian group to target travelers worldwide. The campaign, dubbed "CaptiveCrunch" turns a routine Wi-Fi login moment into an opportunity to compromise corporate accounts and devices...

Malicious code in wacve-utils (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4b2e59800b6fa0d3429fb7bccd34b4ae292dc2668919fba704a7b16ddff71071 On import wacveutils, the package's init.py unconditionally invokes checkforupdates, which HTTP-fetches a hardcoded GitHub Gist under the user...

DPRK-Linked macOS Malvertising Uses Fake Updates to Deliver Crypto-Stealing Malware

Threat actors with ties to North Korea have been attributed to a sophisticated macOS malvertising campaign that involves redirecting users to fake web pages displaying a full-screen non-existent update sequence to deliver malware as part of a new iteration of the long-running Contagious Interview...

Cruciferra Crypter Uses BYOVD and Process Ghosting to Hide Windows Malware

The China-linked cybercrime group behind the use of income tax-related phishing lures targeting Indian taxpayers, tax professionals, and corporate finance teams has been observed using a sophisticated crypter service called Cruciferra. According to a new analysis by Proofpoint, Cruciferra has bee...

Malicious code in trongridmy (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 17d343778bc5b25dea876fcf592e8e0267c3ec189ea931a6c73ab536894aabee Package appears to be designed for private key exfiltration, but no known usage. The name appears to be related to the cryptocurrency TRX Tron / Tronix. Some...

FakeGit Campaign Uses 7,600 GitHub Repositories to Spread SmartLoader Malware

Cybersecurity researchers have discovered nearly 7,600 malicious GitHub repositories, out of which more than 800 pose as artificial intelligence AI skills or Model Context Protocol MCP servers to deliver a malware family known as SmartLoader as part of an ongoing campaign codenamed FakeGit...

ACR Stealer: Two observed intrusion chains amid increased threat activity

In this article 1. Campaign 1: WebDAV-based ClickFix with Python loaders and blockchain C2 2. Campaign 2: MSHTA-initiated PowerShell chain with steganographic payload delivery 3. Mitigation and protection guidance 4. References 5. Learn more From late April 2026 to mid-June 2026, Microsoft Defend...

MAL-2026-10701 Malicious code in discord-telemetry (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 225e2e6a53c221447d09b6259d38d079c519056851186eb72405cb2904072c0b No a static rule matches or traced code paths indicate exfiltration, install-time code execution, credential theft, silent-relay, backdoor, or...

Malicious code in metemask-sdk (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector a99855c93b46f7b996a005065c319bbb24c9d1f497d05dfd38fc83d1b21facdd metemask-sdk is a typosquat of the legitimate metamask-sdk package. On import, the top-level init.py performs an outbound HTTP fetch to...

Malicious code in qlinforge (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 713a696ce725031aab16903d7a29c80611a4c4368c7e35bacf29069a3581c602 setup.py registers a custom install command that, on Linux, downloads an opaque binary from http://115.190.124.243:9090/payloadlinuxamd64 to...

Malicious code in tronpak (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 35790f872dd1f0fa6c17fca434134a08101946af27a0e2b4467e3b362f618e01 Package appears to be designed for private key exfiltration, but no known usage. The name appears to be related to the cryptocurrency TRX Tron / Tronix. Some...