smart-contract-security-training

Smart Contract Security Training Hands-on smart contract secu...

GoCaracal Malware Uses Ethereum Smart Contract to Fetch Replacement C2 Address

Threat actors linked by Arctic Wolf to Dark Caracal with medium confidence deployed a previously undocumented Go-based malware framework, GoCaracal , during a June 2026 intrusion at an unnamed communications organization in Venezuela. GoCaracal provides operators with remote shell access and...

curl: --etag-save - truncates append-redirected stdout

Summary saveetag line 267–273 calls fileno, fstat, ftruncatefd, 0 whenever the underlying fd is a regular file. It does not check OutStruct.regularfile, which is FALSE for stdout even when shell-redirected to a file. When --etag-save - is used with append redirection , an HTTP 2xx/3xx response...

BGPay: An Incentive-Compatible Mechanism for BGP Hijack Filtering

BGP hijacking remains a persistent threat as existing defenses, including RPKI/ROV suffer from a fundamental incentive misalignment: the networks best positioned to filter malicious announcements bear operational costs but receive no direct benefit, while the victim prefix owner captures all the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xhci: dbc: Fixed a memory leak in xhciallocdbc If DbC is already in use, the allocated memory for the xhcidbc struct does not get freed before returning NULL, resulting in a memory leak...

MAL-2026-14368 Malicious code in @syncraft-labs/react (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c3986bd05347035d9263c22b871840f19dc42187d3e1719311cb67c6e1ef5cb9 dist/index.js the ESM entry resolved by default by modern bundlers such as Vite, Next.js, and Webpack contains a heavily obfuscated block using...

TraceGrant: A Contract-Governed Security Framework for the Task-Effect Lifecycle of Networked LLM Agents

Networked large language model LLM agents retrieve information from email, cloud storage, calendars, transaction platforms, and Web services to complete multistep tasks that produce persistent external effects. The same content needed for legitimate execution may also contain indirect prompt...

Malicious code in @wizloft/harness (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 3679ede1e874f59f4be963544c3df43069cd335b2f888753b7411e42c7a5d3dd dist/index.js — the package's main/exports entrypoint — presents 200 lines of TypeScript-compiled SDK facade followed by a single 40KB line of...

MAL-2026-14285 Malicious code in @wizloft/harness (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 3679ede1e874f59f4be963544c3df43069cd335b2f888753b7411e42c7a5d3dd dist/index.js — the package's main/exports entrypoint — presents 200 lines of TypeScript-compiled SDK facade followed by a single 40KB line of...

MAL-2026-14286 Malicious code in @wizloft/harness-context (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b0315deb3fb6b42e929a55eafaeaedbf1b428ee8873d4ae31f5ec9956f21b554 dist/index.js the package's declared main contains a heavily obfuscated obfuscator.io-style IIFE appended after the legitimate context-service code. ...

EUVD-2026-59053

In the Linux kernel, the following vulnerability has been resolved: dma-fence: Make dmafencededuparray robust against 0-count input dmafencededuparray returns 1 when called with numfences == 0: the for-loop body never executes, j stays at 0, and the final return ++j yields 1. This contradicts bot...

CVE-2026-72198: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ntfs: reject non-resident records for resident-only attributes The shared lookup-time attribute validator rejects non-resident $FILENAME and $VOLUMENAME records because their formats require resident values and callers handle...

MAL-2026-13985 Malicious code in node-config-svg-contract (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector f73906b728364e1fa1f870bd746a0bec46ed3937ff42eef10bea8389729a86c1 The package advertises itself as an SVG/icon CDN helper but its exported functions getPlugin, setPlugin, and getPluginExten construct a URL at runtim...

Malicious code in node-config-svg-contract (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector f73906b728364e1fa1f870bd746a0bec46ed3937ff42eef10bea8389729a86c1 The package advertises itself as an SVG/icon CDN helper but its exported functions getPlugin, setPlugin, and getPluginExten construct a URL at runtim...

Malicious code in mutex-forge (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector d3e6d6c8a6e7f9463fa8a07604b4699b1dba8415ee6759e3145b0cab183f4421 The package presents itself as a mutex/semaphore library but contains a hidden second-stage loader in lib/Mutex.js. When runExclusive is invoked with...

MAL-2026-13955 Malicious code in mutex-forge (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector d3e6d6c8a6e7f9463fa8a07604b4699b1dba8415ee6759e3145b0cab183f4421 The package presents itself as a mutex/semaphore library but contains a hidden second-stage loader in lib/Mutex.js. When runExclusive is invoked with...

Malicious Package

Overview node-config-svg-contract is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this...

DeadLock Ransomware Uses Polygon Smart Contracts to Make Extortion Infra Harder to Disrupt

The ransomware group known as DeadLock has been observed using decentralized infrastructure to facilitate victim communications and data leak operations in a bid to improve operational resilience. "Its recovery ecosystem combines the Session messaging network with blockchain-backed services that...

Malicious code in plp-contract (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8e3ef373acec23f98bde23ab356fd83a31773db1aa9a01ec2505775893e990fb No install-time, import-time, or runtime code paths were identified that read installer secrets, fetch or execute remote code, relay caller data to...

MAL-2026-13711 Malicious code in plp-contract (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8e3ef373acec23f98bde23ab356fd83a31773db1aa9a01ec2505775893e990fb No install-time, import-time, or runtime code paths were identified that read installer secrets, fetch or execute remote code, relay caller data to...