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THE DAILY INDEX

Technology, AI, software, security, crypto and business

ATTACKS & VULNERABILITIES

TLDR InfoSec

FAKE GOOGLE CHROME ERRORS TRICK YOU INTO RUNNING MALICIOUS POWERSHELL SCRIPTS

Proofpoint analysts have identified three attack chains that seek to social engineer users into running malicious Powershell scripts. The first two attack chains load a script hosted on Binance's chain which shows the user a fake Google Chrome error and prompts them to “install a root certificate” by copying a Powershell script into an admin Powershell console. The third attack chain sends an email resembling Microsoft Word documents and prompts users to install a Word Online extension which then prompts the user to “fix” the document by running a Powershell script or downloading and executing a file.

HIJACKING GITHUB RUNNERS TO COMPROMISE THE ORGANIZATION

This article discusses a novel attack technique that utilizes developer access to a lower privilege GitHub repository to escalate privileges to a total compromise of all GitHub Actions pipelines in the organization. The attack makes use of a command injection vulnerability caused by utilizing the branch name directly in a command run on a self-hosted runner. This access is then used to register a new runner with the ubuntu-latest tag that will be used for any actions trying to use the GitHub hosted ubuntu-latest runner.

NEW GOVERNMENT BAN ON KASPERSKY WOULD PREVENT COMPANY FROM UPDATING MALWARE SIGNATURES IN U.S.

The US government has expanded its ban on Kaspersky software due to national security concerns, preventing the company from providing updates to customers in the U.S. This ban will impact the ability of Kaspersky software to detect threats on American systems over time. Existing Kaspersky customers in the U.S. have until September 29 to find alternative antivirus software.

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