Daily Edition · Page 5

THE DAILY INDEX

Technology, AI, software, security, crypto and business

ATTACKS & VULNERABILITIES

TLDR InfoSec

PHISHCEPTION - SENDGRID IS ABUSED TO HOST PHISHING ATTACKS IMPERSONATING ITSELF

Netcraft has spotted a new phishing campaign that uses compromised SendGrid accounts to phish for new accounts by emailing users that their account had a payment error or other similar issues. The email is sent from a SendGrid account and uses SendGrid’s tracking links to mask the destination. Users are directed to a JsPen link that obfuscates a script tag which loads a JS file from Azure Front Door that is an obfuscated clone of the SendGrid login page.

CYCODE DISCOVERS A SUPPLY CHAIN VULNERABILITY IN BAZEL

A blog post from Cycode detailing a supply chain vulnerability that it discovered in Bazel. The post begins with an overview of GitHub Custom Actions and then details how Cycode leveraged a custom action in Bazel to achieve remote code execution. The Bazel project included a custom action that passed the user-controlled issue body directly to a bash shell in the GitHub runner which was vulnerable to command injection.

HOW WE WERE ABLE TO INFILTRATE ATTACKER TELEGRAM BOTS

A post from Checkmarx on a technique that it discovered to intercept messages from malicious Telegram bots that attackers utilize for info-stealing operations. Checkmarx's team extracted the bot details from a malicious package. They then utilized the /getUpdates endpoint to retrieve details of a specific message or all messages by looping through message IDs. The post also details two methods for redirecting messages when an attacker utilizes a webhook.

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