TLDR InfoSec

TLDR INFORMATION SECURITY 2024-02-12

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01ATTACKS & VULNERABILITIES

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.

netcraft.com7 min read

JUNIPER SUPPORT PORTAL EXPOSED CUSTOMER DEVICE INFO

The support website for Juniper Networks, a networking equipment vendor, was exposing sensitive customer information including device details, warranty status, service contracts, and serial numbers. The data exposure was the result of a recent upgrade to the support portal. Juniper has since fixed the problem and stated that no identifiable or personal customer data was exposed.

krebsonsecurity.com3 min read

02STRATEGIES & TACTICS

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.

cycode.com9 min read

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.

checkmarx.com5 min read

03LAUNCHES & TOOLS

METARADAR

This app is a tool for analyzing Bluetooth (BLE) environments. It scans for BLE devices in the background, notifying you if the device you are looking for is near you or if some unknown device has been following you for a long time.

github.comGitHub repository

STUNCHECK

StunCheck is a set of tools for scanning, testing, and exploiting STUN and TURN servers.

github.comGitHub repository

JIRA-LENS

Jira-Lens is a fast and customizable Python-based vulnerability scanner for Jira. Jira-Lens performs 25+ checks for vulnerabilities against target Jira servers.

github.comGitHub repository

04MISCELLANEOUS

RASPBERRY ROBIN KEEPS RIDING THE WAVE OF ENDLESS 1-DAYS

Raspberry Robin operators are utilizing fresh 1-day exploits for privilege escalation, suggesting the team has access to exploit sellers or in-house development. The rapidly evolving QNAP malware acts as an initial access vector for payloads like ransomware.

research.checkpoint.com10 min read

BGPWATCH — A COMPREHENSIVE PLATFORM FOR DETECTING AND DIAGNOSING HIJACKING INCIDENTS

BGPWatch is a comprehensive platform built by APNIC for detecting and diagnosing hijacking incidents in BGP routing. It allows users to browse, view, and search for hijack events in real time, providing detailed information about each event. BGPWatch offers routing path analysis and subscription services for operators to monitor via email.

blog.apnic.net7 min read