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Date: 08/02/2023
Threat actors are taking advantage of a zero-day vulnerability in Salesforce email services that allows crafted phishing messages to be sent using the Salesforce domain and infrastructure. A recent campaign has targeted Facebook users. Such phishing emails appear to be sent from Meta (Facebook) and aim to trick recipients into clicking a malicious link.
The purpose of the link to direct users to a web page that captures credentials and multifactor authentication codes. Though the current campaign is targeting Facebook users, attackers can use the same process to create any kind of phishing campaign. Because the emails are being sent using the Salesforce domain, they are likely to bypass spam filters.
Ensure users have a heightened awareness of this attack. From a technical perspective, headers can likely be analyzed to identify a phishing email sent using this method. It is also recommended that end users do not reuse corporate passwords for social media or similar accounts.
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A zero-day vulnerability tracked as CVE-2023-35078 was recently disclosed affecting Ivanti Endpoint Manager Mobile (EPMM) versions 11.10, 11.9 and 11.8 (and potentially older versions). Exploitation of the vulnerability allows unauthenticated users full API access through specific API endpoints.
Potential Impact
Malicious actors can extract personally identifiable information (PII) and perform administrative actions, like creating new accounts and making configuration changes. These actions can be performed without needing credentials. Exploitation is more likely to occur if public access to EPMN services is available.
It is recommended to upgrade to the latest version to address the vulnerability. If updates cannot be applied, ensure public access is restricted or removed.
Sources
https://unit42.paloaltonetworks.com/threat-brief-cve-2023-35078/
A study indicates that the most widely used vector for ransomware incidents was via URL or web browsing. According to Palo Alto Networks, about 75% of ransomware delivery was performed via URL of web browsing. This is a change from 2021 where email attachments were the primary delivery method.
It is important to note that ransomware threat actors take steps to prevent sites hosting ransomware from being identified. This includes using multiple URLs to deliver ransomware payloads or popular public hosting sites and media-sharing services. Other malware such as info stealers and similar can also be delivered by this method.
User awareness is critical to reducing the risk of an user visiting a ransomware site. Furthermore, it is important to ensure endpoints are protected and monitored 24/7/365 with an Endpoint Detection & Response platform that includes anomalous behavior detection
Sources
https://www.helpnetsecurity.com/2023/07/31/ransomware-delivery-2022
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