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The following analytic detects emails in Gsuite containing links to known abuse web services such as Pastebin, Telegram, and Discord. It leverages Gsuite Gmail logs to identify emails with these specific domains in their links. This activity is significant because these services are commonly used by attackers to deliver malicious payloads. If confirmed malicious, this could lead to the delivery of malware, phishing attacks, or other harmful activities, potentially compromising sensitive information or systems within the organization.
This rule detects the GomorrahStealer infostealer by identifying specific bytecode patterns associated with its capabilities. These capabilities include extracting browser autofill data, browser cookies, taking screenshots, gathering antivirus information, and collecting browser history. The rule looks for the presence of all these distinct bytecode signatures within a file to confirm the presence of GomorrahStealer.