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Detecting HermeticWiper

As stated in our previous threat advisory STRT-TA02 in regards to destructive software, past historical data suggests that for malicious actors to succeed in long-standing campaigns they must improve and add new ways of making their payloads stealthier, resistant, and damaging. HermeticWiper introduces some unique features, applying destructive actions on compromised hosts.

Cybersecurity and the war in Ukraine

Like most of us around the world, I’ve been shocked by the current situation in Ukraine. I’m saddened by the images of families being torn apart and fleeing their homes. This brings to mind the story of my own grandmother, who had to leave her native country of Austria, with nothing more than a small bag and my infant mother in her arms.

Linux Persistence and Privilege Escalation: Threat Research January 2022 Release

In this January 2022 release, The Splunk Threat Research (STRT) team focused on the recently released Sysmon for Linux technology addition to Splunk. This new add-on opens the door for new ways of monitoring, creating detections, and defending against Linux systems threats. Linux is the most commonly used operating system across the world with approximately 67% of the internet.

Threat Advisory: STRT-TA02 - Destructive Software

The Splunk Threat Research Team is monitoring open channel intelligence and government alerts indicating the possibility of malicious campaigns using destructive software in relation to ongoing geopolitical events. Based on historical data of named geopolitical actors, the use of destructive payloads has been observed in past campaigns.

Aw, HEC! Splunking Okta's Event Hooks with the HTTP Event Collector

This weekend I spent some time with Okta’s Identity Engine product, learning about various ways to integrate it with Splunk and other external systems. When I got to Okta’s Event Hooks feature, I exclaimed “Aw, HECk!” (actually I said something a little stronger) and banged my head against my old copy of "Log4J 4 Me and U - A Complete Guide" for a few hours trying to get Event Hooks sending data properly into Splunk’s HTTP Event Collector, or HEC.

Approaching Linux Post-Exploitation with Splunk Attack Range

With the recent release of Sysmon (System Monitor) for Linux by Microsoft, new opportunities for monitoring, detection development, and defense are now possible. Sysmon for Windows is a very popular tool among detection developers and blue teamers as it provides extensive details from system activity and windows logs. Due to the extensive information this service/driver provides in Microsoft Windows, it is very useful when researching attacks and replicating malicious payloads on lab machines.