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Monday, October 3, 2022

Leafminer: New Espionage Campaigns Targeting Middle Eastern Regions

Symantec has uncovered the operations of a threat actor named Leafminer that is targeting a broad list of government organizations and business verticals in various regions in the Middle East since at least early 2017. The group tends to adapt publicly available techniques and tools for their attacks and experiments with published proof-of-concept exploits. Leafminer attempts to infiltrate target networks through various means of intrusion: watering hole websites, vulnerability scans of network services on the internet, and brute-force/dictionary login attempts. The actor’s post-compromise toolkit suggests that the group is looking for email data, files, and database servers on compromised target systems.

During our investigation, there was a breakthrough discovery that helped connect Leafminer to a number of attacks observed on systems in the Middle East and identify the toolkit used in the group’s efforts of intrusion, lateral movement, and exfiltration. The download URL for a malware payload used in one of the attacks lead to the identification of a compromised web server on the domain e-qht.az that had been used to distribute Leafminer’s arsenal of malware, payloads, and tools within the group and make them available for download from victim machines.

As of early June 2018, the server hosted 112 files in a subdirectory that could be accessed through a public web shell planted by the attackers. In addition to malware and tools, the served files also included uploads of log files seemingly originating from vulnerability scans and post-compromise tools.

Read more at Symantec

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The Government Technology & Services Coalition's Homeland Security Today (HSToday) is the premier news and information resource for the homeland security community, dedicated to elevating the discussions and insights that can support a safe and secure nation. A non-profit magazine and media platform, HSToday provides readers with the whole story, placing facts and comments in context to inform debate and drive realistic solutions to some of the nation’s most vexing security challenges.

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