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high advisory

Detection of Nimgrab Utility Usage

Detection of the Nimgrab utility, a command-line tool often used for remote file downloads and potentially leveraged for stages of command-and-control operations.

pua command-and-control download-utility
1r 1t 2i
high advisory

Suspicious Execution of Renamed Sysinternals Tools via Registry

This brief details a detection method for adversaries using renamed Sysinternals tools, a legitimate suite of utilities, to evade endpoint detection by triggering the `EulaAccepted` registry key creation, potentially leading to unauthorized system manipulation or data access on Windows systems.

sysinternals evasion registry windows pua
1r 2t
high advisory

You do surprise me.exe: Unexpected Crypto-Miner in Hola Browser

Sophos X-Ops discovered that Hola Browser version 1.251.91.0 was distributed with an undeclared crypto-mining executable, me.exe, due to a supply chain compromise, leading to resource hijacking on affected Windows systems.

Hola Browser supply-chain-compromise cryptomining pua windows executable
3r 5t 4i