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Threat Group Cards: A Threat Actor Encyclopedia

Tool: netcat

Names	netcat
Category	Tools
Type	Reconnaissance, Backdoor, Exfiltration
Description	(Wikipedia) netcat (often abbreviated to nc) is a computer networking utility for reading from and writing to network connections using TCP or UDP. The command is designed to be a dependable back-end that can be used directly or easily driven by other programs and scripts. At the same time, it is a feature-rich network debugging and investigation tool, since it can produce almost any kind of connection its user could need and has a number of built-in capabilities. Its list of features includes port scanning, transferring files, and port listening, and it can be used as a backdoor.
Information	<https://en.wikipedia.org/wiki/Netcat>
AlienVault OTX	<https://otx.alienvault.com/browse/pulses?q=tag:netcat>

Last change to this tool card: 20 April 2020

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All groups using tool netcat

Changed	Name	Country	Observed
APT groups
	Cadet Blizzard		2020-Jan 2022
	Calypso		2016-Aug 2021
	Gallium		2018-Jun 2022
	Ke3chang, Vixen Panda, APT 15, GREF, Playful Dragon		2010-Late 2022

4 groups listed (4 APT, 0 other, 0 unknown)

Digital Service Security Center
Electronic Transactions Development Agency

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