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Threat Group Cards: A Threat Actor Encyclopedia

Permanent link Tool: CALENDAR

NamesCALENDAR
CategoryMalware
TypeBackdoor
DescriptionThis family of malware uses Google Calendar to retrieve commands and send results. It retrieves event feeds associated with Google Calendar, where each event contains commands from the attacker for the malware to perform. Results are posted back to the event feed. The malware authenticates with Google using the hard coded email address and passwords. The malware uses the deprecated ClientLogin authentication API from Google. The malware is registered as a service dll as a persistence mechanism. Artifacts of this may be found in the registry.
Information<https://www.fireeye.com/content/dam/fireeye-www/services/pdfs/mandiant-apt1-report.pdf>
<http://contagiodump.blogspot.com/2013/03/mandiant-apt1-samples-categorized-by.html>
MITRE ATT&CK<https://attack.mitre.org/software/S0025/>

Last change to this tool card: 22 April 2020

Download this tool card in JSON format

All groups using tool CALENDAR

ChangedNameCountryObserved

APT groups

 Comment Crew, APT 1China2006-May 2018X

1 group listed (1 APT, 0 other, 0 unknown)

Digital Service Security Center
Electronic Transactions Development Agency

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