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Threat Group Cards: A Threat Actor Encyclopedia

Names	Circles
Category	Malware
Type	Info stealer
Description	(Citizen Lab) Unlike NSO Group’s Pegasus spyware, the SS7 mechanism by which Circles’ product reportedly operates does not have an obvious signature on a target’s phone, such as the telltale targeting SMS bearing a malicious link that is sometimes present on a phone targeted with Pegasus.
Information	<https://citizenlab.ca/2020/12/running-in-circles-uncovering-the-clients-of-cyberespionage-firm-circles/>
MITRE ATT&CK	<https://attack.mitre.org/software/S0602/>

Last change to this tool card: 30 December 2022

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