Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 12:49:18 UTC Home > List all groups > List all tools > List all groups using tool Shark Tool: Shark Names Shark Category Malware Type Backdoor Description (ClearSky) In July 2021, we detected a second wave of similar attacks against additional companies in Israel. In this wave, Siamesekitten upgraded their backdoor malware to a new version called “Shark” and it replaced the old version of their malware called “Milan”. Information MITRE ATT&CK Malpedia Last change to this tool card: 30 December 2022 Download this tool card in JSON format All groups using tool Shark Changed Name Country Observed APT groups Hexane 2017-Jun 2022 1 group listed (1 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=2063af6d-5de1-4a44-8f2c-8b8678bc10fe https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=2063af6d-5de1-4a44-8f2c-8b8678bc10fe Page 1 of 1