Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 14:40:41 UTC Home > List all groups > List all tools > List all groups using tool Yahoyah Tool: Yahoyah Names Yahoyah W32/Seeav Category Malware Type Backdoor Description Yahoyah is a Trojan used by Tropic Trooper as a second-stage backdoor. Information MITRE ATT&CK Malpedia AlienVault OTX Last change to this tool card: 29 December 2022 Download this tool card in JSON format All groups using tool Yahoyah Changed Name Country Observed APT groups Tropic Trooper, Pirate Panda, APT 23, KeyBoy 2011-Jun 2023 1 group listed (1 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=258ae019-4da1-4600-876c-e782eb1391e1 https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=258ae019-4da1-4600-876c-e782eb1391e1 Page 1 of 1