Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 13:48:43 UTC Home > List all groups > List all tools > List all groups using tool Recon Tool: Recon Names Recon Category Malware Type Reconnaissance Description (Yoroi) Like other samples, it is written C# programming language too. It has two main classes named “PortScanner” and “ReconCommonFuncs”, providing a direct clue of the actions enabled by this part of the implant. Information Last change to this tool card: 20 April 2020 Download this tool card in JSON format All groups using tool Recon Changed Name Country Observed APT groups Iridium 2018-Dec 2018 Lazarus Group, Hidden Cobra, Labyrinth Chollima 2007-May 2025 2 groups listed (2 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=5d6a5bd4-4e84-49a6-a1a5-4c0fd95eb947 https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=5d6a5bd4-4e84-49a6-a1a5-4c0fd95eb947 Page 1 of 1