Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 17:03:19 UTC Home > List all groups > List all tools > List all groups using tool AnvilEcho Tool: AnvilEcho Names AnvilEcho Category Malware Type Backdoor Description (Proofpoint) AnvilEcho is a PowerShell trojan that contains extensive functionality, including capabilities that expand on previous TA453 malware samples. Information Last change to this tool card: 27 August 2024 Download this tool card in JSON format All groups using tool AnvilEcho Changed Name Country Observed APT groups   Magic Hound, APT 35, Cobalt Illusion, Charming Kitten 2012-Jun 2025 1 group listed (1 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=25df748b-8427-4acf-8aae-dd5d61c89f69 https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=25df748b-8427-4acf-8aae-dd5d61c89f69 Page 1 of 1