Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 14:20:09 UTC Home > List all groups > List all tools > List all groups using tool LZ77 Tool: LZ77 Names LZ77 Category Tools Type Compression Description (Trend Micro) Used to compress and decompress files. Information Last change to this tool card: 20 April 2020 Download this tool card in JSON format All groups using tool LZ77 Changed Name Country Observed APT groups   Safe 2013   1 group listed (1 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=f7bc629f-bb56-476f-9883-4dc9d92264a1 https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=f7bc629f-bb56-476f-9883-4dc9d92264a1 Page 1 of 1