Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 18:58:55 UTC Home > List all groups > List all tools > List all groups using tool Mosquito Tool: Mosquito Names Mosquito Category Malware Type Backdoor, Info stealer Description Mosquito is a Win32 backdoor that has been used by Turla. Mosquito is made up of three parts: the installer, the launcher, and the backdoor. The main backdoor is called CommanderDLL and is launched by the loader program. Information MITRE ATT&CK Malpedia Last change to this tool card: 14 May 2020 Download this tool card in JSON format All groups using tool Mosquito Changed Name Country Observed APT groups Turla, Waterbug, Venomous Bear 1996-2024 1 group listed (1 APT, 0 other, 0 unknown) https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=c9a80491-0039-41c4-83be-79c11ffac08e Page 1 of 2 Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=c9a80491-0039-41c4-83be-79c11ffac08e https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=c9a80491-0039-41c4-83be-79c11ffac08e Page 2 of 2 APT groups Turla, Waterbug, Venomous Bear 1996-2024 1 group listed (1 APT, 0 other, 0 unknown) Page 1 of 2