DOWNIISSA
Essential information
- Confidence
- 75/100
- Is family
- Yes
- Published
- 17/04/2026 18:31
- Modified
- 04/05/2026 16:31
- Revoked
- No
- Author / Source
- The MITRE Corporation
- Related entities
- 7 attack patterns (mitre), 1 intrusion sets (apt)
Description
[DOWNIISSA](https://attack.mitre.org/software/S9021) is a shellcode downloader that has been used by [MirrorFace](https://attack.mitre.org/groups/G1054) since at least 2022 to deploy payloads, including the [LODEINFO](https://attack.mitre.org/software/S9020) backdoor.(Citation: Kaspersky LODEINFO OCT 2022)
Marking (TLP)
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