Description
[Shark](https://attack.mitre.org/software/S1019) is a backdoor malware written in C# and .NET that is an updated version of [Milan](https://attack.mitre.org/software/S1015); it has been used by [HEXANE](https://attack.mitre.org/groups/G1001) since at least July 2021.(Citation: ClearSky Siamesekitten August 2021)(Citation: Accenture Lyceum Targets November 2021)
External References
Techniques Used by This Malware
- T1005 — Data from Local System
- T1008 — Fallback Channels
- T1012 — Query Registry
- T1027.013 — Encrypted/Encoded File
- T1029 — Scheduled Transfer
- T1036.005 — Match Legitimate Resource Name or Location
- T1041 — Exfiltration Over C2 Channel
- T1059.003 — Windows Command Shell
- T1070.004 — File Deletion
- T1071.001 — Web Protocols
- T1071.004 — DNS
- T1074 — Data Staged
- T1082 — System Information Discovery
- T1105 — Ingress Tool Transfer
- T1140 — Deobfuscate/Decode Files or Information
- T1497.001 — System Checks
- T1568.002 — Domain Generation Algorithms