SharPyShell
Aliases: ASPSHELL
- First seen
- 2021-06-01 00:00:00
- Malware type
- webshell
- Family
- Malware family
- Last IoC activity
- 2026-07-02 20:39:16
- Profile updated
- 2026-07-07 14:21:21
Targeted industries: government-and-public-sector technology-and-telecommunications financial-services
Context
SharPyShell is a tiny and obfuscated ASP.NET webshell that executes commands received by an encrypted channel compiling them in memory at runtime. SharPyShell supports only C# web applications that runs on .NET Framework >= 2.0 VB is not supported atm.
Detection coverage
- 1 YARA rules
Detection rules
- SIGNATURE_BASE_HKTL_NET_NAME_Sharpyshell (yara-rule)
Reports & references
- go.recordedfuture.com — Mtp 2021 1214 (report)
- Trend Micro — U S Justice Department Charges Apt41 Hackers Over Global Cyberattacks (report)
- malpedia.caad.fkie.fraunhofer.de — Win.Sharpyshell (report)
- github.com — Sharpyshell (report)
- research.eye.security — Sharepoint Under Siege (report)
- gteltsc.vn — Warning New Attack Campaign Utilized A New 0Day Rce Vulnerability On Microsoft Exchange Server 12715 (report)