HOMETHREATSsRDI
APT / THREAT GROUP

sRDI

3
aliases
Last seen:Mar 17, 2026

Intelligence Profile

sRDI allows for the conversion of DLL files to position independent shellcode. It attempts to be a fully functional PE loader supporting proper section permissions, TLS callbacks, and sanity checks. It can be thought of as a shellcode PE loader strapped to a packed DLL.

Threat Analysis

sRDI is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.

External References

→https://cloud.google.com/blog/topics/threat-intelligence/unc4393-goes-gently-into-silentnight
→https://github.com/monoxgas/sRDI
→https://www.mandiant.com/resources/blog/apt29-evolving-diplomatic-phishing
→https://www.mandiant.com/resources/blog/dprk-whatsapp-phishing
→https://www.welivesecurity.com/en/eset-research/lazarus-luring-employees-trojanized-coding-challenges-case-spanish-aerospace-company/

Quick Facts

TypeAPT / Threat Group
Aliases3

Also Known As

sRDIDAVESHELLwin.srdi

External Intelligence

Malpedia: win.srdi

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.
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sRDI — APT / Threat Group | Threat Intelligence | CTIWATCH.COM