MALWARE FAMILY

sRDI

Internal ID: win.srdi

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 malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

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

TypeMalware Family

Aliases1

Also Known As

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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