SEADADDY

aliases

Last seen:Mar 17, 2026

Intelligence Profile

Backdoor written in Python 2, deployed with PyInstaller.

Threat Analysis

SEADADDY 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://community.broadcom.com/symantecenterprise/communities/community-home/librarydocuments/viewdocument?DocumentKey=6ab66701-25d7-4685-ae9d-93d63708a11c&CommunityKey=1ecf5f55-9545-44d6-b0f4-4e4a7f5f5e68&tab=librarydocuments

→https://contagiodump.blogspot.de/2017/02/russian-apt-apt28-collection-of-samples.html

→https://unit42.paloaltonetworks.com/unit-42-technical-analysis-seaduke/

→https://www.crowdstrike.com/blog/bears-midst-intrusion-democratic-national-committee/

→https://www.cyborgsecurity.com/cyborg_labs/python-malware-on-the-rise/

Quick Facts

TypeAPT / Threat Group

Aliases4

Also Known As

SEADADDYwin.seadaddySeadaskSeaDuke

External Intelligence

Malpedia: win.seadaddy

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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