MALWARE FAMILY
WatchBog
Internal ID: elf.watchbog
1
aliases
Last seen:Mar 17, 2026
Intelligence Profile
According to Intezer, this is a spreader module used by WatchBog. It is a dynamically linked ELF executable, compiled with Cython. C&C adresses are fetched from Pastebin. C&C communication references unique identification keys per victim. It contains a BlueKeep scanner, reporting positively scanned hosts to the C&C server (RC4 encrypted within SSL/TLS). It contains 5 exploits targeting Jira, Exim, Solr, Jenkins and Nexus Repository Manager 3.
Threat Analysis
WatchBog 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
Quick Facts
TypeMalware Family
Aliases1
Also Known As
elf.watchbog
Research Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.