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Indicators are what attackers leave behind. Stolen credentials are what they arrive with.

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1 IOC

TSUBAME Report Overflow (Apr-Jun 2026)

JPCERT
JPCERT
Published September 18, 2026Original Report

Malware Families

Excerpt

This TSUBAME Report Overflow series discusses observation trends from TSUBAME sensors both in Japan and overseas, as well as other topics not covered in the JPCERT/CC Quarterly Report. This article covers monitoring results from April to June 2026. Note: Starting in FY2026, the JPCERT/CC Internet Threat Monitoring Report has been integrated into the JPCERT/CC Quarterly Report. Sharp Increase in Mirai-like Packets Targeting 23/TCP Observed in Early May 2026 In early May 2026,…

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Diamond Model

SOCIAL AXISTECHNOLOGY AXISADVERSARYunknownINFRASTRUCTUREunknownCAPABILITYMiraiVICTIMunknown
Adversary
Infrastructure
Capability(1)
Victim

Indicators of Compromise

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1 indicators

TypeIndicatorConfidenceScoreFirst Seen
CVECVE-2026-41940HighScore 77/100First seen

IOC Relationship Graph

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