Threat video1:00
Mittwald MCP server breach, 56 projects: Detection & IOCs
An alleged AI-aided intruder hit 56 Mittwald projects via its MCP server, unseen for 8 days: 9 detection rules, 6 IOCs and a free Splunk SPL rule.
Read the full threat intel for Mittwald MCP server breach, 56 projects: Detection & IOCs →
Chapters
- 0:00The hook56 German customer projects were compromised.
- 0:04The storyAn attacker exploited Mittwald's MCP server.
- 0:11Attack pathThey reportedly probed the MCP server, then registered test accounts.
- 0:28AttributionNo threat actor is attributed.
- 0:32Indicators of compromise4 indicators to hunt: 2 domains and 2 URLs.
- 0:38MITRE ATT&CK techniques5 ATT&CK techniques, from reconnaissance to stealth.
- 0:43Remediation4 steps now: Revoke and rotate credentials, tokens and SSH keys for any.
- 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript
0:0056 German customer projects were compromised.
0:05An attacker exploited Mittwald's MCP server.
0:08Mittwald detected it eight days later.
0:12They reportedly probed the MCP server, then registered test accounts.
0:16A fresh account then exploited the flaw.
0:19Then customer hosting projects were compromised.
0:22They disguised access attempts and used diversions.
0:28No threat actor is attributed. Confidence: low.
0:334 indicators to hunt: 2 domains and 2 URLs.
0:385 ATT&CK techniques, from reconnaissance to stealth.
0:434 steps now: Revoke and rotate credentials, tokens and SSH keys for any.
0:519 detection rules, in SPL, KQL and Sigma.
0:56Threadlinqs. The unified security engineering platform.