Microsoft Exchange ECP Probe (ProxyShell / ProxyLogon) for 2026-06-28
Jun 28, 2026
WebExploit
Last Updated: 12:00 UTC
The Exchange Control Panel (/ecp/) is the attack surface for ProxyLogon (CVE-2021-26855) and ProxyShell (CVE-2021-34473/34523/31207). Both exploit chains begin with ECP requests and achieve unauthenticated RCE leading to ASPX webshell deployment on the Exchange server.
CVE References
MITRE ATT&CK
Tactic: Initial Access (TA0001)
Technique: T1190 — Exploit Public-Facing Application
Observed URIs
Attackers by Country
| Germany | 1 | 50.0% |
| United States of America | 1 | 50.0% |
IP Address : ASN : City/Provider
-
138.68.82.23 : AS14061 digitalocean llc : Frankfurt am Main
-
20.65.193.168 : AS8075 microsoft corporation : San Antonio