Microsoft Exchange ECP Probe (ProxyShell / ProxyLogon) for 2026-06-23
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
| United States of America | 6 | 50.0% |
| Canada | 2 | 16.7% |
| Germany | 2 | 16.7% |
| United Kingdom of Great Britain and Northern Ireland | 1 | 8.3% |
| Singapore | 1 | 8.3% |
IP Address : ASN : City/Provider
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134.209.25.199 : AS14061 digitalocean llc : London
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139.59.231.238 : AS14061 digitalocean llc : Singapore
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143.110.217.244 : AS14061 digitalocean llc : Toronto
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157.245.113.227 : AS14061 digitalocean llc : Clifton
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159.223.132.86 : AS14061 digitalocean llc : United States of America
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164.92.107.174 : AS14061 digitalocean llc : United States of America
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165.227.173.41 : AS14061 digitalocean llc : Frankfurt am Main
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167.99.181.249 : AS14061 digitalocean llc : Toronto
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206.189.225.181 : AS14061 digitalocean llc : North Bergen
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207.154.197.113 : AS14061 digitalocean llc : Frankfurt am Main
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40.119.24.130 : AS8075 microsoft corporation : San Antonio
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64.23.218.208 : ASNone : United States of America