Microsoft Exchange ECP Probe (ProxyShell / ProxyLogon) for 2026-10-21
Last Updated: 00:00 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 | 22 | 27.2% |
| United States | 19 | 23.5% |
| Canada | 10 | 12.3% |
| United Kingdom | 9 | 11.1% |
| Singapore | 8 | 9.9% |
| The Netherlands | 8 | 9.9% |
| India | 3 | 3.7% |
| Japan | 2 | 2.5% |
IP Address : ASN : City/Provider
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104.237.130.38 : AS63949 Akamai Connected Cloud : Richardson
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128.199.182.152 : AS14061 DigitalOcean, LLC : Singapore
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128.199.182.55 : AS14061 DigitalOcean, LLC : Singapore
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128.199.182.77 : AS14061 DigitalOcean, LLC : Singapore
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134.209.25.199 : AS14061 DigitalOcean, LLC : Slough
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138.197.191.87 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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138.68.144.227 : AS14061 DigitalOcean, LLC : Slough
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138.68.86.32 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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139.162.210.205 : AS63949 Akamai Connected Cloud : London
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139.162.96.14 : AS63949 Akamai Connected Cloud : Tokyo
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139.59.132.8 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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139.59.136.184 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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139.59.143.102 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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139.59.231.238 : AS14061 DigitalOcean, LLC : Singapore
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142.93.0.66 : AS14061 DigitalOcean, LLC : North Bergen
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142.93.129.190 : AS14061 DigitalOcean, LLC : Amsterdam
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142.93.143.8 : AS14061 DigitalOcean, LLC : Amsterdam
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143.110.213.72 : AS14061 DigitalOcean, LLC : Toronto
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143.110.217.244 : AS14061 DigitalOcean, LLC : Toronto
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143.244.168.161 : AS14061 DigitalOcean, LLC : North Bergen
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146.190.103.103 : AS14061 DigitalOcean, LLC : Singapore
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146.190.242.161 : AS14061 DigitalOcean, LLC : Toronto
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146.190.63.248 : AS14061 DigitalOcean, LLC : Santa Clara
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146.190.63.48 : AS14061 DigitalOcean, LLC : Santa Clara
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147.182.149.75 : AS14061 DigitalOcean, LLC : Toronto
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157.230.19.140 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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157.245.105.107 : AS14061 DigitalOcean, LLC : Bengaluru
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157.245.204.205 : AS14061 DigitalOcean, LLC : Singapore
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157.245.36.108 : AS14061 DigitalOcean, LLC : Slough
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159.203.96.42 : AS14061 DigitalOcean, LLC : Clifton
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159.223.132.86 : AS14061 DigitalOcean, LLC : North Bergen
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159.65.144.72 : AS14061 DigitalOcean, LLC : Bengaluru
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159.65.18.197 : AS14061 DigitalOcean, LLC : Slough
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159.89.12.166 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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159.89.127.165 : AS14061 DigitalOcean, LLC : Toronto
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159.89.17.243 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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159.89.174.87 : AS14061 DigitalOcean, LLC : Bengaluru
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164.90.208.56 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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164.90.228.79 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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164.92.107.174 : AS14061 DigitalOcean, LLC : Santa Clara
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164.92.244.132 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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165.22.235.3 : AS14061 DigitalOcean, LLC : Toronto
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165.22.34.189 : AS14061 DigitalOcean, LLC : Clifton
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165.227.173.41 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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165.227.39.235 : AS14061 DigitalOcean, LLC : Toronto
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165.227.84.14 : AS14061 DigitalOcean, LLC : North Bergen
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167.172.158.128 : AS14061 DigitalOcean, LLC : North Bergen
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167.71.175.236 : AS14061 DigitalOcean, LLC : Clifton
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167.99.181.249 : AS14061 DigitalOcean, LLC : Toronto
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167.99.210.137 : AS14061 DigitalOcean, LLC : Amsterdam
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172.105.158.219 : AS63949 Akamai Connected Cloud : Atlanta
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172.105.16.131 : AS63949 Akamai Connected Cloud : Toronto
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172.105.16.40 : AS63949 Akamai Connected Cloud : Toronto
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172.105.197.17 : AS63949 Akamai Connected Cloud : Tokyo
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178.128.207.138 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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188.166.108.93 : AS14061 DigitalOcean, LLC : Amsterdam
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206.189.19.19 : AS14061 DigitalOcean, LLC : Slough
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206.189.2.13 : AS14061 DigitalOcean, LLC : Amsterdam
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206.189.225.181 : AS14061 DigitalOcean, LLC : North Bergen
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206.189.233.36 : AS14061 DigitalOcean, LLC : North Bergen
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206.189.95.232 : AS14061 DigitalOcean, LLC : Singapore
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206.81.12.187 : AS14061 DigitalOcean, LLC : North Bergen
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206.81.24.227 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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206.81.24.74 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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207.154.197.113 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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207.154.212.47 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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209.38.208.202 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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209.38.248.17 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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209.97.180.8 : AS14061 DigitalOcean, LLC : Slough
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46.101.1.225 : AS14061 DigitalOcean, LLC : Slough
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46.101.111.185 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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64.225.75.246 : AS14061 DigitalOcean, LLC : Amsterdam
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64.226.65.160 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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64.226.78.121 : AS14061 DigitalOcean, LLC : Frankfurt am Main
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64.227.32.66 : AS14061 DigitalOcean, LLC : Slough
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64.227.70.2 : AS14061 DigitalOcean, LLC : Amsterdam
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64.23.218.208 : AS14061 DigitalOcean, LLC : Santa Clara
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68.183.180.73 : AS14061 DigitalOcean, LLC : Singapore
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68.183.9.16 : AS14061 DigitalOcean, LLC : Amsterdam
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96.126.110.181 : AS63949 Akamai Connected Cloud : Cedar Knolls
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96.126.110.54 : AS63949 Akamai Connected Cloud : Cedar Knolls