Detecting Hijacked or Malicious Proxy Endpoints
Signs of malicious proxy nodes: response injection, certificate anomalies, unexpected redirects, and reputation checks.
Signs of malicious proxy nodes: response injection, certificate anomalies, unexpected redirects, and reputation checks.
Warning signals
- HTML injection in JSON responses
- Unexpected Set-Cookie from unknown domains
- TLS cert name mismatch
- Consistent timeout to financial sites only
Related: proxy testing.
IP reputation checks
Cross-check egress IPs against blocklists and ASN data. Sudden country jumps for the same slot may indicate pool poisoning.
Incident response
Quarantine suspect subnets, rotate credentials, replay canary requests without sensitive data, and document provider ticket.
Related: incident response for dead pools.
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