Suspicious External IP Discovery via Curl to Ipinfo
- Product
- windows
- Category
- process_creation
- Author
- HuntRule
- Published
- 2026-05-13
- Updated
- 2026-08-28
ATT&CK techniques
ReconResource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
What it detects
This rule detects curl querying ipinfo.io to learn the host external IP address, a reconnaissance step attackers use to geolocate and fingerprint a compromised environment. This was observed in a hands-on-keyboard operation. External IP lookups from servers or non-admin contexts can indicate attacker situational awareness.
Reporting behind it
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.
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Also included
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