It indicates that the domain has recently started serving web content over HTTP or HTTPS after a long period of inactivity or being newly registered. This behavior is frequently associated with malicious campaigns such as phishing, brand impersonation, or malware distribution, as threat actors often activate domains shortly before using them in attacks.
Three questions every analyst asks before acting on this signal.
It indicates that the domain has recently started serving web content over HTTP or HTTPS after a long period of inactivity or being newly registered. This behavior is frequently associated with malicious campaigns such as phishing, brand impersonation, or malware distribution, as threat actors often activate domains shortly before using them in attacks.
Because attackers commonly register domains in advance and keep them dormant until just before an operation begins. A sudden activation of an HTTP service may indicate preparation for a phishing campaign or an attempt to host malicious payloads. Such short activation windows make detection and blocking more difficult.
A realistic shape of the entry the engine appends to the risk_signals array when this signal fires. Evidence keys are subgroup-default; per-signal overrides documented in the API reference.
{
"slug": "http_short_time_up_and_running",
"name": "Newly Active HTTP Service Detected",
"group": "http_crawling_history",
"subgroup": "http_availability_stability",
"direction": "malicious",
"evidence": {
"uptime_30d_pct": 99.4,
"status_code_mode": 200,
"intermittent_failures_30d": 2,
"last_unreachable_days_ago": 14
}
}4 other signals share the same subgroup. They detect related behaviors and often co-fire on the same IOC.
This term refers to a web service (HTTP/HTTPS) that has been continuously active and reachable for a long duration witho…
It indicates that the base domain’s web service (HTTP/HTTPS) is no longer responding or has gone offline. This behavior …
It refers to a domain that operates with restricted accessibility — its HTTP/HTTPS services are either protected, limite…
It refers to a domain whose HTTP or HTTPS service repeatedly switches between being online and offline within short time…
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