It refers to a domain that previously maintained a clean reputation and was considered safe, but has later been repurposed for malicious use. Threat actors often acquire aged or expired domains to exploit their established reputation and evade security detections temporarily.
Three questions every analyst asks before acting on this signal.
It refers to a domain that previously maintained a clean reputation and was considered safe, but has later been repurposed for malicious use. Threat actors often acquire aged or expired domains to exploit their established reputation and evade security detections temporarily.
Because aged domains already have a trusted history and often bypass domain reputation filters, spam defenses, and allowlists. This enables attackers to conduct phishing, malware distribution, or C2 communications without being immediately blocked or flagged.
It describes domains that are no longer actively maintained and have been placed into a 'parked' state but still hold residual trust. These domains can later be reactivated by attackers to serve malicious purposes such as redirecting users or hosting exploit kits.
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": "ip_safely_aged_and_convert",
"name": "Reputation Hijacked Domain",
"group": "dns_history",
"subgroup": "domain_lifecycle",
"direction": "malicious",
"evidence": {
"first_seen_days_ago": 4,
"activation_event": "newly_resolved",
"dormancy_days_before": 0,
"registered_days_ago": 7
}
}4 other signals share the same subgroup. They detect related behaviors and often co-fire on the same IOC.
It indicates that the domain has recently become active for the first time, either by starting to resolve in DNS or by r…
It indicates that one or more subdomains under a given domain have recently become active or resolvable in DNS. This pat…
It indicates that the domain has started resolving to a new IP address for the first time. This event often marks a chan…
It refers to domains where only subdomains are active and the apex (root) domain does not serve any content or DNS respo…
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