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Suspicious Auto Page Refresh Activity (HTTP Header)

It indicates that the web server instructs the browser to reload the page automatically through an HTTP Refresh response header, without user interaction. The instruction comes from the server response rather than the page content.

Analyst Q&A

What this signal answers

The questions every analyst asks before acting on this signal.

What it detects01

What does 'Suspicious Auto Page Refresh Activity (HTTP Header)' mean?

It indicates that the web server instructs the browser to reload the page automatically through an HTTP Refresh response header, without user interaction. The instruction comes from the server response rather than the page content.

Why it matters02

How is this different from the 'Suspicious Auto Page Refresh Activity' signal?

Both describe the same behavior but originate from different layers. The meta tag variant is declared inside the HTML document, while this one arrives as an HTTP header. Separating them shows which layer carries the instruction, which matters when the page body looks clean but the server still forces a refresh.

How analysts use it03

Why is header based auto-refresh considered suspicious?

A refresh set at the server layer applies before page content is evaluated and is invisible in the page source, so it is harder to notice. Attackers use it to delay redirection to malicious destinations or to keep a foothold page cycling until a payload is ready.

Often paired with:alert_only
Evidence shape

What Suspicious Auto Page Refresh Activity (HTTP Header) looks like in the response

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.

json
{
  "slug": "auto_page_refresh_with_header",
  "name": "Suspicious Auto Page Refresh Activity (HTTP Header)",
  "group": "http_crawling_history",
  "subgroup": "web_behavior_structure",
  "direction": "malicious",
  "evidence": {
    "url_shortener_chain": false,
    "auto_refresh_seconds": null,
    "direct_ip_link": false,
    "browser_interaction_required": true
  }
}
See in API reference
Siblings

Peers in Web Behavior & Structure

9 other signals share the same subgroup. They detect related behaviors and often co-fire on the same IOC.

Suspicious Auto Page Refresh Activity

It indicates that the domain or web page automatically reloads itself after a certain interval without user interaction.…

Malicious
Injected Iframe

An injected iframe refers to an HTML frame embedded within a web page that loads content from an external or malicious d…

MaliciousCore
Malicious Redirect Behavior

It refers to the automatic forwarding of a user or system request from one domain to another destination. Redirects can …

MaliciousCore
Direct Connection to an IP Address

It refers to the action of accessing a resource using a direct IP address instead of a domain name. Threat actors often …

Malicious
Show 5 more in Web Behavior & Structure
In the wild

See Suspicious Auto Page Refresh Activity (HTTP Header) fire on real IOCs

The Verdict Gallery is a curated stream of real verdicts. Filter by this signal to see exactly which IOCs it caught, what other signals fired alongside it, and what the engine recommended.

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Pre-filtered to Suspicious Auto Page Refresh Activity (HTTP Header). See real IOCs this signal caught and the verdicts the engine returned.
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