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Attributed metadata history

REPORTPUBLIC METADATA

Remotely debugging Firefox instances

Previously I talked about remotely debugging Chrome, and we also covered the latest Microsoft Edge browser along the way. These features allow an adversary to gain access to authentication tokens and cookies. See MITRE ATT&CK Technique T1539: Steal Web Session Cookie as well for this. What about Firefox? For a while I was wondering if (my favorite) browser Firefox has such debugging features as well, and how one could detect malware trying to exploit it.

Reference details

Source category
research-report
First reported
Jul 15, 2020 13:00 UTC
Last reported
Jul 15, 2020 13:00 UTC
Catalog updated
Oct 14, 2026 02:57 UTC
Record ID
ff969b88ecf5e9d825710626e6ca8efa11d29c56c660c5ff3e3d3e1846ba3559

Published indicators

Network indicators are visibly defanged. This page does not make them clickable or send them to another service.

No validated file hashes or network indicators are stored for this record.

Source observations

intelligence_src_c25d91fa3ad9ae9ac7

Source-provided label
Publisher RSS metadata
Evidence class
mentioned in report
Confidence
Not reported
Observed
Jul 15, 2020 13:00 UTC
Retrieved
Oct 14, 2026 02:57 UTC

This record contains metadata and attribution only. It does not host, download, unpack, render, or execute malware samples.

Feed collection status

Sources represented on this page. Publication and observation dates describe the content; successful batch dates describe local collection. A recent batch does not certify complete coverage or current provider availability.

1 sources: 0 stale, 0 needing attention, 0 paused, 0 unverified.

Review source update dates and status
  • intelligence_src_c25d91fa3ad9ae9ac7Recent successful batchLast successful batch: Last attempt:

Stale means older than twice the recorded collection interval, with a minimum of one hour; without an interval, the threshold is 24 hours. Cached content remains available while a feed is stale, paused, or unverified.