Sigma rule: Possible DNS Rebinding

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-074de0c0574c, updated 2019-10-25T00:00:00.000Z.

Rule

Title
Possible DNS Rebinding
Status
unsupported
Level
medium
Author
Ilyas Ochkov, oscd.community
Date
2019/10/25
File
unsupported/network/net_possible_dns_rebinding.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects DNS-answer with TTL <10.

Log source

product
dns

Detection

selection:
    answer: '*'
filter1:
    ttl: '>0'
filter2:
    ttl: '<10'
timeframe: 30s
condition: selection and filter1 and filter2 | count(answer) by src_ip > 3

Tags

  • attack.command_and_control
  • attack.t1043

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/unsupported/network/net_possible_dns_rebinding.yml

Sources and licences

  • SigmaHQ

    "Possible DNS Rebinding" by Ilyas Ochkov, oscd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/unsupported/network/net_possible_dns_rebinding.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Possible DNS Rebinding",
entity page, dataset version ref-074de0c0574c, updated 2019-10-25T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/ec5b8711-b550-4879-9660-568aaae2c3ea (accessed 2026-11-03).
Underlying source: SigmaHQ rule ec5b8711-b550-4879-9660-568aaae2c3ea, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.