Sigma rule: Network Connection Initiated By Eqnedt32.EXE

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-7fa784041586, updated 2024-05-31T00:00:00.000Z.

Rule

Title
Network Connection Initiated By Eqnedt32.EXE
Status
test
Level
high
Author
Max Altgelt (Nextron Systems)
Date
2022-04-14
Modified
2024-05-31
File
rules/windows/network_connection/net_connection_win_eqnedt.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects network connections from the Equation Editor process "eqnedt32.exe".

Log source

product
windows
category
network_connection

Detection

selection:
    Image|endswith: '\eqnedt32.exe'
condition: selection

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.execution
  • attack.t1203

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/rules/windows/network_connection/net_connection_win_eqnedt.yml

Sources and licences

  • SigmaHQ

    "Network Connection Initiated By Eqnedt32.EXE" by Max Altgelt (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/network_connection/net_connection_win_eqnedt.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: Network Connection Initiated By Eqnedt32.EXE",
entity page, dataset version ref-7fa784041586, updated 2024-05-31T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/a66bc059-c370-472c-a0d7-f8fd1bf9d583 (accessed 2026-11-03).
Underlying source: SigmaHQ rule a66bc059-c370-472c-a0d7-f8fd1bf9d583, 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.