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S1187 · malware · ATT&CK software

reGeorg

3 actors on record using it

Every mark is an actor ATT&CK records using this software. Red ones also exploit a CVE in CISA KEV.

Open S1187 on attack.mitre.org

reGeorg is an open-source web shell written in Python that can be used as a proxy to bypass firewall rules and tunnel data in and out of targeted networks.

Source: MITRE ATT&CK, S1187. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.

Every one of the 3 is a mark on the map. Named now: 1 to 3, most on record first.

  1. APT28Russia12 CVEs · 93 techniques · 30 software · 11 in CISA KEV
  2. APT29Russia14 CVEs · 66 techniques · 49 software · 14 in CISA KEV
  3. Ember BearRussia2 CVEs · 47 techniques · 11 software · 2 in CISA KEV

Zoom in on the map and the dots under the middle of it are named where they are.

Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-15 · CISA KEV checked 2026-11-15. Sources: MITRE ATT&CK (© The MITRE Corporation, reproduced and distributed with its permission), the MISP Galaxy (CC0), and CyberSIXT's own coverage.