Threat Actor

RedEcho

Also known as: RedEcho

RedEcho is a People’s Republic of China-related threat actor associated with long-running intrusions in Indian critical infrastructure entities. RedEcho overlaps with various other PRC-linked threat groups, such as APT41, and is linked to ShadowPad malware use through shared infrastructure.

5
Techniques
1
Software
0
indicators on this record

Properties

Last source
MITRE ATT&CK
STIX ID
intrusion-set--2c40f629-6cf9-4f75-af32-9a98caec24ae
In Signal since
initial import (Sep 2026)
Retrieved at
2026-11-02T12:53:28+00:00
Type
intrusion-set

MITRE ATT&CK Techniques (5)

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Asymmetric Cryptography (T1573.002)

Adversaries may employ a known asymmetric encryption algorithm to conceal command and control traffic rather than relying on any inherent protections

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Domains (T1583.001)

Adversaries may acquire domains that can be used during targeting. Domain names are the human readable names used to represent one or more IP addresse

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Dynamic Resolution (T1568)

Adversaries may dynamically establish connections to command and control infrastructure to evade common detections and remediations. This may be achie

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Non-Standard Port (T1571)

Adversaries may communicate using a protocol and port pairing that are typically not associated. For example, HTTPS over port 8088(Citation: Symantec

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Web Protocols (T1071.001)

Adversaries may communicate using application layer protocols associated with web traffic to avoid detection/network filtering by blending in with exi

Software & Tools (1)

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ShadowPad [malware]

ShadowPad is a modular backdoor that was first identified in a supply chain compromise of the NetSarang sof

Explore this actor's full graph with Ninja Signal

RedEcho — Threat Actor Profile — Ninja Signal | Ninja Signal