# Red Menshen: threat group profile

> Red Menshen is a threat group thought to operate from China. Public reporting about it is still limited. This free profile brings together what is known about it, so you can judge the risk to you. It lists the other names the group goes by and links to every public report behind it.

Canonical page: https://www.precursorintelligence.com/threat-actors/red-menshen
Breadcrumb: [Home](https://www.precursorintelligence.com/) > [Threat groups](https://www.precursorintelligence.com/threat-actors) > Red Menshen

## At a glance

| Fact | Value |
|---|---|
| Attack techniques | 0 |
| Countries and victims named | 2 |
| Thought to operate from | China |
| Other names | 2 |
| Public reports | 4 |

## Who is Red Menshen?

Red Menshen is a threat group thought to operate from China. Public reporting about it is still limited.

### Also known as

Red Dev 18, Earth Bluecrow

Security companies each give the same group their own name, so one group can have many.

### What public reporting says

> Since 2021, Red Menshen, a China based threat actor, which has been observed targeting telecommunications providers across the Middle East and Asia, as well as entities in the government, education, and logistics sectors using a custom backdoor referred as BPFDoor. This threat actor uses a variety of tools in its post-exploitation phase. This includes custom variants of the shared tool Mangzamel (including Golang variants), custom variants of Gh0st, and open source tools like Mimikatz and Metasploit to aid in its lateral movement across Windows systems. Also, They have been seen sending commands to BPFDoor victims via Virtual Privat Servers (VPSs) hosted at a well-known provider, and that these VPSs, in turn, are administered via compromised routers based in Taiwan, which the threat actor uses as VPN tunnels. Most Red Menshen activity that has been observed took place between Monday to Friday (with none observed on the weekends), with most communication taking place between 01:00 and 10:00 UTC.131 This pattern suggests a consistent 8 to 9-hour activity window for the threat actor, with realistic probability of it aligning to local working hours.

## Who does Red Menshen go after?

**Sectors:** Government, Education, Logistics

**Countries and victims named:** Middle East, Asia

See threats by industry: https://www.precursorintelligence.com/industries

## Public reports about Red Menshen

- https://www.pwc.com/gx/en/issues/cybersecurity/cyber-threat-intelligence/cyber-year-in-retrospect/yir-cyber-threats-report-download.pdf
- https://www.pwc.com/gx/en/issues/cybersecurity/cyber-threat-intelligence/cyber-year-in-retrospect/yir-cyber-threats-annex-download.pdf
- https://troopers.de/troopers22/talks/7cv8pz
- https://www.trendmicro.com/en_us/research/25/d/bpfdoor-hidden-controller.html

## Frequently asked questions

### Who is Red Menshen?

Red Menshen is a threat group thought to operate from China. Public reporting about it is still limited.

### Where is Red Menshen thought to be based?

Public reporting places Red Menshen as operating from China. Attribution is never certain: it rests on the tools, infrastructure and targets researchers have seen.

### Who does Red Menshen target?

In public reporting, sectors named include government, education and logistics, and 2 countries and victims are named, including Middle East and Asia.

### How do I know if Red Menshen is a risk to my business?

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