# TEMP_Heretic: threat group profile

> TEMP_Heretic 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.

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## At a glance

| Fact | Value |
|---|---|
| Attack techniques | 0 |
| Thought to operate from | China |
| Other names | 0 |
| Public reports | 2 |

## Who is TEMP_Heretic?

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

### What public reporting says

> TEMP_Heretic is a threat actor that has been observed engaging in targeted spear-phishing campaigns. They exploit vulnerabilities in email platforms, such as Zimbra, to exfiltrate emails from government, military, and media organizations. They use multiple outlook.com email addresses and manually craft content for each email before sending it.

## Public reports about TEMP_Heretic

- https://www.welivesecurity.com/en/eset-research/mass-spreading-campaign-targeting-zimbra-users/
- https://www.volexity.com/blog/2022/02/03/operation-emailthief-active-exploitation-of-zero-day-xss-vulnerability-in-zimbra/

## Frequently asked questions

### Who is TEMP_Heretic?

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

### Where is TEMP_Heretic thought to be based?

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

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

Create an account and tell us the software you run. We match it against known flaws, including those linked to threat groups, rank each one from 0 to 100 and tell you as soon as we spot something that affects you.

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