ID RST:C4835E0E-D655-3A62-9792-BAB969117754 Type rst Reporter RST Threat Feed Modified 2020-09-16T00:00:00
Description
Found ultracrystal[.]ddns.net in RST Threat Feed with score 10.
First seen: 2020-09-16T03:00:00, Last seen: 2020-10-14T03:00:00.
IOC tags: c2.
It was found that the IOC is used by: njrat_rat.
IOC could be a False Positive (Domain not resolved. Whois records not found).
https://rstcloud.net/
{"id": "RST:C4835E0E-D655-3A62-9792-BAB969117754", "bulletinFamily": "ioc", "title": "RST Threat feed. IOC: ultracrystal.ddns.net", "description": "Found **ultracrystal[.]ddns.net** in [RST Threat Feed](https://rstcloud.net/profeed) with score **10**.\n First seen: 2020-09-16T03:00:00, Last seen: 2020-10-14T03:00:00.\n IOC tags: **c2**.\nIt was found that the IOC is used by: **njrat_rat**.\nIOC could be a **False Positive** (Domain not resolved. Whois records not found).\n[https://rstcloud.net/](https://rstcloud.net/)", "published": "2020-10-15T00:00:00", "modified": "2020-09-16T00:00:00", "cvss": {}, "href": "", "reporter": "RST Threat Feed", "references": [], "cvelist": [], "type": "rst", "lastseen": "2020-10-14T00:00:00", "edition": 1, "viewCount": 0, "enchantments": {"vulnersScore": "PENDING"}, "iocType": "domain", "ip": [], "domain": ["ultracrystal.ddns.net"], "url": [], "iocScore": {"ioc_frequency": 0.64, "ioc_src": 71.3, "ioc_tags": 0.89, "ioc_total": 10.0}, "tags": ["c2"], "fp": {"alarm": "true", "descr": "Domain not resolved. Whois records not found"}, "whois": {}, "geodata": {}, "asn": {}}