Indicator of Compromise
High IP Address Active
Value
3.99.191.168:5672
Association

NetSupportManager RAT

Tags
AMAZON-02 AS16509 C2 censys Netsupport RAT
Description

botnet_cc

First Seen

September 28, 2025 16:01

Last Seen

October 30, 2025 07:49
5 months, 4 weeks ago

Created

April 29, 2026 14:29

Last Updated

April 29, 2026 14:29

Additional Metadata
{'anonymous': '0',
 'confidence_level': 100,
 'crawled_at': '2026-04-29T14:29:09.924954+00:00',
 'ip': '3.99.191.168',
 'malware': 'win.netsupportmanager_rat',
 'malware_alias': 'NetSupport',
 'malware_printable': 'NetSupportManager RAT',
 'original_value': None,
 'port': 5672,
 'reference': 'https://search.censys.io/hosts/3.99.191.168',
 'reporter': 'DonPasci',
 'source': 'threatfox-abuse-ch',
 'tags': ['AMAZON-02', 'AS16509', 'C2', 'censys', 'Netsupport', 'RAT'],
 'threat_type': 'botnet_cc',
 'threatfox_id': '1603591'}
STIX Data
{'description': 'botnet_cc',
 'external_references': [{'external_id': '1603591',
                          'source_name': 'threatfox-abuse-ch',
                          'url': 'https://threatfox.abuse.ch/ioc/1603591/'}],
 'id': 'indicator--1603591',
 'name': 'IP_ADDRESS: 3.99.191.168:5672',
 'pattern': "[IP_ADDRESS:value = '3.99.191.168:5672']",
 'pattern_type': 'stix',
 'pattern_version': '2.1',
 'type': 'indicator',
 'valid_from': '2025-09-28 16:01:51',
 'valid_until': '2025-10-30 07:49:44'}
Quick Actions
Edit IOC Update from Web