Indicator of Compromise
High
IP Address
Active
Value
20.255.212.138:32256
Association
Cobalt Strike
Tags
AS8075
C2
censys
CobaltStrike
cs-watermark-666666666
MICROSOFT-CORP-MSN-AS-BLOCK
Description
botnet_cc
First Seen
September 4, 2025 12:00
Last Seen
October 30, 2025 07:56
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': '20.255.212.138',
'malware': 'win.cobalt_strike',
'malware_alias': 'Agentemis,BEACON,CobaltStrike,cobeacon',
'malware_printable': 'Cobalt Strike',
'original_value': None,
'port': 32256,
'reference': 'https://search.censys.io/hosts/20.255.212.138',
'reporter': 'DonPasci',
'source': 'threatfox-abuse-ch',
'tags': ['AS8075',
'C2',
'censys',
'CobaltStrike',
'cs-watermark-666666666',
'MICROSOFT-CORP-MSN-AS-BLOCK'],
'threat_type': 'botnet_cc',
'threatfox_id': '1581709'}STIX Data
{'description': 'botnet_cc',
'external_references': [{'external_id': '1581709',
'source_name': 'threatfox-abuse-ch',
'url': 'https://threatfox.abuse.ch/ioc/1581709/'}],
'id': 'indicator--1581709',
'name': 'IP_ADDRESS: 20.255.212.138:32256',
'pattern': "[IP_ADDRESS:value = '20.255.212.138:32256']",
'pattern_type': 'stix',
'pattern_version': '2.1',
'type': 'indicator',
'valid_from': '2025-09-04 12:00:50',
'valid_until': '2025-10-30 07:56:12'}