Sergei Anatolyevich Filimonov
Reports
3
First seen
Sep 8, 2026
Last seen
Sep 10, 2026
Motivation
Financial
Targeting
Sectors
Victim regions
×2×2
United States×2
Victim country, only when stated. Corpus is predominantly English-language reporting, so US/EU coverage is overweighted relative to true victim distribution.
Top ATT&CK techniques
T1110 Brute Force ×3T1598 Phishing: Spearphishing Link ×3T1566 Phishing ×2T1078 Valid Accounts ×2T1003 OS Credential Dumping ×1T1219 Remote Access Software ×1T1190 Exploit Public-Facing Application ×1T1555 Credentials from Password Stores ×1T1589 Gather Victim Identity Information ×1T1505.003 Web Shell ×1T1056 Input Capture ×1T1486 Data Encrypted for Impact ×1
Indicators
domain ×2cve ×1
Indicator values are available on Pro and via the API.
Associated CVEs
Recent reports
High