Last Updated: January 19, 2026
Mostafa HAJI HOSSEINI
Aliases
Mostafa HAJIHOSSEINI; Mostafa HAJJI HOSEINI ROKNABADI
Nationality
Iran
DoB
1991
Address
Iran
Reg. ID
4480031340, National ID No.
Official reason
From September 2021 through the present, this group primarily gained unauthorized access to victim networks by exploiting Microsoft Exchange and related ProxyShell vulnerabilities, including an incident in October 2021 when they compromised the network of an electric utility company serving a rural area of the United States, and maliciously used Bi...
Other Information
https://home.treasury.gov/news/press-releases/jy0948
Date of listing
2022-09-14
Program information
Authority
US
Program
Iranian Financial Sanctions Regulations, 31 CFR part 561
Regime
OFAC country specific
Target State
Iran
Measures
Blocking Property, Suspending Entry, Trade sanctions
Sanctions Portfolio
• https://ofac.treasury.gov/faqs/topic/1551
Official Information
On August 16, 2010, OFAC issued the Iranian Financial Sanctions Regulations, 31 CFR part 561 (75 FR 49836, August 16, 2010) (IFSR) to implement provisions of the Comprehensive Iran Sanctions, Accountability, and Divestment Act of 2010 (Pub. L. 111–195) (22 U.S.C. 8501–8551). Since then, OFAC has amended the IFSR several times.
Additional Details
SDN
Program URL
https://www.ecfr.gov/current/title-31/subtitle-B/chapter-V/part-561