Actors Insights|Latest update24/06/2025

Silent Librarian

Named by PhishLabsSuspected state sponsor: Islamic Republic of Iran
First Seen:Sep 2013
Last Seen:Oct 2020
Indexed Reports:2
Public IOCs:142
Cluster: Mabna InstituteMitre: Silent LibrarianMisp: Silent Librarian
also known as:
COBALT DICKENS (SecureWorks)Mabna Institute (real name)TA407 (Proofpoint)TA4900 (Proofpoint)Yellow Nabu (PWC)Silent Librarian (PhishLabs)G0122 (Mitre)APT39 (Mandiant)Chafer (Symantec)

Targeted Regions

Australia
AU
Australia
Australia
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Mar 2018 ~ Oct 2020
Mar 2018 ~ Oct 2020
Mar 2018 ~ Oct 2020
Mar 2018 ~ Oct 2020
Mar 2018 ~ Oct 2020
Mar 2018 ~ Oct 2020
Canada
CA
Canada
Canada
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
France
FR
France
France
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Germany
DE
Germany
Germany
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Oman
OM
Oman
Oman
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Saudi Arabia
SA
Saudi Arabia
Saudi Arabia
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
South Africa
ZA
South Africa
South Africa
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sweden
SE
Sweden
Sweden
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Turkey
TR
Turkey
Turkey
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
United Kingdom
GB
United Kingdom
United Kingdom
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
United States
US
United States
United States
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Sep 2013 ~ Mar 2018
Mar 2018 ~ Oct 2020
Mar 2018 ~ Oct 2020
Mar 2018 ~ Oct 2020
Mar 2018 ~ Oct 2020
Mar 2018 ~ Oct 2020
Mar 2018 ~ Oct 2020
Jan 2013Jun 2025

Targeted Sectors

UniversityGovernment Agencies and Services

Recent Indexed Reports

  1. Public
    Silent Librarian Resumes Spearphishing Attacks Against Global Universities
  2. Public
    Silent Librarian: Iranian Group Targets Global Universities and Research Institutions

Disclaimer: We are working on indexing and analyzing relevant data and this process is not fully completed yet. Therefore, displayed details and statistics may will change in the future.