Silent Librarian

APT / StateG0122 ↗
Origin🇮🇷 Irã
Techniques (MITRE ATT&CK)13
SourceMITRE ATT&CK
0
Also known as:COBALT DICKENSMabna InstituteMabna Institute GroupTA407TA4900Yellow Nabu

About the group

Silent Librarian is a group that has targeted research and proprietary data at universities, government agencies, and private sector companies worldwide since at least 2013. Members of Silent Librarian are known to have been affiliated with the Iran-based Mabna Institute which has conducted cyber intrusions at the behest of the government of Iran, specifically the Islamic Revolutionary Guard Corps (IRGC).

Attack chain

Plausible scenario built from the group's real techniques, ordered by the phases of an attack. Each step shows how the group typically operates.

Arsenal severity20
Impact: High
T1110.003CREDCredential accessPassword SprayingCOLLCollectionEmail Collection

Illustrative chain derived from techniques documented in MITRE ATT&CK — it does not represent a specific past attack. Severity summarizes the known arsenal (kill-chain coverage, actively exploited CVEs, techniques).

Techniques (MITRE ATT&CK) 13

How the group operates, mapped to the MITRE ATT&CK matrix and organized by the phases of an attack.

Exploited vulnerabilities

No CVEs attributed to this group in public sources (MITRE ATT&CK). Absence of attribution does not mean absence of activity.

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