Intrusion setG0087

APT39

Also tracked as ITG07, Chafer, Remix Kitten

APT39 is one of several names for cyber espionage activity conducted by the Iranian Ministry of Intelligence and Security (MOIS) through the front company Rana Intelligence Computing since at least 2014. APT39 has primarily targeted the travel, hospitality, academic, and telecommunications industries in Iran and across Asia, Africa, Europe, and North America to track individuals and entities considered to be a threat by the MOIS.

Documented techniques
53
Assessed motivation
Espionage
First seen
2014
Basis
MITRE ATT&CK

How they break in

Techniques MITRE has documented this group using, grouped by the stage of an attack they belong to. This is the actionable half: each one is a behaviour you can look for in your own logs, and a control you can test.

resource development1

privilege escalation1

Malware

Families MITRE records this group deploying. Detection names for these are a reasonable place to start.

ASPXSpyCadelspyMechaFlounderRemexi

Tools

Legitimate or dual-use software the group is documented using. Most of it is software your own administrators use too, which is the point.

CrackMapExecMimikatzNBTscanPsExecWindows Credential Editorftppwdump
Source: MITRE ATT&CK View the original record · Last synchronised 2026-09-09 · Origin and motivation are read from MITRE’s own description and are not structured fields in ATT&CK. Where the text does not attribute a group, this page leaves them blank rather than guessing.