APT33

Pierluigi Paganini December 25, 2023
Iran-linked APT33 targets Defense Industrial Base sector with FalseFont backdoor

Microsoft reports that the Iran-linked APT33 group is targeting defense contractors worldwide with FalseFont backdoor. Microsoft says the APT33 (aka Peach Sandstorm, Holmium, Elfin, and Magic Hound) Iranian cyber-espionage group is using recently discovered FalseFont backdoor malware to attack against organizations in the Defense Industrial Base (DIB) sector. “Microsoft has observed the Iranian nation-state actor Peach Sandstorm attempting to […]

Pierluigi Paganini November 14, 2019
Tracking Iran-linked APT33 group via its own VPN networks

APT33, the Iran-linked APT group, has been using multiple layers of obfuscation to run a dozen live C2 servers for extremely targeted attacks. APT33, the Iran-linked APT group, has been using multiple layers of obfuscation to run a dozen live C2 servers involved in extremely targeted malware attacks. The targeted malware campaigns aimed at organizations […]

Pierluigi Paganini July 03, 2019
US Cyber Command warns of Iran-linked hackers exploiting CVE-2017-11774 Outlook flaw

US Cyber Command posted on Twitter an alert about cyber attacks exploiting the CVE-2017-11774 vulnerability in Outlook. Yesterday I was using Twitter when I noticed the following alert issued by the account managed by the US Cyber Command: The alert refers to an ongoing activity aimed at infecting government networks by exploiting the CVE-2017-11774 Outlook […]

Pierluigi Paganini April 12, 2018
APT33 devised a code injection technique dubbed Early Bird to evade detection by anti-malware tools

The Iran-linked APT33 group continues to be very active, security researchers at Cyberbit have discovered an Early Bird code injection technique used by the group. The Early Bird method was used to inject the TurnedUp malware into the infected systems evading security solutions. The technique allows injecting a malicious code into a legitimate process, it allows execution […]

Pierluigi Paganini September 21, 2017
Iranian cyber spies APT33 target aerospace and energy organizations

The Iran-linked APT33 group has been targeting aerospace and energy organizations in the United States, Saudi Arabia, and South Korea. According to security firm FireEye, a cyber espionage group linked to the Iranian Government, dubbed APT33, has been targeting aerospace and energy organizations in the United States, Saudi Arabia, and South Korea. The APT33 group has […]