Bill Marczak

Twitter Globe Envelope

I am a Senior Research Fellow at Citizen Lab, a co-founder of Bahrain Watch, and a Postdoctoral Researcher at UC Berkeley, where I received my PhD in Computer Science under the advisorship of Vern Paxson. My work focuses on novel technological threats to Internet freedom, including new censorship and surveillance tools. My expertise is in Internet scanning and conducting digital investigations. Coverage of my work has been featured in Vanity Fair, the New York Times, the Washington Post, on CNN, and on Larry King.

Articles

FORCEDENTRY: NSO Group iMessage Zero-Click Exploit Captured in the Wild

While analyzing the phone of a Saudi activist infected with NSO Group’s Pegasus spyware, we discovered a zero-day zero-click exploit against iMessage. The exploit, which we call FORCEDENTRY, targets Apple’s image rendering library, and was effective against Apple iOS, MacOS and WatchOS devices.

من اللؤلؤة إلى بيغاسوس: الحكومة البحرينية تخترق نشطاء عبر استغلال ثغرة “Zero-Click” من “NSO Group”

لقد حددنا تسعة نشطاء بحرينيين تم اختراق أجهزتهم الآيفون باستخدام برنامج تجسس “Pegasus” من NSO Group في الفترة ما بين يونيو 2020 و فبراير 2021. بعض النشطاء قد تم اختراقهم باستغلال ثغرتين zero-click في iMessage, كنا قد سمينا الثغرتين التي تم اكتشافها في 2020 ب KISMET، أما الثغرة المستخدمة في 2021 فنسميها FORCEDENTRY

From Pearl to Pegasus: Bahraini Government Hacks Activists with NSO Group Zero-Click iPhone Exploits

We identified nine Bahraini activists whose iPhones were successfully hacked with NSO Group’s Pegasus spyware between June 2020 and February 2021. The hacked activists included three members of Waad (a secular Bahraini political society), three members of the Bahrain Center for Human Rights, two exiled Bahraini dissidents, and one member of Al Wefaq (a Shiite Bahraini political society).

Independent Peer Review of Amnesty International’s Forensic Methods for Identifying Pegasus Spyware

Forbidden Stories and Amnesty International requested that the Citizen Lab undertake an independent peer review of a sample of their forensic evidence and their general forensic methodology. We were provided with iTunes backups of several devices and a separate methodology brief, and independently validated that Amnesty International’s forensic methodology correctly identified infections with NSO’s Pegasus spyware.

Hooking Candiru: Another Mercenary Spyware Vendor Comes into Focus

Candiru is a secretive Israel-based company that sells spyware exclusively to governments. Using Internet scanning, we identified more than 750 websites linked to Candiru’s spyware infrastructure. We found many domains masquerading as advocacy organizations such as Amnesty International, the Black Lives Matter movement, as well as media companies, and other civil-society themed entities.

الاختراق العظيم: صحفيون تم اختراقهم باستغلال ثغرات غير معروفة “Zero-click” في “iMessage”

في شهري يوليو وأغسطس 2020 استخدم عملاءٌ حكوميون برنامج التجسس بيغاسوس “Pegasus” من مجموعة “NSO” لاختراق 36 هاتفاً شخصياً لصحفيين ومنتجين ومراسلين و مدراء تنفيذيين في قناة الجزيرة. كما تم اختراق هاتف صحفية في قناة العربي، التي مقرها لندن.

The Great iPwn: Journalists Hacked with Suspected NSO Group iMessage ‘Zero-Click’ Exploit

Government operatives used NSO Group’s Pegasus spyware to hack 36 personal phones belonging to journalists, producers, anchors, and executives at Al Jazeera. The journalists were hacked by four Pegasus operators, including one operator MONARCHY that we attribute to Saudi Arabia, and one operator SNEAKY KESTREL that we attribute to the United Arab Emirates.

Running in Circles: Uncovering the Clients of Cyberespionage Firm Circles

Circles is a surveillance firm that reportedly exploits weaknesses in the global mobile phone system to snoop on calls, texts, and the location of phones around the globe, and is affiliated with NSO Group, which develops the oft-abused Pegasus spyware. Using Internet scanning, we found a unique signature associated with the hostnames of Check Point firewalls used in Circles deployments, enabling us to identify Circles deployments in at least 25 countries.