Secret F-35, P-8, C-130 data stolen in Australian defence contractor hack

Around 30 gigabytes of ITAR-restricted aerospace and commercial data was exfiltrated by an unknown malicious actor during the months-long 'Alf's Mystery Happy Fun Time' attack.

In November 2016, the Australian Signals Directorate (ASD) was alerted by a "partner organisation" that an attacker had gained access to the network of a 50-person aerospace engineering firm that subcontracts to the Department of Defence.

Restricted technical information on the F-35 Joint Strike Fighter, the P-8 Poseidon maritime patrol aircraft, the C-130 transport aircraft, the Joint Direct Attack Munition (JDAM) smart bomb kit, and "a few Australian naval vessels" was among the sensitive data stolen from a small Australian defence contractor in 2016.

The secret information was restricted under the International Traffic in Arms Regulations (ITAR), the US system designed to control the export of defence- and military-related technologies, according to Mitchell Clarke, an incident response manager at the ASD who worked on the case.

One document was a wireframe diagram of "one of the navy's new ships". A viewer could "zoom in down to the captain's chair and see that it's, you know, 1 metre away from nav chair", Clarke said.

The data theft was first reported on Tuesday as part of the 2017 Threat Report from the Australian Cyber Security Centre (ACSC). Little information was given at the time. The victim was described as a "small Australian company with contracting links to national security projects". The attacker had "sustained access to the network for an extended period of time" and had stolen a "significant amount of data".

Clarke provided significantly more detail in his presentation to the national conference of the Australian Information Security Association (AISA) in Sydney on Wednesday.

ASD named this advanced persistent threat (APT) actor "APT ALF", after a character in the long-running Australian TV soap opera Home and Away.

The attacker had in fact been in the network since at least mid July 2016, with data exfiltration starting around two weeks later. ASD refers to the three months between the attacker gaining access, and the ASD becoming aware of it, as "Alf's Mystery Happy Fun Time".

The attacker would have had little trouble gaining access.

The victim's network was small. One person managed all IT-related functions, and they'd only been in the role for nine months. High staff turnover was typical.

There was no protective DMZ network, no regular patching regime, and a common Local Administrator account password on all servers. Hosts had many internet-facing services.

Access was initially gained by exploiting a 12-month-old vulnerability in the company's IT Helpdesk Portal, which was mounting the company's file server using the Domain Administrator account. Lateral movement using those same credentials eventually gave the attacker access to the domain controller and the remote desktop server, and to email and other sensitive information.

"This isn't uncommon," Clarke said. "Only about 12 months old, if you look at government, that's not that out of date, unfortunately."

The attacker needn't have bothered with that, however. The ASD's investigation found that internet-facing services still had their default passwords, admin::admin and guest::guest.

An important aspect of this incident is that a small company, with resources that were clearly inadequate given the sensitivity of the data they held, still managed to obtain and hold ITAR certification.

According to Clarke, an application for ITAR certification is usually only "two or three pages", and asks only basic questions about organisations' security posture.

"One of the learning outcomes from this particular case study for at least the Australian government is that we need to find a way to start to be a little bit more granular in our contracting to mandate what type of security controls are required," Clarke said.

"That's not for my team to answer, but that's going to be an outcome of this sort of thing."

Clarke emphasised the importance of following best practices to secure networks, including the ASD's Essential Eight strategies to mitigate cybersecurity incidents.

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