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Perimeter

7/6/2017
04:55 PM
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Hacking the State of the ISIS Cyber Caliphate

Researchers say Islamic State's United Cyber Caliphate remains in its infancy when it comes to cyberattack expertise.

Hackers operating within the Islamic State's United Cyber Caliphate may be well-versed and conversant in encrypted communications tools such as Telegram and WhatsApp, but they're still novices when it comes to their actual cyberattack expertise.

While the online propaganda machines and presence of some of the world's most prominent terrorist groups appear technologically advanced and organized, their underlying cyberattack tools and techniques are still rudimentary and limited, security researchers say. As such, they're not likely to disrupt a power plant with a cyberattack any time soon like a nation-state could do, yet there is always a concern of their eventual partnering with more advanced and resourced attack groups to wreak physical or other damage via cyberattacks.

Kyle Wilhoit, senior security researcher with DomainTools, has been studying the cyber capabilities of several terrorist groups. He found that the United Cyber Caliphate - the cyber arm of ISIS that has been in operation for nearly three years - employs techniques similar to those of a so-called script kiddie or fledgling hacker.

"Their relative overall technical expertise is low," he says.

The cyber terrorist group's denial-of-service attack MO is akin to a crowdsourced attack not unlike Anonymous employed in its heyday, for instance. "Their denial-of-service attacks are being executed through Windows applications on multiple hosts, but not infected" bots or a botnet infrastructure, he says. In other words, they're mostly using their own, or supporters', machines to pummel websites with SYN or other flood attacks, for example.

To cover its tracks, the terror group also employs domain-registration proxies for their online activity, he says, to help hide their real identities. 

"They are also leveraging what cybercriminals use," he says, test-driving malware development toolsets. "Just recently, with this research … [I] found them dabbling in the creation of malware."

Wilhoit spotted the Cyber Caliphate using the known underground crime toolkit Ancalog Exploit Builder to generate fake HTML pages to a command and control server. "That piece of malware looked like it was in the development phase. It wasn't weaponized," he says.

The terrorist group is most advanced when it comes to communicating among its members, he says. The members use the encrypted messaging platforms Telegram and WhatsApp to discuss and share information about hacking tools or targets they're going after, he says.

"Looking at their toolsets, I found that ultimately as it stands right now they don't have advanced enough technological capability to cause a major problem" or widespread damage, he says. "But that's not to say in the future" they couldn't become a bigger threat, he says.

Ken Wolf, senior analyst for cyber terror research at Flashpoint, concurs that the cyber terror groups are not skilled or sophisticated in their DoS attacks. His team also has spotted ISIS supporters in one top-tier ISIS forum employing a downloadable DoS tool they dubbed "Caliphate Cannon."

"It was written by a forum member" who appears to be an entry-level coder, he says. Members of the forum downloaded the tool and ran it from their machines in crowdsource-style, HTTP-flood DoS attacks against mainly Middle East government targets in January, for example.

"We've seen other cases where actors have been aggregating … open-source tools" for those attacks, he says. "But there's nothing that we've seen that's suggesting they are using those to inspire their own tool development," Wolf says.

"The greatest value that these actors provide is in their propaganda value," he says.

Ground Battle

It's unclear how the intensified ground battles in Raqqa, Syria and Mosul, Iraq, have affected the Islamic State's cyber powers. Wolf says his team of researchers hasn't seen any Telegram communications out of the United Cyber Caliphate (UCC) since late April, nor any real cyber activity. He says that could indicate manpower losses or other disruptions to their operations as a result of the ground battles.

"We've seen over the past year a few instances in which the United Cyber Caliphate or other groups aligned with it have announced members of their teams were killed in Syria. Most recently – in March – a UCC leader was killed in an airstrike in Syria," Wolf says. "But there's a lot of uncertainty who these actors are, or where they might be," whether on the ground fighting or elsewhere, he says.

Wilhoit says defending against cyber terror groups like the United Cyber Caliphate now doesn't require any different denial-of-service defenses than state-of-the-art firewalls and other best practices. "If you follow basic security precautions, most of these [attacks] can be blocked. They are not using infected botnets to perform denial-of-service attacks," and they are relatively small attacks, he says.

"I'm somewhat surprised that they are not further along than this," Wilhoit says of UCC's cyberattac capabilities. 

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Kelly Jackson Higgins is the Executive Editor of Dark Reading. She is an award-winning veteran technology and business journalist with more than two decades of experience in reporting and editing for various publications, including Network Computing, Secure Enterprise ... View Full Bio

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