Law Enforcement At RSAC: Collaboration Is Key To Online Crime Fighting

Agencies and investigators are reaching out across jurisdictions and international borders to vanquish spammers, botnet operators, and worse.

RSA CONFERENCE – San Francisco – An IP address that appeared to be German. A proxy, in front of a proxy, in front of another proxy. Then, after six months of investigation, plenty of back and forth with other international agencies and officials, and lots of dead-ends, the German federal police finally got their hands on the server and database powering the illegal sale of online access credentials, a black Amazon, according to Mirko Manske, team lead, cyber intelligence ops for Bundeskriminalamt (BKA).
Except that wasnt the end of it. The server drive was encrypted, Manske says.
Relying on a network of collaboration that included a university to decrypt the drive, plus coordination with US and EU law enforcement officials, and data from the National Cyber-Forensics and Training Alliance. Collectively, they were able to pull the plug on the nefarious marketplace, which had 10,000 members buying and selling stolen credentials using Bitcoin and altcoin.
We joined up with FBI and Europol, dividing up 180 suspects from multiple countries, Manske told RSA attendees last week. He spoke as part of a larger session addressing law enforcements increasing collaboration with other agencies, reaching out across jurisdictions and even international borders to vanquish spammers, botnet operators, and worse. The unambiguous message: Collaboration works, and in fact, may be the only way for law enforcement to shut down bad actors who can change identities, servers, and locations at will.
Cops cant do it alone, Manske says. If it had been just us, I wouldnt have known how to handle the workload. And without collaboration, I never would have been able to solve this case, he adds. Stop hiding what youre doing and start sharing what youre working on, he urges other enforcement officials.
Taking down the infamous
Avalanche network
would have been impossible without broad-based collaboration, according to Keith Mularski, a supervisory special agent with the Federal Bureau of Investigation, another RSA panelist.
Avalanche, a bullet-proof, criminal services hosting service for malware propagation and money laundering operating since 2010, was responsible for infecting as many as 500,000 computers daily, the FBI estimates.
On the day of the takedown in late November 2016, the FBI coordinated with counterparts and private-sector participants in 40 countries including Sweden, the Netherlands, France, Canada, Ukraine, Germany, Finland, and Australia, among others.
The FBI and its partners worked with top-level domain registrars around the world to sinkhole approximately all the compromised domains in Avalanche, Mularksi estimates. We had to make sure we got all of them, otherwise if we left one, the bad guys could take it back, and start reconstituting the whole operation, he adds.
The partners in the Avalanche takedown also performed victim identification and remediation; the
Shadowserver Foundation
helped identify the IP addresses so that ISPs could clean the machines. The net result from the internal cooperation: 50 servers seized worldwide and 830,000 malicious domains sinkholed, Mularski reports.
It took almost 12 years to find and capture
Sergey Fly Vovnenko
, according to James Meehan, deputy special agent in charge, US Secret Service. Among Vovnenkos many crimes were selling compromised payment card data, offering hackers for hire on elite forums, and running a botnet used to attack multiple companies. In real life, Vovnenko tried to frame security columnist Brian Krebs by sending
heroin
to Krebs home.
Investigators identified Vovnenkos residence in Naples, Italy, in 2014; the Secret Service, the US Justice Department, and Italian authorities then spent several weeks coordinating the arrest operations.
Collaboration is the key, having people on the ground who can help us, Meehan tells the RSA audience. If I need help, I know who to pick up the phone and talk to. He also credits the
Electronic Crimes Task Force
-- started in the US in the 1980s and now with offices in Rome, London, and Paris – with making international collaboration easier.
Meehan said that online criminals were communicating more efficiently than law enforcement was, frequently on encrypted Jabber channels. Behind the scenes, an international search warrant could take 6-8 months to secure, allowing for translation and submission of legal documents. Now were working with prosecutors in other countries where we can just make a phone call, he says. Theres the trust factor now, where before they wouldnt do anything til they got the paperwork.
Related Content:
Avalanche Botnet Comes Tumbling Down In Largest-Ever Sinkholing Operation
The Week In Justice: 3 Confessions, 2 Convictions & 2 Years For Two Hackers
FBI Tells Users To Protect Their Data
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Law Enforcement At RSAC: Collaboration Is Key To Online Crime Fighting