Category Archives: A Little Sunshine

Includes investigative blog posts meant to shine a light on the darker corners of the Internet.

Chinese Hackers Blamed for Intrusion at Energy Industry Giant Telvent

September 26, 2012
28 Comments

A company whose software and services are used to remotely administer and monitor large sections of the energy industry began warning customers last week that it is investigating a sophisticated hacker attack spanning its operations in the United States, Canada and Spain. Experts say digital fingerprints left behind by attackers point to a Chinese hacking group tied to repeated cyber-espionage campaigns against key Western interests.

Espionage Hackers Target ‘Watering Hole’ Sites

September 25, 2012
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Security experts are accustomed to direct attacks, but some of today’s more insidious incursions succeed in a roundabout way — by planting malware at sites deemed most likely to be visited by the targets of interest. New research suggests these so-called “watering hole” tactics recently have been used as stepping stones to conduct espionage attacks against a host of targets across a variety of industries, including the defense, government, academia, financial services, healthcare and utilities sectors.

Malware Dragnet Snags Millions of Infected PCs

September 19, 2012
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Last week, Microsoft Corp. made headlines when it scored an unconventional if not unprecedented legal victory: Convincing a U.S. court to let it seize control of a Chinese Internet service provider’s network as part of a crackdown on piracy.

I caught up with Microsoft’s chief legal strategist shortly after that order was executed, in a bid to better understand what they were seeing after seizing control over more than 70,000 domains that were closely associated with distributing hundreds of strains of malware. Microsoft said that within hours of the takeover order being granted, it saw more than 35 million unique Internet addresses phoning home those 70,000 malicious domains.

Exploit Released for Zero-Day in Internet Explorer

September 17, 2012
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A working exploit that takes advantage of a previously unknown critical security hole in Internet Explorer has been published online. Experts say the vulnerability is being actively exploited in the wild, and that it appears to be connected to the same group of Chinese hackers responsible for unleashing a pair of Java zero-day exploits late last month.

Microsoft Disrupts ‘Nitol’ Botnet in Piracy Sweep

September 13, 2012
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Microsoft said Thursday that it convinced a U.S. federal court to grant it control over a botnet believed to be closely linked to counterfeit versions Windows that were sold in various computer stores across China. The legal victory also highlights a Chinese Internet service that experts say has long been associated with targeted, espionage attacks against U.S. and European corporations.

Donkey Express: Mules Take Over the Mail

September 10, 2012
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This blog has featured several stories on reshipping scams, which recruit willing or unwitting U.S. citizens (“mules”) to reship abroad pricey items that are paid for with stolen credit cards. Today’s post highlights a critical component of this scheme: the black-market sale of international shipping labels fraudulently purchased from the U.S. Postal Service.

Attackers Pounce on Zero-Day Java Exploit

August 27, 2012
70 Comments

Attackers have seized upon a previously unknown security hole in Oracle’s ubiquitous Java software to break into vulnerable systems. So far, the attacks exploiting this weakness have been targeted and not widespread, but it appears that the exploit code is now public and is being folded into more widely-available attack tools such as Metasploit and exploit kits like BlackHole.

Inside the Grum Botnet

August 20, 2012
15 Comments

KrebsOnSecurity has obtained an exclusive look inside the back-end operations of the recently-destroyed Grum spam botnet. It appears that the crime machine was larger and more complex than many experts had imagined. It also looks like my previous research into the identity of the Grum botmaster was right on target.