Cybercriminals Expand DDOS Extortion Demands

Free toolkits and outsourced cybercrime services make DDoS attacks popular with Anonymous, criminals, unscrupulous business competitors and anyone with a grudge.

Dear website owner: Pay up or well launch a distributed denial-of-service (DDoS) attack against your website.
So goes the extortion threat now being made against multiple websites, including
Cryptome
, which Wednesday published an
Opsecure DDOS Extortion letter
. Dated Tuesday, the letter said that unless funds were transferred to a designated Bitcoin address, the Cryptome website will be undergoing a distributed denial of service attack conducted by 1 & 0 Logic Security Group, starting Friday. In total, the criminals demanded
1 Bitcoin as payment
, which as of Wednesday was equivalent to $102. Instead, Cryptome -- a digital archive that focuses on freedom of speech, cryptography, spying and surveillance -- published the letter, saying it was honored to have received it.
As detailed in a recent
Economist
report,
DDoS attacks are increasingly used by criminals to extort businesses
, with gangs demanding one or more payoffs if a business wants the disruption of its site to cease.
[ Microsoft offers bug hunters a big payday, but theres a hitch. See
Microsoft Dangles $100,000 Bug Bounty
. ]
The growth in DDoS attacks, which
remain illegal in many countries
, including the United States, has been fueled in part by more advanced, and often free, DDoS attack toolkits. With enough malware-infected -- aka zombie -- PCs or servers at their disposal, attackers can overwhelm nearly any unprotected website, sometimes in spectacular fashion. Earlier this year, for example, a DDoS attack against Spamhaus broke records by
spewing 300 gigabits per second
of bogus data. Spamhaus ultimately mitigated the attack against it -- which used thousands of infected domain name system (DNS) servers -- with the help of DDoS attack mitigation service provider CloudFlare.
Criminal enterprises are behind many of these DDoS disruptions, as demonstrated by a recent attack made using the new Drive version of DDoS tool DirtJumper. According to a
blog post from Jason Jones
, a researcher with the Arbor Networks security engineering and response team, he traced the attack back to a server that also hosted a BetaBot CnC [command-and-control server] and a Bitcoin mining harvester and all 3 were dropped by a Smoke Loader.
That refers to
BetaBot
, a relatively new and inexpensive piece of malware thats built to deactivate information security software, and
Smoke Loader
, which is malware used to load additional malware -- such as
crimeware toolkits
and remotely controlled DDoS tools -- onto infected systems.
DDoS attack tools, of course, have long been favored by the hacktivist set. In the run-up to the
Anonymous-backed attacks against North Korea
-- dubbed #OpNorthKorea -- launched Tuesday, for example, the hacktivist collective recommended participants tap one of a number of free DDoS attack tools, such as Slow Loris for Python and Windows, the
Low-Orbit Ion Canon
, or a set of techniques dubbed as the
OWASP Layer 7 DDOS Tool
.
Meanwhile, Izz ad-Din al-Qassam Cyber Fighters, which launched the
Operation Ababil attacks against U.S. banks
last year -- those attacks now appear to be on hiatus -- have favored the
itsoknoproblembro toolkit
, which is also known as Brobot. Theyve sneaked it onto thousands of legitimate sites, in part by exploiting a known vulnerability in a WordPress plug-in.
In South Korea in October 2011, meanwhile, a DDoS attack was used to disrupt the countrys National Election Commission website on the day of a Seoul mayoral by-election. Information on polling stations was made unavailable during morning hours when a large proportion of young, liberal-leaning constituents were expected to vote en route to work, according to a
Freedom House report
. Police later arrested a South Korean lawmaker, his personal assistant and the head of an IT services firm for being behind the attack, which authorities said peaked at 263 megabytes per second and was
generated using 200 zombie PCs
.
For people not well-versed in the art of configuring DDoS attack toolkits or sneaking remote-control DDoS attack code onto otherwise legitimate servers, outsourced services offer to do it for them. Filipino hacker Gwapo, for example,
advertises his DDoS attack service on YouTube
. Going rates for downing websites are $5 per hour for small personal websites, and up to $100 per hour depending on how huge or protected the target is, according to the video. Attacks can be contracted for the short term or long term, and scheduled in advance. Payment is accepted via Bitcoins, as well as CashU Codes, Moneypak and Webmoney. The service even promises refunds if the target has ... moved to a protected environment which we are not capable of taking down.
You need your business competitors, rivals, haters or whatever the reason or who they are to go down ... well they can, according to Gwapos video. You cannot go wrong.

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Cybercriminals Expand DDOS Extortion Demands