Software vendors provide updates for many known vulnerabilities, so make sure these updates are applied to all devices.įor more general tips, see prevent malware infection. The best prevention for exploits is to keep your organization's software up to date. The "0778" is a unique ID for this specific vulnerability. The portion "2016" refers to the year the vulnerability was discovered. The project gives each vulnerability a unique number, for example, CVE-2016-0778.
For example, Exploit:Java/CVE-2013-1489.A is an exploit that targets a vulnerability in Java.Ī project called "Common Vulnerabilities and Exposures (CVE)" is used by many security software vendors. The Blackhole exploit kit has made a surprising reappearance two years after cybercriminals stopped using it, according to security vendor Malwarebytes. We categorize exploits in our Malware encyclopedia by the "platform" they target. To learn more about exploits, read this blog post on taking apart a double zero-day sample discovered in joint hunt with ESET. Several notable threats, including Wannacry, exploit the Server Message Block (SMB) vulnerability CVE-2017-0144 to launch malware. BlackHole exploit kit is yet another in an ongoing wave of attack toolkits flooding the underground market. The infographic below shows how an exploit kit might attempt to exploit a device after you visit a compromised webpage.įigure 1.
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Some websites unknowingly and unwillingly host malicious code and exploits in their ads. The most common method used by attackers to distribute exploits and exploit kits is through webpages, but exploits can also arrive in emails. Kits can use exploits targeting a variety of software, including Adobe Flash Player, Adobe Reader, Internet Explorer, Oracle Java, and Sun Java. These kits scan devices for different kinds of software vulnerabilities and, if any are detected, deploy additional malware to further infect a device. Shellcode allows hackers to infect devices and infiltrate organizations.Įxploit kits are more comprehensive tools that contain a collection of exploits.
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Exploits often include shellcode, which is a small malware payload used to download additional malware from attacker-controlled networks. Hackers scan for outdated systems that contain critical vulnerabilities, which they then exploit by deploying targeted malware. This way the exploit kit is not exposed toautomated.
How exploits and exploit kits workĮxploits are often the first part of a larger attack. Blackhole exploit kit holds a list of 132,220 bot IPs which can beautomatically blocked by the engine. Malware exploits these vulnerabilities to bypass your computer's security safeguards to infect your device. A vulnerability is like a hole in your software that malware can use to get onto your device. Learn more about how we keep you secure from threats like Blackhole and everything that comes next.Exploits take advantage of vulnerabilities in software. Our SophosLabs researchers track millions of pieces of malware, in real time. Read more of Fraser’s take on these developments here: Assessing the impact of the Blackhole arrests.įor a deep dive into how Blackhole works and how it evolved, we recommend checking out our technical papers: Inside a Black Hole and Inside a Black Hole Part 2. We also covered Blackhole extensively in our whitepaper Malware B-Z: Inside the Threat From Blackhole to ZeroAccess. As Blackhole declines, other crimeware kits will rise to take its place. Unfortunately, Fraser explains, that doesn’t necessarily mean cybercriminals will take a hit or that threats will decrease overall. That might mean Blackhole is headed toward the exit.
So does this mean the end of Blackhole? And how will this news change the threat landscape overall?Īccording to Fraser, “assuming that the players behind Blackhole have indeed been removed from the game, it is possible that the apparent decline we have seen in the past week will continue.” It spreads through phishing emails, malicious websites, and fake Tweets. But more importantly, SophosLabs went to work to understand this development and figure out what it means for cybercrime and IT security at large.Īs SophosLabs researcher Fraser Howard reported yesterday in his post at Naked Security, Blackhole had already been declining in prevalence prior to the arrests. The insidious Blackhole Exploit Kit is implicated in a huge number of malware infections. The exploit works by infecting a user when they. When news broke in October that the criminals behind the notorious Blackhole exploit kit had been arrested in Russia, our threat experts were understandably excited. wiredmikey writes 'The popular Blackhole exploit kit, assumed to be created and maintained by an individual going by the online moniker of Paunch, who continuously updates the browser exploit software, looks like it has just received another upgrade.
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