Easybee exploit1/7/2024 ![]() I loaded my own DLL into the machine using DoublePulsar, DanderSpritz could be used to manage other implants such as PeddleCheap and ExpandingPulley. Step 4: COMMAND & CONTROL – DanderSpritz Earlier But this off course could just as well have been something malicious. I was able to load a DLL into LSASS.EXE spawning calc.exe as a POC. The DoublePulsar backdoor allows to inject and run any DLL (Dynamic Link Library), that way compromising the computer and using it for whatever purpose. Step 3: INSTALLATION – Using DoublePulsar to launch an additional Backdoor I was able to successfully exploit a Windows 7 SP1 system, which gave me access to the system via the DoublePulsar implant/backdoor. A successful exploitation installs a backdoor called DoublePulsar. The EternalBlue exploit targets Windows XP through 2008 R2. It’s a python based command-line toolkit, looking something like this: Step 2: EXPLOITATION – Win7 SP1 using EternalBlue I setup a system and installed FuzzBunch on it. Step 1: DELIVERY – FuzzBunch as launching platform (Note: EternalBlue seems to be patched with MS17-010, it’s an SMB bug that impacts Windows XP up to Windows 10 and Windows Server 2016). So I decided to testrun EternalBlue, the exploit targeting SMB. The FuzzBunch framework contains several ready to use exploits are available, each for specific types of targets: It’s an easy to use framework for the operator in order to launch exploits and interact with the implants. ![]() Fuzzbunch can be compared to MetaSploit but is written in Python instead of Ruby. One of the elements in the ShadowBrokers data dump, is Fuzzbunch. Someone else claims the amount of public SMB is much higher: 2 Million. With the help of Shodan I quickly found that 15.000 systems (Windows XP, 7 and 8) are currently publishing SMB on the public internet and therefore are wide open for exploitation right now. The difference is that a patch is available this time… Back in 2008-2009 this malware led to chaos and even years after MS08-067 remained a popular attack vector for hackers. I would say that the SMB exploit in this package falls in the same category as MS08-067, the infamous vulnerability in Netapi emerging toward the surface after being used by Conficker, a well-known type of malware. Comparable to MS08-067 (Conficker vulnerability) It is basically the default way computers are remotely managed in any environment, so a vulnerability in has huge impact. SMB is a network file sharing protocol that allows applications on a computer to read and write (in)to files and request services from server programs in a computer network. SMB exploitsĮspecially the exploits targeting SMB (Server Message Block) and NetBios protocol stand out. Therefore, this development could have major impact on business environments, without anyone consciously noticing. My experience as a penetration tester is that a lot of internal networks and/or systems will not receive patches for a long time. The fact that Microsoft published patches a month earlier means users are able to protect themselves. All SMB (Server Message Block) exploits seem to have been patched. It seems Microsoft had early access to the dump or it’s an extremely lucky break for Microsoft. Most of the exploits are zerodays: bugs that have never been seen before. As opposed to the earlier leaks by ShadowBrokers targeting Network and Linux infrastructure. The relation between most of the found exploits is that they are used to infiltrate a Windows Endpoint. The package contains quite a few exploits, targeting Microsoft Windows, Lotus Notes, MDaemon Webadmin, IIS and Microsoft Exchange. Like many I decided to have a look at what’s in the package, and play around with it a little. ShadowBrokers leaked a new bunch of hacking tools, supposedly obtained from equation group (suspectedly tied to the NSA).
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