In function definitions, Railgun supports these datatypes: VOID, BOOL, DWORD, WORD, BYTE, LPVOID, HANDLE, PDWORD, PWCHAR, PCHAR, PBLOB. # 2nd argument = Return value's data typeĭll.add_function('SomeFunction', 'DWORD',[ The following template should demonstrate how a DLL is actually defined:ĭef self.create_dll(dll_path = 'somedll')ĭll = DLL.new(dll_path, ApiConstants.manager) The same list of built-in DLLs can also be retrieved by using the known_dll_names method.Īll DLL definitions are found in the “def” directory, where they are defined as classes. These built-in DLLs are: kernel32, ntdll, user32, ws2_32, iphlpapi, advapi32, shell32, netapi32, crypt32, wlanapi, wldap32, version. The Windows API is quite large with a number of documented and undocumented calls, so by default Railgun only comes with a handful of pre-defined DLLsĪnd functions that are commonly used for building a Windows program. If you’re a penetration tester, obviously post exploitation is an important skill to have, but if you don’t know Railgun, Window Management Framework (“PowerShell”) 5.1 provides: Note: We state Windows 10 before version 1703, as 1703 introduced a number of security improvements that detect Railgun: It can even be used to bypass Anti-Virus by calling functions directly from DLLs How to use Railgun for Windows post exploitationįor the purpose of this post, we will assume you have successfully launched a meterpreter torjan on a test vm, or exploited a vulnerable vmĪnd have a meterpreter session on a Windows(XP/7/10(<1703)) target. It allows you to have complete control of your target machine’s Windows API, or you can use whatever DLL you find and do even more creative stuff with it. Now, hypersonics will fill the void left by the AGS guns.Railgun is a very powerful post exploitation feature exclusive to Windows Meterpreter. The service has repeatedly floated replacing the two 155-millimeter Advanced Gun Systems (AGS) on the Zumwalts with railguns, since the cost of the precision-guided round developed for the guns has become unaffordable. The Navy announced in May it plans to add its C-HGB to its Zumwalt-class destroyers. That’s fast enough to engage time-sensitive targets from a safe distance. Army, has a top speed of Mach 17 and a range of more than 1,700 miles. The Navy’s new Common Hypersonic Glide Body (C-HGB), developed in conjunction with the U.S. Railguns appear to have fallen victim to the new trend: hypersonic weapons. As an offensive weapon, the railgun’s range of 50 to 100 miles is relatively short, placing a railgun-equipped ship within range of longer-range weapons, including China’s DF-21D anti-ship ballistic missile.Īnd while the railgun also has defensive potential since it can shoot down incoming aircraft, missiles, and drones, the Navy already has plenty of existing missiles and guns to deal with those threats. The railgun concept itself is also out of step with the Navy’s reorientation toward great power conflict, particularly a possible war with China or Russia. The Navy planned to install a railgun prototype on the expeditionary fast transport USNS Millinocket, but that never happened. Railguns, meanwhile, using electricity and magnetism instead of gunpowder and chemical energy to accelerate a projectile down a pair of rails. Regular guns use the pressure from an ignited gunpowder charge to expel a projectile from the barrel, sending it flying on a ballistic trajectory. The Navy’s budget request includes no funding for the railgun in 2022, The Drive reports.Įlectromagnetic railguns are decidedly different from conventional guns, cannons, and howitzers. The weapon is a victim of a change in the Navy’s direction toward faster, longer-range weapons that are capable of striking ships and land targets in a major war. The service is ending funding for the railgun without having sent a single weapon to sea, while pushing technology derived from the program into existing weapons. Navy’s push to create a $500 million electromagnetic railgun weapon-capable of slinging projectiles at hypersonic speeds-appears to have come to an end. Although impressive, the railgun has been overshadowed by other weapons, particularly hypersonics.The railgun appears to be the victim of the service’s new emphasis on great power competition.Navy is finally canceling its electromagnetic railgun development program.
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