cleanup to README files

This commit is contained in:
Bernardo Damele
2012-07-17 00:32:32 +01:00
parent 7198e3185b
commit 224e6376a6
11 changed files with 12 additions and 663 deletions

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@@ -1,25 +0,0 @@
Before compiling, an enviroment variable has to be set.
--------------------------------------------------------------------------
Variable name Variable description
--------------------------------------------------------------------------
PLATFORM_SDK_DIR Directory where the Platform SDK is installed
Procedure for setting environment variables on Windows:
My Computer -> Properties -> Advanced -> Environment Variables
User variables -> New
Sample value:
--------------------------------------------------------------------------
Variable name Variable value
--------------------------------------------------------------------------
PLATFORM_SDK_DIR C:\Program Files\Microsoft Platform SDK for Windows Server 2003 R2
Notes:
To get as small portable executable as possible compile as follows:
* Use Visual C++ 2005
* Strip the executable with UPX

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@@ -1,20 +0,0 @@

Microsoft Visual Studio Solution File, Format Version 9.00
# Visual C++ Express 2005
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "shellcodeexec", "shellcodeexec\shellcodeexec.vcproj", "{4D362A3E-CA53-444C-B1C8-C49641823875}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Win32 = Debug|Win32
Release|Win32 = Release|Win32
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{4D362A3E-CA53-444C-B1C8-C49641823875}.Debug|Win32.ActiveCfg = Debug|Win32
{4D362A3E-CA53-444C-B1C8-C49641823875}.Debug|Win32.Build.0 = Debug|Win32
{4D362A3E-CA53-444C-B1C8-C49641823875}.Release|Win32.ActiveCfg = Release|Win32
{4D362A3E-CA53-444C-B1C8-C49641823875}.Release|Win32.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
EndGlobal

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@@ -1,138 +0,0 @@
/*
shellcodeexec - Script to execute in memory a sequence of opcodes
Copyright (C) 2011 Bernardo Damele A. G.
web: http://bernardodamele.blogspot.com
email: bernardo.damele@gmail.com
This source code is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <ctype.h>
#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
#include <windows.h>
DWORD WINAPI exec_payload(LPVOID lpParameter);
#else
#include <sys/mman.h>
#include <sys/wait.h>
#include <unistd.h>
#endif
int sys_bineval(char *argv);
int main(int argc, char *argv[])
{
if (argc < 2) {
printf("Run:\n\tshellcodeexec <alphanumeric-encoded shellcode>\n");
exit(-1);
}
sys_bineval(argv[1]);
exit(0);
}
int sys_bineval(char *argv)
{
size_t len;
#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
int pID;
char *code;
#else
int *addr;
size_t page_size;
pid_t pID;
#endif
len = (size_t)strlen(argv);
#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
// allocate a +rwx memory page
code = (char *) VirtualAlloc(NULL, len+1, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
// copy over the shellcode
strncpy(code, argv, len);
// execute it by ASM code defined in exec_payload function
WaitForSingleObject(CreateThread(NULL, 0, exec_payload, code, 0, &pID), INFINITE);
#else
pID = fork();
if(pID<0)
return 1;
if(pID==0)
{
page_size = (size_t)sysconf(_SC_PAGESIZE)-1; // get page size
page_size = (len+page_size) & ~(page_size); // align to page boundary
// mmap an +rwx memory page
addr = mmap(0, page_size, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_SHARED|MAP_ANON, 0, 0);
if (addr == MAP_FAILED)
return 1;
// copy over the shellcode
strncpy((char *)addr, argv, len);
// execute it
((void (*)(void))addr)();
}
if(pID>0)
waitpid(pID, 0, WNOHANG);
#endif
return 0;
}
#if defined(_WIN64)
void __exec_payload(LPVOID);
DWORD WINAPI exec_payload(LPVOID lpParameter)
{
__try
{
__exec_payload(lpParameter);
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
}
return 0;
}
#elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
DWORD WINAPI exec_payload(LPVOID lpParameter)
{
__try
{
__asm
{
mov eax, [lpParameter]
call eax
}
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
}
return 0;
}
#endif

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@@ -1,195 +0,0 @@
<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
ProjectType="Visual C++"
Version="8.00"
Name="shellcodeexec"
ProjectGUID="{4D362A3E-CA53-444C-B1C8-C49641823875}"
RootNamespace="shellcodeexec"
>
<Platforms>
<Platform
Name="Win32"
/>
</Platforms>
<ToolFiles>
</ToolFiles>
<Configurations>
<Configuration
Name="Debug|Win32"
OutputDirectory="$(SolutionDir)$(ConfigurationName)"
IntermediateDirectory="$(ConfigurationName)"
ConfigurationType="1"
CharacterSet="2"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
/>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
AdditionalIncludeDirectories="$(PLATFORM_SDK_DIR)\include"
MinimalRebuild="true"
BasicRuntimeChecks="3"
RuntimeLibrary="3"
WarningLevel="3"
DebugInformationFormat="4"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
AdditionalLibraryDirectories="$(PLATFORM_SDK_DIR)"
GenerateDebugInformation="true"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCWebDeploymentTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
<Configuration
Name="Release|Win32"
OutputDirectory="$(SolutionDir)$(ConfigurationName)"
IntermediateDirectory="$(ConfigurationName)"
ConfigurationType="1"
CharacterSet="2"
WholeProgramOptimization="1"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
/>
<Tool
Name="VCCLCompilerTool"
Optimization="1"
EnableIntrinsicFunctions="true"
FavorSizeOrSpeed="2"
AdditionalIncludeDirectories="$(PLATFORM_SDK_DIR)\include"
RuntimeLibrary="2"
EnableFunctionLevelLinking="true"
WarningLevel="3"
DebugInformationFormat="0"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
AdditionalLibraryDirectories="$(PLATFORM_SDK_DIR)\Lib"
GenerateDebugInformation="false"
OptimizeReferences="2"
EnableCOMDATFolding="2"
OptimizeForWindows98="1"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCWebDeploymentTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
</Configurations>
<References>
</References>
<Files>
<Filter
Name="Source Files"
Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
>
<File
RelativePath=".\shellcodeexec.c"
>
</File>
</Filter>
<Filter
Name="Header Files"
Filter="h;hpp;hxx;hm;inl;inc;xsd"
UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
>
</Filter>
<Filter
Name="Resource Files"
Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
>
</Filter>
</Files>
<Globals>
</Globals>
</VisualStudioProject>