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Added initial support for process monitoring
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| //===============================================================================================// | ||
| // Copyright (c) 2012, Stephen Fewer of Harmony Security (www.harmonysecurity.com) | ||
| // All rights reserved. | ||
| // | ||
| // Redistribution and use in source and binary forms, with or without modification, are permitted | ||
| // provided that the following conditions are met: | ||
| // | ||
| // * Redistributions of source code must retain the above copyright notice, this list of | ||
| // conditions and the following disclaimer. | ||
| // | ||
| // * Redistributions in binary form must reproduce the above copyright notice, this list of | ||
| // conditions and the following disclaimer in the documentation and/or other materials provided | ||
| // with the distribution. | ||
| // | ||
| // * Neither the name of Harmony Security nor the names of its contributors may be used to | ||
| // endorse or promote products derived from this software without specific prior written permission. | ||
| // | ||
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR | ||
| // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | ||
| // FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | ||
| // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | ||
| // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| // POSSIBILITY OF SUCH DAMAGE. | ||
| //===============================================================================================// | ||
| #include "stdafx.h" | ||
| #include "GetProcAddressR.h" | ||
| //===============================================================================================// | ||
| // We implement a minimal GetProcAddress to avoid using the native kernel32!GetProcAddress which | ||
| // wont be able to resolve exported addresses in reflectivly loaded librarys. | ||
| FARPROC WINAPI GetProcAddressR(HANDLE hModule, LPCSTR lpProcName) | ||
| { | ||
| UINT_PTR uiLibraryAddress = 0; | ||
| FARPROC fpResult = NULL; | ||
|
|
||
| if (hModule == NULL) | ||
| return NULL; | ||
|
|
||
| // a module handle is really its base address | ||
| uiLibraryAddress = (UINT_PTR)hModule; | ||
|
|
||
| __try | ||
| { | ||
| UINT_PTR uiAddressArray = 0; | ||
| UINT_PTR uiNameArray = 0; | ||
| UINT_PTR uiNameOrdinals = 0; | ||
| PIMAGE_NT_HEADERS pNtHeaders = NULL; | ||
| PIMAGE_DATA_DIRECTORY pDataDirectory = NULL; | ||
| PIMAGE_EXPORT_DIRECTORY pExportDirectory = NULL; | ||
|
|
||
| // get the VA of the modules NT Header | ||
| pNtHeaders = (PIMAGE_NT_HEADERS)(uiLibraryAddress + ((PIMAGE_DOS_HEADER)uiLibraryAddress)->e_lfanew); | ||
|
|
||
| pDataDirectory = (PIMAGE_DATA_DIRECTORY)&pNtHeaders->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT]; | ||
|
|
||
| // get the VA of the export directory | ||
| pExportDirectory = (PIMAGE_EXPORT_DIRECTORY)(uiLibraryAddress + pDataDirectory->VirtualAddress); | ||
|
|
||
| // get the VA for the array of addresses | ||
| uiAddressArray = (uiLibraryAddress + pExportDirectory->AddressOfFunctions); | ||
|
|
||
| // get the VA for the array of name pointers | ||
| uiNameArray = (uiLibraryAddress + pExportDirectory->AddressOfNames); | ||
|
|
||
| // get the VA for the array of name ordinals | ||
| uiNameOrdinals = (uiLibraryAddress + pExportDirectory->AddressOfNameOrdinals); | ||
|
|
||
| // test if we are importing by name or by ordinal... | ||
| if (((ADDRESS_VALUE)lpProcName & 0xFFFF0000) == 0x00000000) | ||
| { | ||
| // import by ordinal... | ||
|
|
||
| // use the import ordinal (- export ordinal base) as an index into the array of addresses | ||
| uiAddressArray += ((IMAGE_ORDINAL((ADDRESS_VALUE)lpProcName) - pExportDirectory->Base) * sizeof(DWORD)); | ||
|
|
||
| // resolve the address for this imported function | ||
| fpResult = (FARPROC)(uiLibraryAddress + DEREF_32(uiAddressArray)); | ||
| } | ||
| else | ||
| { | ||
| // import by name... | ||
| DWORD dwCounter = pExportDirectory->NumberOfNames; | ||
| while (dwCounter--) | ||
| { | ||
| char* cpExportedFunctionName = (char*)(uiLibraryAddress + DEREF_32(uiNameArray)); | ||
|
|
||
| // test if we have a match... | ||
| if (strcmp(cpExportedFunctionName, lpProcName) == 0) | ||
| { | ||
| // use the functions name ordinal as an index into the array of name pointers | ||
| uiAddressArray += (DEREF_16(uiNameOrdinals) * sizeof(DWORD)); | ||
|
|
||
| // calculate the virtual address for the function | ||
| fpResult = (FARPROC)(uiLibraryAddress + DEREF_32(uiAddressArray)); | ||
|
|
||
| // finish... | ||
| break; | ||
| } | ||
|
|
||
| // get the next exported function name | ||
| uiNameArray += sizeof(DWORD); | ||
|
|
||
| // get the next exported function name ordinal | ||
| uiNameOrdinals += sizeof(WORD); | ||
| } | ||
| } | ||
| } | ||
| __except (EXCEPTION_EXECUTE_HANDLER) | ||
| { | ||
| fpResult = NULL; | ||
| } | ||
|
|
||
| return fpResult; | ||
| } | ||
| //===============================================================================================// |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| //===============================================================================================// | ||
| // Copyright (c) 2012, Stephen Fewer of Harmony Security (www.harmonysecurity.com) | ||
| // All rights reserved. | ||
| // | ||
| // Redistribution and use in source and binary forms, with or without modification, are permitted | ||
| // provided that the following conditions are met: | ||
| // | ||
| // * Redistributions of source code must retain the above copyright notice, this list of | ||
| // conditions and the following disclaimer. | ||
| // | ||
| // * Redistributions in binary form must reproduce the above copyright notice, this list of | ||
| // conditions and the following disclaimer in the documentation and/or other materials provided | ||
| // with the distribution. | ||
| // | ||
| // * Neither the name of Harmony Security nor the names of its contributors may be used to | ||
| // endorse or promote products derived from this software without specific prior written permission. | ||
| // | ||
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR | ||
| // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | ||
| // FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | ||
| // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | ||
| // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| // POSSIBILITY OF SUCH DAMAGE. | ||
| //===============================================================================================// | ||
| #ifndef _REFLECTIVEDLLINJECTION_GETPROCADDRESSR_H | ||
| #define _REFLECTIVEDLLINJECTION_GETPROCADDRESSR_H | ||
| //===============================================================================================// | ||
| #include "ReflectiveDLLInjection.h" | ||
|
|
||
| // Address type | ||
|
|
||
| #if defined _M_X64 | ||
| #define ADDRESS_VALUE unsigned long long | ||
| #elif defined _M_IX86 | ||
| #define ADDRESS_VALUE unsigned int | ||
| #endif | ||
|
|
||
| FARPROC WINAPI GetProcAddressR(HANDLE hModule, LPCSTR lpProcName); | ||
| //===============================================================================================// | ||
| #endif | ||
| //===============================================================================================// |
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