mirror of
https://github.com/rapid7/metasploit-payloads
synced 2025-04-12 04:12:05 +02:00
cb9ae6acd4
Make the XOR key an array of bytes as a start to normalise the way the XOR happens across the board. Given that we're going to be adding encryption to the packet level and adding more stuff to the packet header, now is the time to fix this up once and for all.
111 lines
3.8 KiB
C
111 lines
3.8 KiB
C
/*!
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* @file common.h
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* @brief Declarations for various common components used across the Meterpreter suite.
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*/
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#ifndef _METERPRETER_SOURCE_COMMON_COMMON_H
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#define _METERPRETER_SOURCE_COMMON_COMMON_H
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/*! @brief Set to 0 for "normal", and 1 to "verbose", comment out to disable completely. */
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//#define DEBUGTRACE 0
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#include <stdlib.h>
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#include <stdio.h>
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#include <time.h>
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#define SAFE_FREE(x) {free(x); x = NULL;}
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#include <winsock2.h>
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#include <windows.h>
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typedef DWORD __u32;
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typedef struct ___u128 {
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__u32 a1;
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__u32 a2;
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__u32 a3;
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__u32 a4;
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}__u128;
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/*
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* Avoid conflicts with Windows crypto API defines
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*/
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#undef OCSP_RESPONSE
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#undef PKCS7_SIGNER_INFO
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#undef X509_EXTENSIONS
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#undef X509_CERT_PAIR
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#undef X509_NAME
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#include "linkage.h"
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#include "args.h"
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#include "buffer.h"
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#include "base.h"
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#include "core.h"
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#include "remote.h"
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#include "channel.h"
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#include "scheduler.h"
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#include "thread.h"
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#include "unicode.h"
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#include "list.h"
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#include "zlib/zlib.h"
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/*! @brief Indication that the Meterpreter transport is using TCP. */
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#define METERPRETER_TRANSPORT_TCP 0
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/*! @brief Indication that the Meterpreter transport is using HTTP. */
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#define METERPRETER_TRANSPORT_HTTP 1
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/*! @brief Indication that the Meterpreter transport is using HTTPS. */
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#define METERPRETER_TRANSPORT_HTTPS 2
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VOID sleep(DWORD seconds);
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#ifdef DEBUGTRACE
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#define dprintf(...) real_dprintf(__VA_ARGS__)
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#if DEBUGTRACE == 1
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#define vdprintf dprintf
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#else
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#define vdprintf(...) do{}while(0);
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#endif
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#else
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#define dprintf(...) do{}while(0);
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#define vdprintf(...) do{}while(0);
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#endif
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/*! @brief Sets `dwResult` to the return value of `GetLastError()`, prints debug output, then does `break;` */
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#define BREAK_ON_ERROR( str ) { dwResult = GetLastError(); dprintf( "%s. error=%d (0x%x)", str, dwResult, (ULONG_PTR)dwResult ); break; }
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/*! @brief Sets `dwResult` to `error`, prints debug output, then `break;` */
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#define BREAK_WITH_ERROR( str, err ) { dwResult = err; dprintf( "%s. error=%d (0x%x)", str, dwResult, (ULONG_PTR)dwResult ); break; }
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/*! @brief Sets `dwResult` to the return value of `WASGetLastError()`, prints debug output, then does `break;` */
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#define BREAK_ON_WSAERROR( str ) { dwResult = WSAGetLastError(); dprintf( "%s. error=%d (0x%x)", str, dwResult, (ULONG_PTR)dwResult ); break; }
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/*! @brief Sets `dwResult` to the return value of `GetLastError()`, prints debug output, then does `continue;` */
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#define CONTINUE_ON_ERROR( str ) { dwResult = GetLastError(); dprintf( "%s. error=%d (0x%x)", str, dwResult, (ULONG_PTR)dwResult ); continue; }
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/*! @brief Close a service handle if not already closed and set the handle to NULL. */
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#define CLOSE_SERVICE_HANDLE( h ) if( h ) { CloseServiceHandle( h ); h = NULL; }
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/*! @brief Close a handle if not already closed and set the handle to NULL. */
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#define CLOSE_HANDLE( h ) if( h ) { DWORD dwHandleFlags; if(GetHandleInformation( h , &dwHandleFlags)) CloseHandle( h ); h = NULL; }
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/*!
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* @brief Output a debug string to the debug console.
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* @details The function emits debug strings via `OutputDebugStringA`, hence all messages can be viewed
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* using Visual Studio's _Output_ window, _DebugView_ from _SysInternals_, or _Windbg_.
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*/
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static _inline void real_dprintf(char *format, ...)
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{
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va_list args;
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char buffer[1024];
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size_t len;
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_snprintf_s(buffer, sizeof(buffer), sizeof(buffer)-1, "[%x] ", GetCurrentThreadId());
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len = strlen(buffer);
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va_start(args, format);
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vsnprintf_s(buffer + len, sizeof(buffer)-len, sizeof(buffer)-len - 3, format, args);
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strcat_s(buffer, sizeof(buffer), "\r\n");
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OutputDebugStringA(buffer);
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}
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#endif
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int current_unix_timestamp(void);
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VOID xor_bytes(BYTE xorKey[4], LPBYTE buffer, DWORD bufferSize);
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VOID rand_xor_key(BYTE buffer[4]); |