beacon.h

/*
 * Beacon Object Files (BOF)
 * -------------------------
 * A Beacon Object File is a light-weight post exploitation tool that runs
 * with Beacon's inline-execute command.
 *
 * Additional BOF resources are available here:
 *   - https://github.com/Cobalt-Strike/bof_template
 *
 * Cobalt Strike 4.x
 * ChangeLog:
 *    1/25/2022: updated for 4.5
 */

/* data API */
typedef struct {
	char * original; /* the original buffer [so we can free it] */
	char * buffer;   /* current pointer into our buffer */
	int    length;   /* remaining length of data */
	int    size;     /* total size of this buffer */
} datap;

DECLSPEC_IMPORT void    BeaconDataParse(datap * parser, char * buffer, int size);
DECLSPEC_IMPORT char *  BeaconDataPtr(datap * parser, int size);
DECLSPEC_IMPORT int     BeaconDataInt(datap * parser);
DECLSPEC_IMPORT short   BeaconDataShort(datap * parser);
DECLSPEC_IMPORT int     BeaconDataLength(datap * parser);
DECLSPEC_IMPORT char *  BeaconDataExtract(datap * parser, int * size);

/* format API */
typedef struct {
	char * original; /* the original buffer [so we can free it] */
	char * buffer;   /* current pointer into our buffer */
	int    length;   /* remaining length of data */
	int    size;     /* total size of this buffer */
} formatp;

DECLSPEC_IMPORT void    BeaconFormatAlloc(formatp * format, int maxsz);
DECLSPEC_IMPORT void    BeaconFormatReset(formatp * format);
DECLSPEC_IMPORT void    BeaconFormatAppend(formatp * format, char * text, int len);
DECLSPEC_IMPORT void    BeaconFormatPrintf(formatp * format, char * fmt, ...);
DECLSPEC_IMPORT char *  BeaconFormatToString(formatp * format, int * size);
DECLSPEC_IMPORT void    BeaconFormatFree(formatp * format);
DECLSPEC_IMPORT void    BeaconFormatInt(formatp * format, int value);

/* Output Functions */
#define CALLBACK_OUTPUT      0x0
#define CALLBACK_OUTPUT_OEM  0x1e
#define CALLBACK_OUTPUT_UTF8 0x20
#define CALLBACK_ERROR       0x0d

DECLSPEC_IMPORT void   BeaconOutput(int type, char * data, int len);
DECLSPEC_IMPORT void   BeaconPrintf(int type, char * fmt, ...);


/* Token Functions */
DECLSPEC_IMPORT BOOL   BeaconUseToken(HANDLE token);
DECLSPEC_IMPORT void   BeaconRevertToken();
DECLSPEC_IMPORT BOOL   BeaconIsAdmin();

/* Spawn+Inject Functions */
DECLSPEC_IMPORT void   BeaconGetSpawnTo(BOOL x86, char * buffer, int length);
DECLSPEC_IMPORT void   BeaconInjectProcess(HANDLE hProc, int pid, char * payload, int p_len, int p_offset, char * arg, int a_len);
DECLSPEC_IMPORT void   BeaconInjectTemporaryProcess(PROCESS_INFORMATION * pInfo, char * payload, int p_len, int p_offset, char * arg, int a_len);
DECLSPEC_IMPORT BOOL   BeaconSpawnTemporaryProcess(BOOL x86, BOOL ignoreToken, STARTUPINFO * si, PROCESS_INFORMATION * pInfo);
DECLSPEC_IMPORT void   BeaconCleanupProcess(PROCESS_INFORMATION * pInfo);

/* Utility Functions */
DECLSPEC_IMPORT BOOL   toWideChar(char * src, wchar_t * dst, int max);