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misc. refactoring, updated comments and minor documentation

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CPunch
2022-05-10 21:03:23 -05:00
parent e3a1f51d60
commit c4fc1a1fe6
7 changed files with 53 additions and 264 deletions
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11
lib/include/lbox.h
View File

@@ -25,10 +25,11 @@ enum {
2 main APIs are exposed here, laikaB_unlock() & laikaB_lock(). Both of which are inlined to make it more painful
for the reverse engineer to quickly dump boxes from memory, forcing them to set breakpoints across the executable.
Each box has its own VM, with it's own deobfuscation routine. This makes static analysis a painful route for string
dumping. Some predefined boxes are made for you to use.
dumping. These apis, while can be used directly, are abstracted through macros with the pre-built boxes.
Use LAIKA_BOX_STARTVAR & LAIKA_BOX_ENDVAR for quick and dirty usage. The data macros in `lboxconfig.h` are passed
to these, which are generated by VMBoxGen (`tools/vmboxgen`).
Use LAIKA_BOX_SKID_START & LAIKA_BOX_SKID_END for quick and dirty usage. The data macros in `lboxconfig.h` are passed
to these, which are generated by VMBoxGen (`tools/vmboxgen`). This will be extended in the future with more boxes and such,
however for the time being only LAIKA_BOX_SKID_* is implemented.
*/
struct sLaikaB_box {
@@ -62,7 +63,7 @@ struct sLaikaB_box {
/* ==============================================[[ Laika Boxes ]]=============================================== */
/* BOX_SKID decodes null-terminated strings using a provided xor _key. aptly named lol [SEE tools/vmtest/src/main.c] */
/* BOX_SKID decodes null-terminated strings using a provided xor _key. aptly named lol */
#define LAIKA_BOX_SKID(_key) { \
.unlockedData = {0}, /* reserved */ \
.code = { /* stack layout: \
@@ -110,7 +111,7 @@ LAIKA_FORCEINLINE void* laikaB_lock(struct sLaikaB_box *box) {
sodium_memzero(box->unlockedData, LAIKA_BOX_HEAPSIZE);
sodium_memzero(box->scratch, LAIKA_BOX_SCRATCH_SIZE);
}
/* include KEY_* & DATA_* macros for each obfuscated string */
#include "lboxconfig.h"
#endif

13
lib/include/lpeer.h
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@@ -21,13 +21,13 @@ typedef enum {
} OSTYPE;
#ifdef _WIN32
#define LAIKA_OSTYPE OS_WIN
# define LAIKA_OSTYPE OS_WIN
#else
#ifdef __linux__
#define LAIKA_OSTYPE OS_LIN
#else
#define LAIKA_OSTYPE OS_UNKNWN
#endif
# ifdef __linux__
# define LAIKA_OSTYPE OS_LIN
# else
# define LAIKA_OSTYPE OS_UNKNWN
# endif
#endif
struct sLaika_peer;
@@ -39,7 +39,6 @@ struct sLaika_peerPacketInfo {
bool variadic;
};
#define LAIKA_CREATE_PACKET_INFO(ID, HANDLER, SIZE, ISVARIADIC) [ID] = {.handler = HANDLER, .size = SIZE, .variadic = ISVARIADIC}
struct sLaika_peer {

78
lib/include/lsocket.h
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@@ -4,49 +4,49 @@
/* socket/winsock headers */
#ifdef _WIN32
/* windows */
#ifndef NOMINMAX
#define NOMINMAX
#endif
#define _WINSOCK_DEPRECATED_NO_WARNINGS
#include <winsock2.h>
#include <windows.h>
#include <ws2tcpip.h>
#pragma comment(lib, "Ws2_32.lib")
# ifndef NOMINMAX
# define NOMINMAX
# endif
# define _WINSOCK_DEPRECATED_NO_WARNINGS
# include <winsock2.h>
# include <windows.h>
# include <ws2tcpip.h>
# pragma comment(lib, "Ws2_32.lib")
typedef char buffer_t;
#define PollFD WSAPOLLFD
#define poll WSAPoll
#define LN_ERRNO WSAGetLastError()
#define LN_EWOULD WSAEWOULDBLOCK
#define LN_MSG_NOSIGNAL 0
#define SOCKETINVALID(x) (x == INVALID_SOCKET)
#define SOCKETERROR(x) (x == SOCKET_ERROR)
typedef char buffer_t;
# define PollFD WSAPOLLFD
# define poll WSAPoll
# define LN_ERRNO WSAGetLastError()
# define LN_EWOULD WSAEWOULDBLOCK
# define LN_MSG_NOSIGNAL 0
# define SOCKETINVALID(x) (x == INVALID_SOCKET)
# define SOCKETERROR(x) (x == SOCKET_ERROR)
#else
/* posix platform */
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <poll.h>
#ifdef __linux__
#include <sys/epoll.h>
/* max events for epoll() */
#define MAX_EPOLL_EVENTS 128
#define LAIKA_USE_EPOLL
#endif
#include <unistd.h>
#include <errno.h>
# include <sys/types.h>
# include <sys/socket.h>
# include <netdb.h>
# include <netinet/in.h>
# include <arpa/inet.h>
# include <poll.h>
# ifdef __linux__
# include <sys/epoll.h>
/* max events for epoll() */
# define MAX_EPOLL_EVENTS 128
# define LAIKA_USE_EPOLL
# endif
# include <unistd.h>
# include <errno.h>
typedef int SOCKET;
typedef void buffer_t;
#define PollFD struct pollfd
#define LN_ERRNO errno
#define LN_EWOULD EWOULDBLOCK
#define LN_MSG_NOSIGNAL MSG_NOSIGNAL
#define INVALID_SOCKET -1
#define SOCKETINVALID(x) (x < 0)
#define SOCKETERROR(x) (x == -1)
typedef int SOCKET;
typedef void buffer_t;
# define PollFD struct pollfd
# define LN_ERRNO errno
# define LN_EWOULD EWOULDBLOCK
# define LN_MSG_NOSIGNAL MSG_NOSIGNAL
# define INVALID_SOCKET -1
# define SOCKETINVALID(x) (x < 0)
# define SOCKETERROR(x) (x == -1)
#endif
#include <fcntl.h>
#include <stdbool.h>

34
lib/include/ltunnel.h
View File

@@ -1,34 +0,0 @@
#ifndef SHELLTUNNEL_H
#define SHELLTUNNEL_H
#include <inttypes.h>
#include "lmem.h"
#include "lsocket.h"
#include "lpeer.h"
#include "lpolllist.h"
struct sLaika_tunnel;
struct sLaika_tunnelConnection {
struct sLaika_socket sock;
struct sLaika_tunnel *tunnel;
struct sLaika_tunnelConnection *next;
uint16_t id;
};
struct sLaika_tunnel {
struct sLaika_tunnelConnection *connectionHead;
struct sLaika_peer *peer;
uint16_t port;
};
struct sLaika_tunnel *laikaT_newTunnel(struct sLaika_peer *peer, uint16_t port);
void laikaT_freeTunnel(struct sLaika_tunnel *tunnel);
struct sLaika_tunnelConnection *laikaT_newConnection(struct sLaika_tunnel *tunnel, uint16_t id);
void laikaT_freeConnection(struct sLaika_tunnelConnection *connection);
void laikaT_forwardData(struct sLaika_tunnelConnection *connection, struct sLaika_pollList *pList, void *data, size_t sz);
struct sLaika_tunnelConnection *laikaT_getConnection(struct sLaika_tunnel *tunnel, uint16_t id);
#endif