hackers beware the ultimate guide to network security phần 2 docx

... win 321 20 (DF) [tos 0x10] 11:17:14. 125 905 eth0 < 20 8 .24 6.68.46 .22 32 > 20 8 .24 6.68.48.ftp: . 1:1(0) ack 97 win 8664 (DF) 11:17:14.530384 eth0 < 20 8 .24 6.68.46 .22 32 > 20 8 .24 6.68.48.ftp: ... > 20 8 .24 6.68.48.ftp > 21 8 .24 6.68.46 .22 32: S 3 525 915 02: 3 525 915 02( 0) ack 1850495971 win 321 20 <mss 1460,nop,nop,sackOK> (DF) Notice th...

Ngày tải lên: 14/08/2014, 18:20

... want to save the Registry data to or the file you want to restore from. Figure 11.7. Dialog box used to save the Registry. The following is the output from saving the Control Panel/Custom ... attackers to use. Many administrators are afraid or get upset when they run across these tools, only seeing the negative aspect. The positive side of using these tools is t...

Ngày tải lên: 14/08/2014, 18:20

... ip-proto-0 5 32 (frag 381 02: 5 32@ 0+) (DF) [tos 0x1e,ECT] 05:34 :28 .911196 eth0 > 10 .24 6.68.48 > 10 .24 6.68.48: ip-proto-0 5 32 (frag 38101:5 32@ 0+) (DF) [tos 0x1e,ECT] 05:34 :28 .91 120 0 eth0 ... ack 28 875 123 12 win 321 20 <mss 1460,nop,nop,sackOK> (DF) 5 th connection 04:54:56.80 526 6 eth0 P 10 .24 6.68.46.34 32 > 10 .24 6.68.48.telnet: S 28 8...

Ngày tải lên: 14/08/2014, 18:20

... following is the output from TCPdump to show the flooding attack: 09:38 :20 . 622 5 82 lo > 21 2.1.1 02. 0.49 022 > seclinux1.40181: udp 46 09:38 :20 . 622 5 82 lo < 21 2.1.1 02. 0.49 022 > seclinux1.40181: ... 0/1/0 ( 127 ) 09:38 :20 .643873 lo > 21 2.1.1 02. 0 .29 220 > seclinux1.58690: udp 46 09:38 :20 .643873 lo < 21 2.1.1 02. 0 .29 220 > secl...

Ngày tải lên: 14/08/2014, 18:20

... first combines the password with the salt and then computes the hash. The system not only stores the hash, but also the salt with the user ID. Now, when a user authenticates to the system and ... editors and database programs. The file can be loaded back into the program to either view the results or to continue cracking the file. The file can also be loade...

Ngày tải lên: 14/08/2014, 18:20

... \\SMBSHAREBOX1\LEGION 20 [10.10 .26 .23 1] [10.10 .26 .14] SMB: R Status=Bad password 21 [10.10 .26 .14] [10.10 .26 .23 1] SMB: C Connect A: \\SMBSHAREBOX1\LEGION 22 [10.10 .26 .23 1] [10.10 .26 .14] SMB: R Status=Bad ... granted to the NetBIOS share and it is accessible to the client. 25 [10.10 .26 .14] [10.10 .26 .23 1] SMB: C Connect A: \\SMBSHAREBOX1\LEGION 26 [10.10 .26...

Ngày tải lên: 14/08/2014, 18:20

... this to happen, the external user could either wait for an internal user to login or cause an event to happen on the external computer, which would cause the internal user to connect to the ... the attacker about the assigned port of the service and the protocol it is using. 4. After this transaction has taken place, the attacker connects to the sadmind p...

Ngày tải lên: 14/08/2014, 18:20

... 0x2f,0x61,0x64,0x6d,0x2f and replacing it with 0x2f,0x 62, 0x69,0x6e,0x2f. (The authors of the program, to put it in their words, wanted to raise the bar a little to make it harder for script kiddies to blindly ... version 2 began in 19 92 and was adopted in 1993 as defined in RFCs 1441-14 52. SNMP2, in addition to other enhancements, attempted to improve the secur...

Ngày tải lên: 14/08/2014, 18:20

... 17 .22 . Figure 17 .22 . Conversion of decimal to binary and XORing two values together. “ Hackers Beware “ New Riders Publishing 779 Summary Companies that need to get a handle on security ... servers, update to the latest version and patch level (as of May 22 , 20 00, the latest version was 8 .2. 2 patch level 5). Use the guidance contained in the followi...

Ngày tải lên: 14/08/2014, 18:20