[摘要]......4......4. ......4.......4.......4.......4.......4.......4.......4.......4....... 4..........
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......4.......4.......4.......4.........1...p}.@
. . .
T 10.10.10.10:32957 -> 10.10.10.3:2222 [A]
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.....................1..f..1...C.].C.].K.M..M...1..E.Cf.].f.E.09.M..E.
.E..E.....M.....CC....C....1..?......A....^.u.1..F..E......M..U.......
./bin/sh.h0h0h0, 7350, zip/TESO!......................................
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这样针对这个攻击程序你可以匹配如下字符串"h0h0h0, 7350, zip/TESO!" [7] 和NOP等。
下面的特征字符串由Marty Roesch 和 Brian Caswell开发并可使用在Snort v1.8 或者
更高的版本[6]：
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alert tcp $EXTERNAL_NET any -> $HOME_NET 22 \
(msg:"EXPLOIT ssh CRC32 overflow /bin/sh"; \
flags:A+; content:"/bin/sh"; \
reference:bugtraq,2347; reference:cve,CVE-2001-0144; \
classtype:shellcode-detect;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 22 \
(msg:"EXPLOIT ssh CRC32 overflow filler"; \
flags:A+; content:"
关键词：对于SSH crc32 compensation attack detector exploit 的区分