alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET SHELLCODE Unescape Hex Obfuscated Content"; flow:established,to_client; content:"unescape|28|"; fast_pattern; content:"|5C|x"; distance:1; within:2; content:"|5C|x"; distance:2; within:2; content:"|5C|x"; distance:2; within:2; content:"|5C|x"; distance:2; within:2; pcre:"/unescape\x28(\x22|\x27)\x5Cx[a-f,0-9]{2}\x5Cx[a-f,0-9]{2}\x5Cx[a-f,0-9]{2}/smi"; classtype:shellcode-detect; sid:2013272; rev:3; metadata:created_at 2011_07_14, updated_at 2011_07_14;)

Added 2017-08-07 21:06:33 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET SHELLCODE Unescape Hex Obfuscated Content"; flow:established,to_client; content:"unescape|28|"; fast_pattern; content:"|5C|x"; distance:1; within:2; content:"|5C|x"; distance:2; within:2; content:"|5C|x"; distance:2; within:2; content:"|5C|x"; distance:2; within:2; pcre:"/unescape\x28(\x22|\x27)\x5Cx[a-f,0-9]{2}\x5Cx[a-f,0-9]{2}\x5Cx[a-f,0-9]{2}/smi"; classtype:shellcode-detect; sid:2013272; rev:2;)

Added 2012-01-16 19:46:58 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET SHELLCODE Unescape Hex Obfuscated Content"; flow:established,to_client; content:"unescape|28|"; content:"|5C|x"; fast_pattern; distance:1; within:2; content:"|5C|x"; distance:2; within:2; content:"|5C|x"; distance:2; within:2; content:"|5C|x"; distance:2; within:2; pcre:"/unescape\x28(\x22|\x27)\x5Cx[a-f,0-9]{2}\x5Cx[a-f,0-9]{2}\x5Cx[a-f,0-9]{2}/smi"; classtype:shellcode-detect; sid:2013272; rev:1;)

Added 2011-10-12 19:36:29 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET SHELLCODE Unescape Hex Obfuscated Content"; flow:established,to_client; content:"unescape|28|"; content:"|5C|x"; fast_pattern; distance:1; within:2; content:"|5C|x"; distance:2; within:2; content:"|5C|x"; distance:2; within:2; content:"|5C|x"; distance:2; within:2; pcre:"/unescape\x28(\x22|\x27)\x5Cx[a-f,0-9]{2}\x5Cx[a-f,0-9]{2}\x5Cx[a-f,0-9]{2}/smi"; classtype:shellcode-detect; sid:2013272; rev:1;)

Added 2011-07-14 16:10:11 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET SHELLCODE Unescape Hex Obfuscated Content"; flow:established,to_client; content:"unescape|28|"; content:"|5C|x"; fast_pattern; distance:1; within:2; content:"|5C|x"; distance:2; within:2; content:"|5C|x"; distance:2; within:2; content:"|5C|x"; distance:2; within:2; pcre:"/unescape\x28(\x22|\x27)\x5Cx[a-f,0-9]{2}\x5Cx[a-f,0-9]{2}\x5Cx[a-f,0-9]{2}/smi"; classtype:shellcode-detect; sid:2013272; rev:1;)

Added 2011-07-14 15:29:43 UTC


Topic revision: r1 - 2017-08-08 - TWikiGuest
 
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