ftp.rules

snort入侵检测规则文件2.4 Snort是众所周知的网络入侵检测工具

# Copyright 2001-2005 Sourcefire, Inc. All Rights Reserved
#
# This file may contain proprietary rules that were created, tested and
# certified by Sourcefire, Inc. (the "VRT Certified Rules") as well as
# rules that were created by Sourcefire and other third parties and
# distributed under the GNU General Public License (the "GPL Rules").  The
# VRT Certified Rules contained in this file are the property of
# Sourcefire, Inc. Copyright 2005 Sourcefire, Inc. All Rights Reserved.
# The GPL Rules created by Sourcefire, Inc. are the property of
# Sourcefire, Inc. Copyright 2002-2005 Sourcefire, Inc. All Rights
# Reserved.  All other GPL Rules are owned and copyrighted by their
# respective owners (please see www.snort.org/contributors for a list of
# owners and their respective copyrights).  In order to determine what
# rules are VRT Certified Rules or GPL Rules, please refer to the VRT
# Certified Rules License Agreement.
#
#
# $Id: ftp.rules,v 1.57.2.7.2.6 2005/07/22 19:19:54 mwatchinski Exp $
#----------
# FTP RULES
#----------


# protocol verification
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP MDTM overflow attempt"; flow:to_server,established; content:"MDTM"; nocase; isdataat:100,relative; pcre:"/^MDTM\s[^\n]{100}/smi"; reference:bugtraq,9751; reference:cve,2001-1021; reference:cve,2004-0330; reference:nessus,12080; classtype:attempted-admin; sid:2546; rev:5;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP XMKD overflow attempt"; flow:to_server,established; content:"XMKD"; nocase; isdataat:100,relative; pcre:"/^XMKD\s[^\n]{100}/smi"; reference:bugtraq,7909; reference:cve,2000-0133; reference:cve,2001-1021; classtype:attempted-admin; sid:2373; rev:4;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP NLST overflow attempt"; flow:to_server,established; content:"NLST"; nocase; isdataat:100,relative; pcre:"/^NLST\s[^\n]{100}/smi"; reference:bugtraq,10184; reference:bugtraq,7909; reference:bugtraq,9675; reference:cve,1999-1544; classtype:attempted-admin; sid:2374; rev:6;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP ALLO overflow attempt"; flow:to_server,established; content:"ALLO"; nocase; isdataat:100,relative; pcre:"/^ALLO\s[^\n]{100}/smi"; reference:bugtraq,9953; classtype:attempted-admin; sid:2449; rev:1;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP RNTO overflow attempt"; flow:to_server,established; content:"RNTO"; nocase; isdataat:100,relative; pcre:"/^RNTO\s[^\n]{100}/smi"; reference:bugtraq,8315; reference:cve,2000-0133; reference:cve,2001-1021; reference:cve,2003-0466; classtype:attempted-admin; sid:2389; rev:7;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP STOU overflow attempt"; flow:to_server,established; content:"STOU"; nocase; isdataat:100,relative; pcre:"/^STOU\s[^\n]{100}/smi"; reference:bugtraq,8315; reference:cve,2003-0466; classtype:attempted-admin; sid:2390; rev:4;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP APPE overflow attempt"; flow:to_server,established; content:"APPE"; nocase; isdataat:100,relative; pcre:"/^APPE\s[^\n]{100}/smi"; reference:bugtraq,8315; reference:bugtraq,8542; reference:cve,2000-0133; reference:cve,2003-0466; classtype:attempted-admin; sid:2391; rev:7;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP RETR overflow attempt"; flow:to_server,established; content:"RETR"; nocase; isdataat:100,relative; pcre:"/^RETR\s[^\n]{100}/smi"; reference:bugtraq,8315; reference:cve,2003-0466; reference:cve,2004-0287; reference:cve,2004-0298; classtype:attempted-admin; sid:2392; rev:7;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP STOR overflow attempt"; flow:to_server,established; content:"STOR"; nocase; isdataat:100,relative; pcre:"/^STOR\s[^\n]{100}/smi"; reference:bugtraq,8668; reference:cve,2000-0133; classtype:attempted-admin; sid:2343; rev:3;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP CEL overflow attempt"; flow:to_server,established; content:"CEL"; nocase; isdataat:100,relative; pcre:"/^CEL\s[^\n]{100}/smi"; reference:arachnids,257; reference:bugtraq,679; reference:cve,1999-0789; reference:nessus,10009; classtype:attempted-admin; sid:337; rev:12;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP XCWD overflow attempt"; flow:to_server,established; content:"XCWD"; nocase; isdataat:100,relative; pcre:"/^XCWD\s[^\n]{100}/smi"; reference:bugtraq,11542; reference:bugtraq,8704; classtype:attempted-admin; sid:2344; rev:3;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP CWD overflow attempt"; flow:to_server,established; content:"CWD"; nocase; isdataat:100,relative; pcre:"/^CWD\s[^\n]{100}/smi"; reference:bugtraq,11069; reference:bugtraq,1227; reference:bugtraq,1690; reference:bugtraq,6869; reference:bugtraq,7251; reference:bugtraq,7950; reference:cve,1999-0219; reference:cve,1999-1058; reference:cve,1999-1510; reference:cve,2000-1035; reference:cve,2000-1194; reference:cve,2001-0781; reference:cve,2002-0126; reference:cve,2002-0405; classtype:attempted-admin; sid:1919; rev:22;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP CMD overflow attempt"; flow:to_server,established; content:"CMD"; nocase; isdataat:100,relative; pcre:"/^CMD\s[^\n]{100}/smi"; classtype:attempted-admin; sid:1621; rev:10;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP STAT overflow attempt"; flow:to_server,established; content:"STAT"; nocase; isdataat:100,relative; pcre:"/^STAT\s[^\n]{100}/smi"; reference:bugtraq,3507; reference:bugtraq,8542; reference:cve,2001-0325; reference:cve,2001-1021; reference:url,labs.defcom.com/adv/2001/def-2001-31.txt; classtype:attempted-admin; sid:1379; rev:12;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP SITE CHMOD overflow attempt"; flow:to_server,established; content:"SITE"; nocase; content:"CHMOD"; distance:0; nocase; isdataat:100,relative; pcre:"/^SITE\s+CHMOD\s[^\n]{100}/smi"; reference:bugtraq,10181; reference:bugtraq,9483; reference:bugtraq,9675; reference:cve,1999-0838; reference:nessus,12037; classtype:attempted-admin; sid:2340; rev:7;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP SITE CHOWN overflow attempt"; flow:to_server,established; content:"SITE"; nocase; content:"CHOWN"; distance:0; nocase; isdataat:100,relative; pcre:"/^SITE\s+CHOWN\s[^\n]{100}/smi"; reference:bugtraq,2120; reference:cve,2001-0065; classtype:attempted-admin; sid:1562; rev:11;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP SITE NEWER overflow attempt"; flow:to_server,established; content:"SITE"; nocase; content:"NEWER"; distance:0; nocase; isdataat:100,relative; pcre:"/^SITE\s+NEWER\s[^\n]{100}/smi"; reference:bugtraq,229; reference:cve,1999-0800; classtype:attempted-admin; sid:1920; rev:6;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP SITE CPWD overflow attempt"; flow:established,to_server; content:"SITE"; nocase; content:"CPWD"; distance:0; nocase; isdataat:100,relative; pcre:"/^SITE\s+CPWD\s[^\n]{100}/smi"; reference:bugtraq,5427; reference:cve,2002-0826; classtype:misc-attack; sid:1888; rev:8;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP SITE EXEC format string attempt"; flow:to_server,established; content:"SITE"; nocase; content:"EXEC"; distance:0; nocase; pcre:"/^SITE\s+EXEC\s[^\n]*?%[^\n]*?%/smi"; classtype:bad-unknown; sid:1971; rev:4;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP SITE overflow attempt"; flow:to_server,established; content:"SITE"; nocase; isdataat:100,relative; pcre:"/^SITE\s[^\n]{100}/smi"; reference:cve,1999-0838; reference:cve,2001-0755; reference:cve,2001-0770; classtype:attempted-admin; sid:1529; rev:10;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP USER overflow attempt"; flow:to_server,established,no_stream; content:"USER"; nocase; isdataat:100,relative; pcre:"/^USER\s[^\n]{100}/smi"; reference:bugtraq,10078; reference:bugtraq,1227; reference:bugtraq,1504; reference:bugtraq,1690; reference:bugtraq,4638; reference:bugtraq,7307; reference:bugtraq,8376; reference:cve,1999-1510; reference:cve,1999-1514; reference:cve,1999-1519; reference:cve,1999-1539; reference:cve,2000-0479; reference:cve,2000-0656; reference:cve,2000-0761; reference:cve,2000-0943; reference:cve,2000-1035; reference:cve,2000-1194; reference:cve,2001-0256; reference:cve,2001-0794; reference:cve,2001-0826; reference:cve,2002-0126; reference:cve,2002-1522; reference:cve,2003-0271; reference:cve,2004-0286; classtype:attempted-admin; sid:1734; rev:30;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP PASS overflow attempt"; flow:to_server,established,no_stream; content:"PASS"; nocase; isdataat:100,relative; pcre:"/^PASS\s[^\n]{100}/smi"; reference:bugtraq,10078; reference:bugtraq,10720; reference:bugtraq,1690; reference:bugtraq,3884; reference:bugtraq,8601; reference:bugtraq,9285; reference:cve,1999-1519; reference:cve,1999-1539; reference:cve,2000-1035; reference:cve,2002-0126; reference:cve,2002-0895; classtype:attempted-admin; sid:1972; rev:16;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP RMDIR overflow attempt"; flow:to_server,established; content:"RMDIR"; nocase; isdataat:100,relative; pcre:"/^RMDIR\s[^\n]{100}/smi"; reference:bugtraq,819; classtype:attempted-admin; sid:1942; rev:6;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP MKD overflow attempt"; flow:to_server,established; content:"MKD"; nocase; isdataat:100,relative; pcre:"/^MKD\s[^\n]{100}/smi"; reference:bugtraq,612; reference:bugtraq,7278; reference:bugtraq,9872; reference:cve,1999-0911; reference:nessus,12108; classtype:attempted-admin; sid:1973; rev:9;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP REST overflow attempt"; flow:to_server,established; content:"REST"; nocase; isdataat:100,relative; pcre:"/^REST\s[^\n]{100}/smi"; reference:bugtraq,2972; reference:cve,2001-0826; classtype:attempted-admin; sid:1974; rev:6;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP DELE overflow attempt"; flow:to_server,established; content:"DELE"; nocase; isdataat:100,relative; pcre:"/^DELE\s[^\n]{100}/smi"; reference:bugtraq,2972; reference:cve,2001-0826; reference:cve,2001-1021; classtype:attempted-admin; sid:1975; rev:8;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP RMD overflow attempt"; flow:to_server,established; content:"RMD"; nocase; isdataat:100,relative; pcre:"/^RMD\s[^\n]{100}/smi"; reference:bugtraq,2972; reference:cve,2000-0133; reference:cve,2001-0826; reference:cve,2001-1021; classtype:attempted-admin; sid:1976; rev:9;)

alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP invalid MODE"; flow:to_server,established; content:"MODE"; nocase; pcre:"/^MODE\s+[^ABSC]{1}/msi"; classtype:protocol-command-decode; sid:1623; rev:6;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP large PWD command"; flow:to_server,established; dsize:10; content:"PWD"; nocase; classtype:protocol-command-decode; sid:1624; rev:6;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP large SYST command"; flow:to_server,established; dsize:10; content:"SYST"; nocase; classtype:protocol-command-decode; sid:1625; rev:6;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 21 (msg:"FTP CWD Root directory transversal attempt"; flow:to_server,established; content:"CWD"; nocase; content:"C|3A 5C|"; distance:1; reference:bugtraq,7674; reference:cve,2003-0392; reference:nessus,11677; classtype:protocol-command-decode; sid:2125; rev:8;)