46 lines
8.9 KiB
Plaintext
46 lines
8.9 KiB
Plaintext
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# Copyright 2001-2019 Sourcefire, Inc. All Rights Reserved.
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#
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# This file contains (i) proprietary rules that were created, tested and certified by
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# Sourcefire, Inc. (the "VRT Certified Rules") that are distributed under the VRT
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# Certified Rules License Agreement (v 2.0), and (ii) rules that were created by
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# Sourcefire and other third parties (the "GPL Rules") that are distributed under the
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# GNU General Public License (GPL), v2.
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#
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# The VRT Certified Rules are owned by Sourcefire, Inc. The GPL Rules were created
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# by Sourcefire and other third parties. The GPL Rules created by Sourcefire are
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# owned by Sourcefire, Inc., and the GPL Rules not created by Sourcefire are owned by
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# their respective creators. Please see http://www.snort.org/snort/snort-team/ for a
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# list of third party owners and their respective copyrights.
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#
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# In order to determine what rules are VRT Certified Rules or GPL Rules, please refer
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# to the VRT Certified Rules License Agreement (v2.0).
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#
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#--------------------
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# PROTOCOL-POP RULES
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#--------------------
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# alert tcp $EXTERNAL_NET 110 -> $HOME_NET any (msg:"PROTOCOL-POP libcurl MD5 digest buffer overflow attempt"; flow:to_client,established; content:"+ "; depth:2; base64_decode:relative; base64_data; content:"realm=|22|"; isdataat:32,relative; content:!"|22|"; within:32; metadata:service pop3; reference:bugtraq,57842; reference:cve,2013-0249; classtype:attempted-user; sid:26391; rev:2;)
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alert tcp $HOME_NET any -> $EXTERNAL_NET 110 (msg:"PROTOCOL-POP STAT command"; flow:to_server, established; content:"STAT"; nocase; flowbits:set,pop3.stat; flowbits:noalert; metadata:service pop3; classtype:protocol-command-decode; sid:16594; rev:8;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP PASS format string attempt"; flow:to_server,established; content:"PASS"; fast_pattern:only; pcre:"/^PASS\s+[^\n]*?%/smi"; metadata:ruleset community, service pop3; reference:bugtraq,10976; reference:cve,2004-0777; classtype:attempted-admin; sid:2666; rev:9;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP APOP USER overflow attempt"; flow:to_server,established; content:"APOP"; nocase; isdataat:256,relative; pcre:"/^APOP\s+USER\s[^\n]{256}/smi"; metadata:ruleset community, service pop3; reference:bugtraq,9794; reference:cve,2004-2375; classtype:attempted-admin; sid:2409; rev:11;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP login brute force attempt"; flow:to_server,established,no_stream; content:"USER"; fast_pattern:only; detection_filter:track by_dst, count 30, seconds 30; metadata:ruleset community, service pop3; reference:url,attack.mitre.org/techniques/T1110; classtype:suspicious-login; sid:2274; rev:11;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP USER format string attempt"; flow:to_server,established; content:"USER"; fast_pattern:only; pcre:"/^USER\s+[^\n]*?%/smi"; metadata:ruleset community, service pop3; reference:bugtraq,10976; reference:bugtraq,7667; reference:cve,2003-0391; reference:nessus,11742; classtype:attempted-admin; sid:2250; rev:12;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP UIDL negative argument attempt"; flow:to_server,established; content:"UIDL"; fast_pattern:only; pcre:"/^UIDL\s+-\d/smi"; metadata:ruleset community, service pop3; reference:bugtraq,6053; reference:cve,2002-1539; reference:nessus,11570; classtype:misc-attack; sid:2122; rev:17;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP DELE negative argument attempt"; flow:to_server,established; content:"DELE"; fast_pattern:only; pcre:"/^DELE\s+-\d/smi"; metadata:ruleset community, service pop3; reference:bugtraq,6053; reference:bugtraq,7445; reference:cve,2002-1539; reference:nessus,11570; classtype:misc-attack; sid:2121; rev:17;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP RSET overflow attempt"; flow:to_server,established; content:"RSET"; nocase; isdataat:10,relative; pcre:"/^RSET\s[^\n]{10}/smi"; metadata:ruleset community, service pop3; classtype:attempted-admin; sid:2112; rev:9;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP DELE overflow attempt"; flow:to_server,established; content:"DELE"; nocase; isdataat:10,relative; pcre:"/^DELE\s[^\n]{10}/smi"; metadata:ruleset community, service pop3; classtype:attempted-admin; sid:2111; rev:9;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP STAT overflow attempt"; flow:to_server,established; content:"STAT"; nocase; isdataat:10,relative; pcre:"/^STAT\s[^\n]{10}/smi"; metadata:ruleset community, service pop3; classtype:attempted-admin; sid:2110; rev:9;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP TOP overflow attempt"; flow:to_server,established; content:"TOP"; nocase; isdataat:50,relative; pcre:"/^TOP\s[^\n]{50}/smi"; metadata:ruleset community, service pop3; classtype:attempted-admin; sid:2109; rev:10;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP CAPA overflow attempt"; flow:to_server,established; content:"CAPA"; nocase; isdataat:10,relative; pcre:"/^CAPA\s[^\n]{10}/smi"; metadata:ruleset community, service pop3; classtype:attempted-admin; sid:2108; rev:9;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP XTND overflow attempt"; flow:to_server,established; content:"XTND"; nocase; isdataat:50,relative; pcre:"/^XTND\s[^\n]{50}/smi"; metadata:ruleset community, service pop3; classtype:attempted-admin; sid:1938; rev:10;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP LIST overflow attempt"; flow:to_server,established; content:"LIST"; nocase; isdataat:10,relative; pcre:"/^LIST\s[^\n]{10}/smi"; metadata:ruleset community, service pop3; reference:bugtraq,948; reference:cve,2000-0096; reference:nessus,10197; classtype:attempted-admin; sid:1937; rev:13;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP AUTH overflow attempt"; flow:to_server,established; content:"AUTH"; nocase; isdataat:50,relative; pcre:"/^AUTH\s[^\n]{50}/smi"; metadata:ruleset community, service pop3; reference:bugtraq,830; reference:cve,1999-0822; reference:nessus,10184; classtype:attempted-admin; sid:1936; rev:14;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP APOP overflow attempt"; flow:to_server,established; content:"APOP"; nocase; isdataat:256,relative; pcre:"/^APOP\s[^\n]{256}/smi"; metadata:ruleset community, service pop3; reference:bugtraq,1652; reference:cve,2000-0840; reference:cve,2000-0841; reference:nessus,10559; classtype:attempted-admin; sid:1635; rev:19;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP EXPLOIT qpopper overflow"; flow:to_server,established; content:"|E8 D9 FF FF FF|/bin/sh"; fast_pattern:only; metadata:ruleset community, service pop3; reference:bugtraq,830; reference:cve,1999-0822; reference:nessus,10184; classtype:attempted-admin; sid:290; rev:16;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP EXPLOIT x86 SCO overflow"; flow:to_server,established; content:"V|0E|1|C0 B0 3B 8D|~|12 89 F9 89 F9|"; fast_pattern:only; metadata:ruleset community, service pop3; reference:bugtraq,133; reference:bugtraq,156; reference:cve,1999-0006; classtype:attempted-admin; sid:289; rev:16;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP EXPLOIT x86 Linux overflow"; flow:to_server,established; content:"|D8|@|CD 80 E8 D9 FF FF FF|/bin/sh"; fast_pattern:only; metadata:ruleset community, service pop3; classtype:attempted-admin; sid:288; rev:13;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP EXPLOIT x86 BSD overflow"; flow:to_server,established; content:"h]^|FF D5 FF D4 FF F5 8B F5 90|f1"; fast_pattern:only; metadata:ruleset community, service pop3; classtype:attempted-admin; sid:287; rev:12;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP EXPLOIT x86 BSD overflow"; flow:to_server,established; content:"^|0E|1|C0 B0 3B 8D|~|0E 89 FA 89 F9|"; fast_pattern:only; metadata:ruleset community, service pop3; reference:bugtraq,133; reference:cve,1999-0006; reference:nessus,10196; classtype:attempted-admin; sid:286; rev:18;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP USER overflow attempt"; flow:to_server,established; content:"USER"; isdataat:50,relative; pcre:"/^USER\s[^\n]{50}/smi"; metadata:policy max-detect-ips drop, ruleset community, service pop3; reference:bugtraq,11256; reference:bugtraq,19651; reference:bugtraq,789; reference:cve,1999-0494; reference:cve,2002-1781; reference:cve,2006-2502; reference:cve,2006-4364; reference:nessus,10311; reference:url,www.delegate.org/mail-lists/delegate-en/1475; classtype:attempted-admin; sid:1866; rev:25;)
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# alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"PROTOCOL-POP PASS overflow attempt"; flow:to_server,established; content:"PASS"; nocase; isdataat:50,relative; pcre:"/^PASS\s[^\n]{50}/smi"; metadata:policy max-detect-ips drop, ruleset community, service pop3; reference:bugtraq,21645; reference:bugtraq,791; reference:cve,1999-1511; reference:cve,2006-6605; reference:nessus,10325; classtype:attempted-admin; sid:1634; rev:24;)
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