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Code Issues Releases Wiki Activity

Additional exim regexes to cover common attacks...

pull/1371/head
theDogOfPavlov 2016-03-21 05:59:59 +00:00
parent bfac42eb2e
commit fe1475be95
1 changed files with 8 additions and 4 deletions
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12
config/filter.d/exim.conf
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@ -14,10 +14,13 @@ before = exim-common.conf
[Definition] [Definition]
failregex = ^%(pid)s %(host_info)ssender verify fail for <\S+>: (?:Unknown user|Unrouteable address|all relevant MX records point to non-existent hosts)\s*$ failregex = ^%(pid)s %(host_info)ssender verify fail for <\S+>: (?:Unknown user|Unrouteable address|all relevant MX records point to non-existent hosts)\s*$
^%(pid)s \w+ authenticator failed for (\S+ )?\(\S+\) \[<HOST>\](:\d+)?( I=\[\S+\](:\d+)?)?: 535 Incorrect authentication data( \(set_id=.*\)|: \d+ Time\(s\))?\s*$ ^%(pid)s \w+ authenticator failed for (\S+ )?\(\S+\) \[<HOST>\](:\d+)?( I=\[\S+\](:\d+)?)?: 535 Incorrect authentication data( \(set_id=.*\)|: \d+ Time\(s\))?\s*$
^%(pid)s %(host_info)sF=(<>|[^@]+@\S+) rejected RCPT [^@]+@\S+: (relay not permitted|Sender verify failed|Unknown user)\s*$ ^%(pid)s %(host_info)sF=(<>|[^@]+@\S+) rejected RCPT [^@]+@\S+: (relay not permitted|Sender verify failed|Unknown user)\s*$
^%(pid)s SMTP protocol synchronization error \([^)]*\): rejected (connection from|"\S+") %(host_info)s(next )?input=".*"\s*$ ^%(pid)s SMTP protocol synchronization error \([^)]*\): rejected (connection from|"\S+") %(host_info)s(next )?input=".*"\s*$
^%(pid)s SMTP call from \S+ \[<HOST>\](:\d+)? (I=\[\S+\](:\d+)? )?dropped: too many nonmail commands \(last was "\S+"\)\s*$ ^%(pid)s SMTP call from \S+ \[<HOST>\](:\d+)? (I=\[\S+\](:\d+)? )?dropped: too many nonmail commands \(last was "\S+"\)\s*$
^%(pid)s SMTP protocol error in "AUTH LOGIN(| \S*)" H=\(\S*\) \[<HOST>\]\:\d+ I=\[\S*\]\:\d+ AUTH command used when not advertised\s*$
^%(pid)s no MAIL in SMTP connection from (|\S* )\[<HOST>\]\:\d+ I=\[\S*\]\:\d+ D=\d+s(| C=\S*)\s*$
^%(pid)s \S+ SMTP connection from (|\S* )(|\(\S*\))\[<HOST>\]\:\d+ I=\[\S*\]\:\d+ closed by DROP in ACL\s*$
ignoreregex = ignoreregex =
@ -30,3 +33,4 @@ ignoreregex =
# #
# Author: Cyril Jaquier # Author: Cyril Jaquier
# Daniel Black (rewrote with strong regexs) # Daniel Black (rewrote with strong regexs)
# Martin O'Neal (added additional regexs to detect authentication failures, protocol errors, and drops)