github
/
fail2ban
mirror of https://github.com/fail2ban/fail2ban
1
0
Fork 0
Code Issues Releases Wiki Activity

Merge branch 'fix-xarf-abuse-action' into 0.10 (closes gh-2372)

Browse Source
pull/2381/head
sebres 6 years ago
parent ec2b5dc483 a7ccbd46dc
commit 6fe6ebe039
2 changed files with 62 additions and 10 deletions
Show Stats Download Patch File Download Diff File

28
config/action.d/xarf-login-attack.conf
Unescape View File

@ -41,7 +41,12 @@ actionstop =
actioncheck = actioncheck =
actionban = oifs=${IFS}; IFS=.;SEP_IP=( <ip> ); set -- ${SEP_IP}; ADDRESSES=$(dig +short -t txt -q $4.$3.$2.$1.abuse-contacts.abusix.org); IFS=${oifs} actionban = oifs=${IFS};
RESOLVER_ADDR="%(addr_resolver)s"
if [ "<debug>" -gt 0 ]; then echo "try to resolve $RESOLVER_ADDR"; fi
ADDRESSES=$(dig +short -t txt -q $RESOLVER_ADDR | tr -d '"')
IFS=,; ADDRESSES=$(echo $ADDRESSES)
IFS=${oifs}
IP=<ip> IP=<ip>
FROM=<sender> FROM=<sender>
SERVICE=<service> SERVICE=<service>
@ -51,26 +56,37 @@ actionban = oifs=${IFS}; IFS=.;SEP_IP=( <ip> ); set -- ${SEP_IP}; ADDRESSES=$(di
PORT=<port> PORT=<port>
DATE=`LC_ALL=C date --date=@<time> +"%%a, %%d %%h %%Y %%T %%z"` DATE=`LC_ALL=C date --date=@<time> +"%%a, %%d %%h %%Y %%T %%z"`
if [ ! -z "$ADDRESSES" ]; then if [ ! -z "$ADDRESSES" ]; then
oifs=${IFS}; IFS=,; ADDRESSES=$(echo $ADDRESSES)
IFS=${oifs}
(printf -- %%b "<header>\n<message>\n<report>\n\n"; (printf -- %%b "<header>\n<message>\n<report>\n\n";
date '+Note: Local timezone is %%z (%%Z)'; date '+Note: Local timezone is %%z (%%Z)';
printf -- %%b "\n<ipmatches>\n\n<footer>") | <mailcmd> <mailargs> ${ADDRESSES//,/\" \"} printf -- %%b "\n<ipmatches>\n\n<footer>") | <mailcmd> <mailargs> $ADDRESSES
fi fi
actionunban = actionunban =
[Init] # Server as resolver used in dig command
#
addr_resolver = <ip-rev>abuse-contacts.abusix.org
# Option: boundary
# Notes: This can be overwritten to be safe for possible predictions
boundary = bfbb0f920793ac03cb8634bde14d8a1e
_boundary = Abuse<time>-<boundary>
# Option: header # Option: header
# Notes: This is really a fixed value # Notes: This is really a fixed value
header = Subject: abuse report about $IP - $DATE\nAuto-Submitted: auto-generated\nX-XARF: PLAIN\nContent-Transfer-Encoding: 7bit\nContent-Type: multipart/mixed; charset=utf8;\n boundary=Abuse-bfbb0f920793ac03cb8634bde14d8a1e;\n\n--Abuse-bfbb0f920793ac03cb8634bde14d8a1e\nMIME-Version: 1.0\nContent-Transfer-Encoding: 7bit\nContent-Type: text/plain; charset=utf-8;\n header = Subject: abuse report about $IP - $DATE\nAuto-Submitted: auto-generated\nX-XARF: PLAIN\nContent-Transfer-Encoding: 7bit\nContent-Type: multipart/mixed; charset=utf8;\n boundary=%(_boundary)s;\n\n--%(_boundary)s\nMIME-Version: 1.0\nContent-Transfer-Encoding: 7bit\nContent-Type: text/plain; charset=utf-8;\n
# Option: footer # Option: footer
# Notes: This is really a fixed value and needs to match the report and header # Notes: This is really a fixed value and needs to match the report and header
# mime delimiters # mime delimiters
footer = \n\n--Abuse-bfbb0f920793ac03cb8634bde14d8a1e-- footer = \n\n--%(_boundary)s--
# Option: report # Option: report
# Notes: Intended to be fixed # Notes: Intended to be fixed
report = --Abuse-bfbb0f920793ac03cb8634bde14d8a1e\nMIME-Version: 1.0\nContent-Transfer-Encoding: 7bit\nContent-Type: text/plain; charset=utf-8; name=\"report.txt\";\n\n---\nReported-From: $FROM\nCategory: abuse\nReport-ID: $REPORTID\nReport-Type: login-attack\nService: $SERVICE\nVersion: 0.2\nUser-Agent: Fail2ban v0.9\nDate: $DATE\nSource-Type: ip-address\nSource: $IP\nPort: $PORT\nSchema-URL: http://www.x-arf.org/schema/abuse_login-attack_0.1.2.json\nAttachment: text/plain\nOccurances: $FAILURES\nTLP: $TLP\n\n\n--Abuse-bfbb0f920793ac03cb8634bde14d8a1e\nMIME-Version: 1.0\nContent-Transfer-Encoding: 7bit\nContent-Type: text/plain; charset=utf8; name=\"logfile.log\"; report = --%(_boundary)s\nMIME-Version: 1.0\nContent-Transfer-Encoding: 7bit\nContent-Type: text/plain; charset=utf-8; name=\"report.txt\";\n\n---\nReported-From: $FROM\nCategory: abuse\nReport-ID: $REPORTID\nReport-Type: login-attack\nService: $SERVICE\nVersion: 0.2\nUser-Agent: Fail2ban v0.9\nDate: $DATE\nSource-Type: ip-address\nSource: $IP\nPort: $PORT\nSchema-URL: http://www.x-arf.org/schema/abuse_login-attack_0.1.2.json\nAttachment: text/plain\nOccurances: $FAILURES\nTLP: $TLP\n\n\n--%(_boundary)s\nMIME-Version: 1.0\nContent-Transfer-Encoding: 7bit\nContent-Type: text/plain; charset=utf8; name=\"logfile.log\";
# Option: Message # Option: Message
# Notes: This can be modified by the users # Notes: This can be modified by the users

44
fail2ban/tests/servertestcase.py
Unescape View File

@ -1866,12 +1866,19 @@ class ServerConfigReaderTests(LogCaptureTestCase):
def _executeMailCmd(self, realCmd, timeout=60): def _executeMailCmd(self, realCmd, timeout=60):
# replace pipe to mail with pipe to cat: # replace pipe to mail with pipe to cat:
realCmd = re.sub(r'\)\s*\|\s*mail\b([^\n]*)', cmd = realCmd
r') | cat; printf "\\n... | "; echo mail \1', realCmd) if isinstance(realCmd, list):
cmd = realCmd[0]
cmd = re.sub(r'\)\s*\|\s*mail\b([^\n]*)',
r') | cat; printf "\\n... | "; echo mail \1', cmd)
# replace abuse retrieving (possible no-network), just replace first occurrence of 'dig...': # replace abuse retrieving (possible no-network), just replace first occurrence of 'dig...':
realCmd = re.sub(r'\bADDRESSES=\$\(dig\s[^\n]+', cmd = re.sub(r'\bADDRESSES=\$\(dig\s[^\n]+',
lambda m: 'ADDRESSES="abuse-1@abuse-test-server, abuse-2@abuse-test-server"', lambda m: 'ADDRESSES="abuse-1@abuse-test-server, abuse-2@abuse-test-server"',
realCmd, 1) cmd, 1)
if isinstance(realCmd, list):
realCmd[0] = cmd
else:
realCmd = cmd
# execute action: # execute action:
return _actions.CommandAction.executeCmd(realCmd, timeout=timeout) return _actions.CommandAction.executeCmd(realCmd, timeout=timeout)
@ -1926,6 +1933,31 @@ class ServerConfigReaderTests(LogCaptureTestCase):
'mail -s Hostname: test-host, family: inet6 - Abuse from 2001:db8::1 abuse-1@abuse-test-server abuse-2@abuse-test-server', 'mail -s Hostname: test-host, family: inet6 - Abuse from 2001:db8::1 abuse-1@abuse-test-server abuse-2@abuse-test-server',
), ),
}), }),
# xarf-login-attack --
('j-xarf-abuse',
'xarf-login-attack['
'name=%(__name__)s, mailcmd="mail", mailargs="",' +
# test reverse ip:
'debug=1' +
']',
{
'ip4-ban': (
# test reverse ip:
'try to resolve 10.124.142.87.abuse-contacts.abusix.org',
'We have detected abuse from the IP address 87.142.124.10',
'Dec 31 11:59:59 [sshd] error: PAM: Authentication failure for kevin from 87.142.124.10',
'Dec 31 11:55:01 [sshd] error: PAM: Authentication failure for test from 87.142.124.10',
# both abuse mails should be separated with space:
'mail abuse-1@abuse-test-server abuse-2@abuse-test-server',
),
'ip6-ban': (
# test reverse ip:
'try to resolve 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.abuse-contacts.abusix.org',
'We have detected abuse from the IP address 2001:db8::1',
# both abuse mails should be separated with space:
'mail abuse-1@abuse-test-server abuse-2@abuse-test-server',
),
}),
) )
server = TestServer() server = TestServer()
transm = server._Server__transm transm = server._Server__transm
@ -1963,6 +1995,10 @@ class ServerConfigReaderTests(LogCaptureTestCase):
self.pruneLog('# === %s ===' % test) self.pruneLog('# === %s ===' % test)
ticket = BanTicket(ip) ticket = BanTicket(ip)
ticket.setAttempt(100) ticket.setAttempt(100)
ticket.setMatches([
'Dec 31 11:59:59 [sshd] error: PAM: Authentication failure for kevin from 87.142.124.10',
'Dec 31 11:55:01 [sshd] error: PAM: Authentication failure for test from 87.142.124.10'
])
ticket = _actions.Actions.ActionInfo(ticket, dmyjail) ticket = _actions.Actions.ActionInfo(ticket, dmyjail)
action.ban(ticket) action.ban(ticket)
self.assertLogged(*tests[test], all=True) self.assertLogged(*tests[test], all=True)

Write Preview
Loading…
Cancel
Save