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Merge remote branch 'origin/fastpath'

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* origin/fastpath:
  Fix missing action in notice policy for looking up GeoIP data.
  Better persistent state config warning messages (fixes #433).
  A few updates for SQL injection detection.
  Fixed some DPD signatures for IRC.  Fixes ticket #311.
  Removing Off_Port_Protocol_Found notice.
  SSH::Interesting_Hostname_Login cleanup.  Fixes #664.
  Teach Broxygen to more generally reference attribute values by name.
  Fixed a really dumb bug that was causing the malware hash registry script to break.
  Fix Broxygen confusing scoped id at start of line as function parameter.
  Remove remnant of libmagic optionality
This commit is contained in:
Robin Sommer 2011-12-16 02:36:43 -08:00
commit 4e17ef63f0
19 changed files with 43 additions and 59 deletions
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5
scripts/policy/protocols/http/detect-MHR.bro
View file

@ -7,9 +7,12 @@
@load base/frameworks/notice
@load base/protocols/http
module HTTP;
export {
redef enum Notice::Type += {
## If the MD5 sum of a file transferred over HTTP
## The MD5 sum of a file transferred over HTTP matched in the
## malware hash registry.
Malware_Hash_Registry_Match
};
}

20
scripts/policy/protocols/http/detect-sqli.bro
View file

@ -12,12 +12,12 @@ export {
SQL_Injection_Attacker,
## Indicates that a host was seen to have SQL injection attacks against
## it. This is tracked by IP address as opposed to hostname.
SQL_Injection_Attack_Against,
SQL_Injection_Victim,
};
redef enum Metrics::ID += {
SQL_ATTACKER,
SQL_ATTACKS_AGAINST,
SQLI_ATTACKER,
SQLI_VICTIM,
};
redef enum Tags += {
@ -56,14 +56,14 @@ event bro_init() &priority=3
# determine when it looks like an actual attack and how to respond when
# thresholds are crossed.
Metrics::add_filter(SQL_ATTACKER, [$log=F,
Metrics::add_filter(SQLI_ATTACKER, [$log=F,
$notice_threshold=sqli_requests_threshold,
$break_interval=sqli_requests_interval,
$note=SQL_Injection_Attacker]);
Metrics::add_filter(SQL_ATTACKS_AGAINST, [$log=F,
$notice_threshold=sqli_requests_threshold,
$break_interval=sqli_requests_interval,
$note=SQL_Injection_Attack_Against]);
Metrics::add_filter(SQLI_VICTIM, [$log=F,
$notice_threshold=sqli_requests_threshold,
$break_interval=sqli_requests_interval,
$note=SQL_Injection_Victim]);
}
event http_request(c: connection, method: string, original_URI: string,
@ -73,7 +73,7 @@ event http_request(c: connection, method: string, original_URI: string,
{
add c$http$tags[URI_SQLI];
Metrics::add_data(SQL_ATTACKER, [$host=c$id$orig_h], 1);
Metrics::add_data(SQL_ATTACKS_AGAINST, [$host=c$id$resp_h], 1);
Metrics::add_data(SQLI_ATTACKER, [$host=c$id$orig_h], 1);
Metrics::add_data(SQLI_VICTIM, [$host=c$id$resp_h], 1);
}
}

4
scripts/policy/protocols/ssh/interesting-hostnames.bro
View file

@ -36,7 +36,9 @@ event SSH::heuristic_successful_login(c: connection)
if ( interesting_hostnames in hostname )
{
NOTICE([$note=Interesting_Hostname_Login,
$msg=fmt("Interesting login from hostname: %s", hostname),
$msg=fmt("Possible SSH login involving a %s %s with an interesting hostname.",
Site::is_local_addr(host) ? "local" : "remote",
host == c$id$orig_h ? "client" : "server"),
$sub=hostname, $conn=c]);
}
}