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Normalize http host in seen script.

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This changes the behavior to be just like in the base scripts.

Addresses BIT-1695
This commit is contained in:
Johanna Amann 2016-09-22 16:52:59 -07:00
parent 0bc4a5ea52
commit 068c49a3d3
1 changed files with 6 additions and 4 deletions
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10
scripts/policy/frameworks/intel/seen/http-headers.bro
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@ -6,16 +6,18 @@ event http_header(c: connection, is_orig: bool, name: string, value: string)
{ {
if ( is_orig ) if ( is_orig )
{ {
switch ( name ) switch ( name )
{ {
case "HOST": case "HOST":
if ( is_valid_ip(value) ) # The split is done to remove the occasional port value that shows up here (see also base script)
Intel::seen([$host=to_addr(value), local host = split_string1(value, /:/)[0];
if ( is_valid_ip(host) )
Intel::seen([$host=to_addr(host),
$indicator_type=Intel::ADDR, $indicator_type=Intel::ADDR,
$conn=c, $conn=c,
$where=HTTP::IN_HOST_HEADER]); $where=HTTP::IN_HOST_HEADER]);
else else
Intel::seen([$indicator=value, Intel::seen([$indicator=host,
$indicator_type=Intel::DOMAIN, $indicator_type=Intel::DOMAIN,
$conn=c, $conn=c,
$where=HTTP::IN_HOST_HEADER]); $where=HTTP::IN_HOST_HEADER]);