aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorloures <loures.raso@gmail.com>2020-05-13 18:30:51 +0200
committerloures <loures.raso@gmail.com>2020-05-13 18:32:29 +0200
commit0a4fbb8cfb7602c9c0b90e8329b56577dea207fd (patch)
tree88c58ff657091d847dc4b792d7287569cd4382a6
parent9dfd0d0071845779487b4e2e14c3599e18a74a8c (diff)
Add check for HTTP transfer of executable files
-rw-r--r--src/include/ndpi_protocol_ids.h1
-rw-r--r--src/lib/ndpi_main.c5
-rw-r--r--src/lib/protocols/http.c13
3 files changed, 19 insertions, 0 deletions
diff --git a/src/include/ndpi_protocol_ids.h b/src/include/ndpi_protocol_ids.h
index b63f1525c..463aeb497 100644
--- a/src/include/ndpi_protocol_ids.h
+++ b/src/include/ndpi_protocol_ids.h
@@ -281,6 +281,7 @@ typedef enum {
NDPI_PROTOCOL_S7COMM = 249,
NDPI_PROTOCOL_MSTEAMS = 250,
NDPI_PROTOCOL_WEBSOCKET = 251, /* Leonn Paiva <leonn.paiva@gmail.com> */
+ NDPI_PROTOCOL_EXECUTABLE_HTTP = 252,
#ifdef CUSTOM_NDPI_PROTOCOLS
#include "../../../nDPI-custom/custom_ndpi_protocol_ids.h"
diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
index dcb34f2ad..39aad090c 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -1474,6 +1474,11 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
no_master, "WebSocket", NDPI_PROTOCOL_CATEGORY_WEB,
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
+ ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_POTENTIALLY_DANGEROUS, NDPI_PROTOCOL_EXECUTABLE_HTTP,
+ 1 /* can_have_a_subprotocol */, no_master,
+ no_master, "Executable HTTP", NDPI_PROTOCOL_CATEGORY_WEB,
+ ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
+ ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
#ifdef CUSTOM_NDPI_PROTOCOLS
#include "../../../nDPI-custom/custom_ndpi_main.c"
diff --git a/src/lib/protocols/http.c b/src/lib/protocols/http.c
index de4de3aee..b9a920ec7 100644
--- a/src/lib/protocols/http.c
+++ b/src/lib/protocols/http.c
@@ -245,6 +245,19 @@ static void check_content_type_and_change_protocol(struct ndpi_detection_module_
}
}
+ /* catch application/exe mime-type */
+ if(packet->content_line.ptr != NULL) {
+ u_int app_len = sizeof("application");
+ if(packet->content_line.len > app_len) {
+ if(ndpi_strncasestr((const char *)&packet->content_line.ptr[app_len], "exe",
+ packet->content_line.len-app_len) != NULL) {
+ ndpi_int_http_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_EXECUTABLE_HTTP, NDPI_PROTOCOL_CATEGORY_WEB);
+ NDPI_LOG_INFO(ndpi_struct, "found executable HTTP transfer\n");
+ return;
+ }
+ }
+ }
+
if(packet->user_agent_line.ptr != NULL && packet->user_agent_line.len != 0) {
/**
Format examples: