1468748798.090 711 192.168.128.31 TCP_MISS/200 591 GET http://www.jovetech.com/down/YST/S/yst_home.txt - HIER_DIRECT/119.188.172.17 text/plain
That returned :DIP:112.4.212.199:9210
DIP:221.234.43.228:9210
WIP:112.84.180.43:9210
WIP:58.56.111.4:9210
WIP:119.188.172.5:9210
DIP:58.56.111.11:9210
DIP:120.192.81.186:9210
WIP:120.192.84.26:9210
Those IP addresses are owned by :person: Chinanet Hostmaster
nic-hdl: CH93-AP
e-mail: anti-spam@ns.chinanet.cn.net
address: No.31 ,jingrong street,beijing
address: 100032
phone: +86-10-58501724
fax-no: +86-10-58501724
country: CN
changed: dingsy@cndata.com 20070416
changed: zhengzm@gsta.com 20140227
mnt-by: MAINT-CHINANET
source: APNIC
Looks like a legitimate request, right? Ouch. I knew those ports needed to get blocked (port 9210). Next, I thought I'd try to scan it to see some details :[root@hostname squid]# nmap -sT -O 192.168.128.31
Starting Nmap 6.40 ( http://nmap.org ) at 2016-07-17 20:03 MDT
Nmap scan report for 192.168.128.31
Host is up (0.0013s latency).
Not shown: 995 closed ports
PORT STATE SERVICE
23/tcp open telnet
80/tcp open http
554/tcp open rtsp
8099/tcp open unknown
9101/tcp open jetdirect
MAC Address: E0:62:90:E4:E2:34 (Jinan Jovision Science & Technology Co.)
Device type: general purpose
Running: Linux 2.6.X|3.X
OS CPE: cpe:/o:linux:linux_kernel:2.6 cpe:/o:linux:linux_kernel:3
OS details: Linux 2.6.32 - 3.2
Network Distance: 1 hop
OS detection performed. Please report any incorrect results at http://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 4.98 seconds
[root@hostname squid]#
A little research, and I found ports 8099 and 9101 were related to some ONVIF and DVR functionality of the camera. I was actually more interested in the "23/tcp open telnet" line to gain root access. I currently cannot find the default credentials. I may have to really get more in depth.I also threw a simple HTTP request at it to see what it returned.
GET / HTTP/1.0
Host: camera-backporch
HTTP/1.0 200 OK
Server: thttpd/2.25b 29dec2003
Content-Type: text/html; charset=utf-8
Date: Sat, 15 Jan 2000 05:43:43 GMT
Last-Modified: Thu, 26 Mar 2015 02:37:24 GMT
Accept-Ranges: bytes
Connection: close
Content-Length: 9872
<!doctype html>
<html>
<head>
<!-- use webkit mode for 360 -->
<meta name="renderer" content="webkit">
<meta http-equiv="X-UA-Compatible" content="IE=10" />
<meta charset="utf-8" />
<script src="js/jq.js">
<script src="js/jq.browser.js">
<script src="js/jq.i18n.p.js">
<script src="js/u.js">
<link rel="stylesheet" href="css/reset.css" />
<link rel="stylesheet" href="css/style.css" />
<script src="js/index.js">
<title data-i18n-l="jovision">
</head>
[ ... snip ... ]
</div>
</div>
<div id="footer" data-i18n-l="jovision">
</body>
</html>
Connection closed by foreign host.
[root@ch squid]#
The "Server: thttpd/2.25b 29dec2003" header was beneficial, but the last "<div id="footer" data-i18n-l="jovision"></div>" line seemed to match the MAC address description with a reference to "Jovision", and also corresponds to the "jovetech" reference from Squid. Huh! Looks like it tries to dial home!
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