User Agent String "$ua.tools.random()" ? :-) !
For many years I've observed requests for page license.php on my webservers, from various IPs and with various User Agent Strings:
-
"Mozilla/4.0 (compatible; MSIE 5.0; Windows 98; DigExt)"
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; MRA 4.4 (build 01334))"
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)"
"Mozilla/4.0 (compatible; Synapse)"
Mozilla/5.0
"Mozilla/5.0 (Windows NT 10.0; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0"
"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0"
Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.116 Safari/537.36
Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/22.0.345.930 Safari/535.1
"Mozilla/5.0 (Windows NT 6.0; rv:16.0) Firefox/13.0"
"Mozilla/5.0 (Windows NT 6.0; rv:16.0) Gecko/20130722 Firefox/16.0"
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.99 Safari/537.36"
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36"
"Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0"
"Mozilla/5.0 (Windows NT 6.1; rv:34.0) Gecko/20100101 Firefox/34.0"
"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36"
"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6 (.NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)"
"Mozilla/5.0 (Windows; Windows NT 5.1; en-US) Firefox/3.5.0"
"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.35 Safari/537.36"
"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36."
Opera/9.15
"Mozilla/4.0 (compatible; MSIE 5.0; Windows 98; DigExt)"
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; MRA 4.4 (build 01334))"
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)"
"Mozilla/4.0 (compatible; Synapse)"
Mozilla/5.0
"Mozilla/5.0 (Windows NT 10.0; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0"
"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0"
Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.116 Safari/537.36
Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/22.0.345.930 Safari/535.1
"Mozilla/5.0 (Windows NT 6.0; rv:16.0) Firefox/13.0"
"Mozilla/5.0 (Windows NT 6.0; rv:16.0) Gecko/20130722 Firefox/16.0"
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.99 Safari/537.36"
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36"
"Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0"
"Mozilla/5.0 (Windows NT 6.1; rv:34.0) Gecko/20100101 Firefox/34.0"
"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36"
"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6 (.NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)"
"Mozilla/5.0 (Windows; Windows NT 5.1; en-US) Firefox/3.5.0"
"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.35 Safari/537.36"
"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36."
Opera/9.15
A couple of days ago (September 12th), I got 3 requests with User Agent String "$ua.tools.random()" (IP 178.137.93.108).
This must be a configuration error: it looks like an expression to select a random User Agent String.
Please post a comment is you recognize this type of expression ($ua.tools.random()), and know which tool or programming language this is.
Didier Stevens
Senior handler
Microsoft MVP
blog.DidierStevens.com DidierStevensLabs.com
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