[Snort-sigs] Osx.Trojan.MacDownloader

Y M snort at ...3751...
Tue Feb 14 15:33:04 EST 2017


Hello,


The remote C&C server is reported being taken offline, but hopefully the rule would catch already infected hosts.


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Osx.Trojan.MacDownloader outbound connection"; flow:to_server,established; urilen:14; content:"GET"; http_method; content:"/Servermac.php"; fast_pattern:only; content:"User-Agent|3A 20|Bitdefender Adware Removal Tool/"; http_header; metadata:ruleset community,service http; reference:url,virustotal.com/en/file/7a9cdb9d608b88bd7afce001cb285c2bb2ae76f5027977e8635aa04bd064ffb7/analysis/; reference:url,virustotal.com/en/file/52efcfe30f96a85c9c068880c20663db64f0e08346e0f3b59c2e5bbcb41ba73c/analysis/; reference:url,www.joesecurity.org/reports/report-787d664e842961f2a335139407f91a70.html; classtype:trojan-activity; sid:1000840; rev:1;)


Thank.

YM
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