[Snort-sigs] FakeUpdates campaign sig
phillile at sourcefire.com
Fri Apr 27 10:59:58 EDT 2018
Thanks for your submission. We will review the rules and get back to you when they're finished.
> On Apr 27, 2018, at 10:19 AM, Y M via Snort-sigs <snort-sigs at lists.snort.org> wrote:
> I skipped signatures for the redirection and just focused on the final payload request. No pcaps available for this one.
> # Title: Fakeupdates Campaign
> # Reference: https://blog.malwarebytes.com/threat-analysis/2018/04/fakeupdates-campaign-leverages-multiple-website-platforms/ <https://blog.malwarebytes.com/threat-analysis/2018/04/fakeupdates-campaign-leverages-multiple-website-platforms/>
> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC FakeUpdates campaign final payload request"; flow:to_server,established; content:"POST"; http_method; urilen:8; content:"/1x1.png"; fast_pattern:only; http_uri; content:"auth255|3A 20|login|0D 0A|"; http_header; content:"Accept|3A 20|*/*|0D 0A|"; http_header; content:"="; offset:1; http_client_body; metadata:ruleset community, service http; reference:url,blog.malwarebytes.com/threat-analysis/2018/04/fakeupdates-campaign-leverages-multiple-website-platforms/ <http://blog.malwarebytes.com/threat-analysis/2018/04/fakeupdates-campaign-leverages-multiple-website-platforms/>; classtype:trojan-activity; sid:8000008; rev:1;)
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