[Snort-sigs] BITSAdmin Upload

O C snort at outlook.com
Wed May 30 10:04:42 EDT 2018


Thanks for the feedback, Nick. I will put this rule on live traffic and see if I get any FPs.

YM
________________________________
From: Nick Randolph <drandolph at sourcefire.com>
Sent: Wednesday, May 30, 2018 4:24 PM
To: Y M
Cc: snort-sigs
Subject: Re: [Snort-sigs] BITSAdmin Upload

Yaser I don't think we can include this one in the official ruleset.

https://msdn.microsoft.com/en-us/library/windows/desktop/aa363160(v=vs.85).aspx

On Fri, May 25, 2018 at 2:36 PM, Y M via Snort-sigs <snort-sigs at lists.snort.org<mailto:snort-sigs at lists.snort.org>> wrote:
Hi,

I have only seen this used by red teamers. I am not aware of current attacks using BITSAdmin to upload stuff. I am also not aware of built-in (Windows) use either. Lab-generated pcap is available.

# --------------------
# Date: 2018-05-16
# Title: BITSAdmin File Upload
# Reference: Research
# Tests: pcap

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"INDICATOR-COMPROMISE Windows BITSAdmin upload request attempt"; flow:to_server,established; content:"BITS_POST"; http_method; content:"User-Agent: Microsoft BITS/"; fast_pattern:only; http_header; metadata:ruleset community, service http; classtype:misc-activity; sid:8000057; rev:1;)

Thanks.
YM

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--

Nick Randolph
Research Engineer
Sourcefire, Inc.
nrandolph at sourcefire.com<mailto:nrandolph at sourcefire.com>
Sourcefire.com<http://www.sourcefire.com/>
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