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Re: Snort-sigs Digest, Vol 13, Issue 3

From: Alex McDonnell <amcdonnell () sourcefire com>
Date: Tue, 5 Jun 2018 11:21:02 -0400
Essaye de cette page: https://www.snort.org/downloads/#rule-downloads.

Si tu n'est n'est pas abonné utilise
https://www.snort.org/downloads/registered/snortrules-snapshot-29111.tar.gz
si tu est enregistré.

Alexandre

On Tue, Jun 5, 2018 at 11:03 AM, oumaima el jaouhari via Snort-sigs <
snort-sigs () lists snort org> wrote:


s'il vous plait j'ai une question
 je veux télécharger les rules de snort2.9.11.1 mais ce site n'est pas
accessible
 www.snort.org/pub-bin/oinkmaster.cgi/bc301e54be4a7cdc50f1499905d836
ed7e5f9a75/snortrules-snapshot-2.9.tar.gz

2018-06-04 19:24 GMT+02:00 <snort-sigs-request () lists snort org>:


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Today's Topics:

   1. Win.Trojan.Danabot (Y M)
   2. Win.Trojan.Nocturnal (Y M)


---------- Message transféré ----------
From: Y M <snort () outlook com>
To: snort-sigs <snort-sigs () lists snort org>
Cc:
Bcc:
Date: Mon, 4 Jun 2018 17:22:53 +0000
Subject: [Snort-sigs] Win.Trojan.Danabot
Hi,

Pcap is available for this one.

# --------------------
# Date: 2018-06-01
# Title: DanaBot - A new banking Trojan surfaces Down Under
# Tests: pcap
# Reference: https://www.proofpoint.com/us/threat-insight/post/danabot-ne
w-banking-trojan-surfaces-down-under-0, https://www.virustotal.com/#/f
ile/e59fdd99c210415e5097d9703bad950d38f448b3f98bb35f0bdc83ac
2a41a60b/behavior, https://www.virustotal.com/#/f
ile/6ece271a0088c88ed29f4b78eab00d0e7800da63757b79b6e6c3838f
39aa7b69/behavior

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC
Win.Trojan.Danabot loader outbound connection"; flow:to_server,established;
content:"GET"; http_method; content:"/index.php?a="; fast_pattern:only;
http_uri; content:"&b="; http_uri; content:"&c="; http_uri; content:"&d=";
http_uri; content:"&e="; http_uri; content:!"Referer";
http_header;metadata:ruleset community, service http; reference:url,
www.proofpoint.com/us/threat-insight/post/dana
bot-new-banking-trojan-surfaces-down-under-0; classtype:trojan-activity;
sid:8000098; rev:1;)

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC
Win.Trojan.Danabot outbound connection"; flow:to_server,established;
content:"GET"; http_method; content:"/index.php?m="; fast_pattern:only;
http_uri; content:"&a="; http_uri;  content:"&b="; http_uri; content:"&c=";
http_uri; content:"&d="; http_uri; content:"&e="; http_uri;
content:!"Referer"; http_header;metadata:ruleset community, service http;
reference:url,www.proofpoint.com/us/threat-insight/post/dana
bot-new-banking-trojan-surfaces-down-under-0; classtype:trojan-activity;
sid:8000099; rev:1;)

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"MALWARE-CNC
Win.Trojan.Danabot outbound connection"; flow:to_server,established;
dsize:<120; content:"|01|"; offset:8; content:"|3D|"; distance:15;
content:"29058CCE9C17E1759747C6B67EC1A5A9|FF FF FF FF|"; distance:57;
isdataat:!1,relative; metadata:ruleset community, service http;
reference:url,www.proofpoint.com/us/threat-insight/post/dana
bot-new-banking-trojan-surfaces-down-under-0; classtype:trojan-activity;
sid:8000100; rev:1;)

Thanks.
YM


---------- Message transféré ----------
From: Y M <snort () outlook com>
To: snort-sigs <snort-sigs () lists snort org>
Cc:
Bcc:
Date: Mon, 4 Jun 2018 17:24:35 +0000
Subject: [Snort-sigs] Win.Trojan.Nocturnal
Hi,

Unfortunately, I don't have pcaps for these.

# --------------------
# Date: 2018-06-01
# Title: Thief in the night: New Nocturnal Stealer grabs data on the cheap
# Tests: syntax only
# Reference: https://www.proofpoint.com/us/threat-insight/post/thief-nigh
t-new-nocturnal-stealer-grabs-data-cheap, https://www.virustotal.com/#/f
ile/ae7e5a7b34dc216e9da384fcf9868ab2c1a1d731f583f893b2d2d400
9da15a4e/detection

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC
Win.Trojan.Nocturnal outbound connection"; flow:to_server,established;
content:"POST"; http_method; content:"Content-Disposition: form-data|3B|
name=|22|hwid|22|"; fast_pattern:only; http_client_body;
content:"Content-Disposition: form-data|3B| name=|22|os|22|";
http_client_body; content:"Content-Disposition: form-data|3B|
name=|22|platform|22|"; http_client_body; content:"Content-Disposition:
form-data|3B| name=|22|profile|22|"; http_client_body;
content:"Content-Disposition: form-data|3B| name=|22|user|22|";
http_client_body; content:"Content-Disposition: form-data|3B|
name=|22|pcount|22|"; http_client_body; content:"Content-Disposition:
form-data|3B| name=|22|cccount|22|"; http_client_body; metadata:ruleset
community, service http; reference:url,www.proofpoint.c
om/us/threat-insight/post/thief-night-new-nocturnal-stealer-
grabs-data-cheap; classtype:trojan-activity; sid:8000096; rev:1;)

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC
known malicious user-agent - Win.Trojan.Nocturnal";
flow:to_server,established; content:"User-Agent: Nocturnal/";
fast_pattern:only; http_header; metadata:ruleset community, service http;
reference:url,www.proofpoint.com/us/threat-insight/post/thie
f-night-new-nocturnal-stealer-grabs-data-cheap;
classtype:trojan-activity; sid:8000097; rev:1;)

Thanks.
YM

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_______________________________________________
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Visit the Snort.org to subscribe to the official Snort ruleset, make sure
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https://snort.org/downloads/#rule-downloads";>emerging threats</a>!



_______________________________________________
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Snort-sigs () lists snort org
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Please visit http://blog.snort.org for the latest news about Snort!

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Visit the Snort.org to subscribe to the official Snort ruleset, make sure to stay up to date to catch the most <a 
href=" https://snort.org/downloads/#rule-downloads";>emerging threats</a>!
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