Win.Trojan.Dropper

[O C via Snort-sigs <snort-sigs () lists snort org>]

Hi,

This downloader uses a rather unique User-Agent. Pcap is available for this one.

# --------------------
# Date: 2018-05-28
# Title: Win.Trojan.Dropper
# Tests: pcap
# Reference: 
https://www.virustotal.com/#/file/782cc4188618cf0c4815f85ea7873a004464095f5ed459b8d1579fa27ce5810e/detection

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC known malicious user-agent - 
Win.Trojan.Dropper"; flow:to_server,established; content:"User-Agent: HTTPREAD|0D 0A|"; fast_pattern:only; 
metadata:ruleset community, service http; 
reference:url,www.virustotal.com/#/file/782cc4188618cf0c4815f85ea7873a004464095f5ed459b8d1579fa27ce5810e/detection; 
classtype:trojan-activity; sid:8000074; rev:1;)

Thanks.
YM

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