Win.Trojan.Occamy

[Y M via Snort-sigs <snort-sigs () lists snort org>]

Hi,

A pcap is available for this one too.

# --------------------
# Date: 2018-06-11
# Title: Suspicious Self-signed Certificate
# Tests: pcap
# Reference: https://twitter.com/ClearskySec/status/1004749887966244865
# Hash: d7130e42663e95d23c547d57e55099c239fa249ce3f6537b7f2a8033f3aa73de
# Confidence: medium

alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"MALWARE-CNC Win.Trojan.Occamy inbound self-signed SSL certificate"; 
flow:to_client,established; content:"|16 03 01|"; content:"|02|"; distance:2; content:"|03 01|"; distance:3; 
content:"some-state"; nocase; content:"some company"; nocase; metadata:ruleset community, service ssl; 
reference:url,www.virustotal.com/#/file/d7130e42663e95d23c547d57e55099c239fa249ce3f6537b7f2a8033f3aa73de/detection; 
classtype:trojan-activity; sid:8000117; rev:1;)

Thanks.
YM

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