[Snort-sigs] Win.Trojan.DoubleAgent

Y M snort at outlook.com
Tue May 1 14:20:24 EDT 2018


Hi,

Not sure what call this one, hence, the DoubleAgent, borrowed from the research title. No pcaps available for this one.

# Title: Lojack Becomes a Double-Agent
# Tests: systax only
# Reference: https://asert.arbornetworks.com/lojack-becomes-a-double-agent/amp/

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Trojan.DoubleAgent outbound connection"; flow:to_server,established; content:"POST"; http_method; content:"User-Agent: Mozilla/4.0 (compatible|3B| MSIE6.0|3B|)|0D 0A|"; fast_pattern:only; http_header; content:"TagId: "; http_header; content:!"Host: search.namequery.com"; http_header; content:!"Accept"; http_header; metadata:ruleset community, service http; reference:url,asert.arbornetworks.com/lojack-becomes-a-double-agent/amp/; classtype:trojan-activity; sid:8000037; rev:1;)

Thanks.
YM
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