[Snort-sigs] Doc.Dropper.Yoban

Y M snort at outlook.com
Mon Jun 11 14:57:11 EDT 2018


Hi,

Pcap is available for these.

# --------------------
# Date: 2018-06-09
# Title: Doc.Dropper.Yoban - Suspected ThreadKit Document
# Tests: pcap
# Reference: research
# Confidence: medium

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Doc.Dropper.Yoban BAT outbound connection"; flow:to_server,established; content:"GET"; http_method; content:".php?stats=send"; fast_pattern:only; http_uri; content:"&thread=0"; http_uri; metadata:ruleset community, service http; reference:url,www.hybrid-analysis.com/sample/80384531435a6281a53f8d2b6f10a9aa80c199fac9f7684d7be4c53922b5e773/5aafa2727ca3e139485653bb; classtype:trojan-activity; sid:8000111; rev:1;)

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Doc.Dropper.Yoban BAT outbound connection"; flow:to_server,established; content:"GET"; http_method; content:".cfm?b="; http_uri; content:"&u="; http_uri; content:"&m="; http_uri; content:"&urllink="; http_uri; content:"&afftrack="; http_uri; metadata:ruleset community, service http; reference:url,www.hybrid-analysis.com/sample/80384531435a6281a53f8d2b6f10a9aa80c199fac9f7684d7be4c53922b5e773/5aafa2727ca3e139485653bb; classtype:trojan-activity; sid:8000112; rev:1;)

Thanks.
YM
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