""ET TROJAN Win32/Blacktech Plead CnC Activity (POST)""
SID: 2036315
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2022_04_22, deployment Perimeter, malware_family BlackTech, signature_severity Major, updated_at 2022_04_22
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "POST"
-
Value: ".aspx?m="
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Value: "User-Agent|3a 20|Mozilla/4.0|20|(compatible|3b 20|MSIE|20|8.0|3b 20|Win32)|0d 0a|"
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Value: !"Referer|3a 20|"
Within:
PCRE: "/.aspx\?m=[0-9]{10}$/U"
Special Options:
-
http_method
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fast_pattern
-
http_uri
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http_header
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http_header