""ET TROJAN APT/FamousSparrow Activity (POST)""
SID: 2034015
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2021_09_23, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_09_23
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "POST"
-
Value: "/"
-
Value: !"Referer"
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Value: "Host|3a 20|credits.offices-analytics.com|0d 0a|"
Within:
PCRE: "/\r\nUser-Agent\x3a\x20[^\r\n]+\r\nAccept-Language\x3a\x20[^\r\n]+\r\nAccept[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\n(?:\r\n)?$/Hi"
Special Options:
-
http_method
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http_uri
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http_header
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fast_pattern
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http_header