""ET TROJAN Win32/SystemHijack.gen CnC Checkin""
SID: 2037847
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_28, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_07_28, reviewed_at 2024_08_19
Reference:
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md5
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b41090a1804dfd518f93aa1ca1382e69
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "DSNF_2016="
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Value: "GET|20|/index.php|20|" Depth: 15
Within:
PCRE: "/^User-Agent\x3a\x20[^\r\n]+\r\nConnection\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+[\r\n]+$/H"
Special Options:
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http_header
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fast_pattern