""ET TROJAN Possible Raspberry Robin Activity M2 (GET)""
SID: 2045212
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2023_04_27, deployment Perimeter, performance_impact Significant, confidence Medium, signature_severity Major, updated_at 2023_04_27
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 1024:
Flow: established,to_server
Contents:
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Value: "GET"
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Value: !"|2e|"
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Value: "Connection|3a 20|Keep|2d|Alive|0d 0a|Accept|3a 20 2a 2f 2a 0d 0a|User|2d|Agent|3a 20|Windows|20|Installer|0d 0a|Host|3a 20|" Depth: 74
Within:
PCRE: "/^Connection\x3a\x20[^\r\n]+\r\nAccept\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+[\r\n]+$/H"
Special Options:
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http_method
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http_uri
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http_header
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fast_pattern