""ET TROJAN Cobalt Strike Activity (GET)""
SID: 2034358
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2021_11_08, deployment Perimeter, deployment SSLDecrypt, malware_family Cobalt_Strike, signature_severity Major, updated_at 2021_11_08
Reference:
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md5
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f790bea81673806479e30337629fa605
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "GET"
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Value: "/oscp/" Depth: 6
Within:
PCRE: "/^Accept\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nConnection\x3a\x20[^\r\n]+\r\nCache-Control\x3a\x20[^\r\n]+[\r\n]+$/H"
Special Options:
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http_method
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http_uri
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fast_pattern