""ET TROJAN NOBELIUM - Cobalt Strike Malleable Profile M1""
SID: 2034868
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2021_12_07, deployment Perimeter, malware_family Cobalt_Strike, signature_severity Major, updated_at 2021_12_07, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "v1.5472"
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Value: "Cache-Control|3a 20|no-cache"
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Value: "Content-Type|3a 20|text/html|0d 0a|"
Within:
PCRE: "/v1.5472$/U"
Special Options:
-
http_method
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http_uri
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http_header
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http_header