""ET TROJAN ELF/crond CnC Request (GET)""
SID: 2055467
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Linux, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_08_23, deployment Perimeter, signature_severity Critical, tag c2, updated_at 2024_08_23, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol
Reference:
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md5
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d13254b450e9c45b86f0972eb3a10608
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: "/api/buffalo_" Depth: 13
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Value: "|2e|txt"
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Value: "curl"
Within:
PCRE: "/^User-Agent\x3a\x20[^\r\n]+curl/Hmi"
Special Options:
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http_method
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http_uri
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fast_pattern
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http_uri
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http_header