""ET TROJAN Sharik/Smoke CnC Beacon 3""
SID: 2021632
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2015_08_14, deployment Perimeter, former_category MALWARE, signature_severity Major, tag c2, updated_at 2022_05_03, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel
Reference:
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md5
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789ee114125a6e1db363b505a643c03d
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: "POST"
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Value: !"Accept"
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Value: !"Referer|3a|"
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Value: "POST / 1.1|0d 0a|Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|User-Agent|3a 20|" Depth: 73
Within:
PCRE: "/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"
Special Options:
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http_method
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http_header
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http_header
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fast_pattern