""ET TROJAN Suspected Powershell Empire Activity M1""
SID: 2053781
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Mac_OSX, affected_product Linux, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_06_20, deployment Perimeter, malware_family Empire, confidence Medium, signature_severity Major, tag c2, updated_at 2024_06_20, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "/login/process.php"
-
Value: !"|0d 0a|referer|3a 20|"
-
Value: !"|0d 0a|accept|3a 20|"
Within:
PCRE: "/cookie\x3a\x20[^\r\n]+\r\nuser-agent\x3a\x20[^\r\n]+\r\nhost\x3a\x20[^\r\n]+\r\n/i"
Special Options:
-
http_uri
-
fast_pattern
-
http_header
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nocase
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http_header
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nocase