""ET TROJAN TA421 Wineloader CnC Checkin""
SID: 2051131
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_02_27, deployment Perimeter, deployment SSLDecrypt, malware_family TA421, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_02_27
Reference:
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.php"
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Value: "Content-Length|3a 20|"
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Value: "User-Agent|3a 20|Mozilla/5.0|20 28|Windows NT 10.0|3b 20|Win64|3b 20|x64|3b 20|rv|3a|86.1|29 20|Gecko/20100101 Firefox/86.1"
Within:
PCRE:
Special Options:
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http_method
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http_uri
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http_header
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http_header