""ET TROJAN [ANY.RUN] Win32/ObserverStealer CnC Activity (System Information)""
SID: 2046151
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_06_07, deployment Perimeter, former_category MALWARE, malware_family ObserverStealer, confidence High, signature_severity Critical, updated_at 2023_06_07
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: "POST"
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Value: "X-Info|3a 20 0d 0a|X-Config|3a 20|SYS|0d 0a|X-ID|3a 20|"
Within:
PCRE: "/X-ID\x3a\x20([0-9a-f]{8})-([0-9a-f]{4})-([0-9a-f]{4})-([0-9a-f]{4})-([0-9a-f]{12})/H"
Special Options:
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http_method
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http_header
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fast_pattern