""ET TROJAN Win32/Qbot CnC Activity M2""
SID: 2035525
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_12_09, deployment Perimeter, deployment SSLDecrypt, malware_family Qbot, performance_impact Low, signature_severity Major, updated_at 2020_12_09
Reference:
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md5
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3ceb36fc3607df3d67d9eb0f1d00fea0
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "POST|20|/t4|20|HTTP/1.1" Depth: 17
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Value: "Accept|3a 20|Accept: application/x-shockwave-flash, image/gif, image/jpeg, image/pjpeg, /|0d 0a|"
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Value: !"Referer|3a|"
Within:
PCRE: "/^[A-Za-z0-9]{3,20}=(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/Psi"
Special Options:
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fast_pattern
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http_header
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http_header