""ET TROJAN Win32/H0lyGh0st Ransomware CnC Activity (GET Public Key)""
SID: 2037766
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 2022_07_14, deployment Perimeter, signature_severity Major, updated_at 2022_07_14
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: any
Flow: established,to_server
Contents:
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Value: "GET"
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Value: "/access.php?order=GetPubkey" Depth: 27
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Value: "|0d 0a|User-Agent|3a 20|Go|2d|http|2d|client|2f|1|2e|1|0d 0a|"
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Value: !"|0d 0a|Referer|3a 20|"
Within:
PCRE: "/Host\x3a\x20\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}/H"
Special Options:
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http_method
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http_uri
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fast_pattern
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http_header