""ET ATTACK_RESPONSE PowerShell Geo Check Before Execution""
SID: 2037253
Revision: 3
Class Type: misc-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_01, deployment Perimeter, signature_severity Major, updated_at 2023_04_03, reviewed_at 2024_01_26
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
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Value: "|7c 20|Select|20 2d|exp|20|country|0a|" Depth: 40 Offset: 110
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Value: "|20|If|20 28 24|"
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Value: "|2d|eq|20 27|"
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Value: "|27 29|"
Within: 2
PCRE: "/ElseIf\s+\x28\x24\w{8,10}\s+\x2deq\s+\x27\w{2}\x27\x29\s+\x7b/R"
Special Options:
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file_data
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fast_pattern