""ET TROJAN Commonly Abused Domain in DNS Lookup (gk-stst .ru)""
SID: 2047722
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2023_08_24, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2023_08_24, reviewed_at 2024_01_29
Reference:
-
md5
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f3100ed6ed9526289473ecd6af30061e
Protocol: udp
Source Network: $HOME_NET
Source Port: any
Destination Network: any
Destination Port: 53
Flow:
Contents:
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Value: "|01|" Depth: 1 Offset: 2
-
Value: "|00 01 00 00 00 00 00|"
-
Value: "|07|gk-stst|02|ru|00|"
Within: 12
PCRE:
Special Options:
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fast_pattern
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nocase