""ET TROJAN TA444 Domain in DNS Lookup (cisco-webex .online)""
SID: 2048951
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_10_30, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag TA444, updated_at 2023_10_30, reviewed_at 2023_10_30
Reference:
Protocol: udp
Source Network: $HOME_NET
Source Port: any
Destination Network: any
Destination Port: 53
Flow:
Contents:
-
Value: "|01|" Depth: 1 Offset: 2
-
Value: "|00 01 00 00 00 00 00|"
-
Value: "|0b|cisco-webex|06|online|00|"
Within: 20
PCRE:
Special Options:
-
fast_pattern
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nocase