""ET WEB_CLIENT Zimbra zauthtoken Exfil Domain in DNS Lookup (zimbrauser .me)""
SID: 2050659
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2024_02_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Web_Client_Attacks, updated_at 2024_02_01, reviewed_at 2024_05_06
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: "|0a|zimbrauser|02|me|00|"
Within: 15
PCRE:
Special Options:
-
fast_pattern
-
nocase