""ET TROJAN Oyster Backdoor Domain in DNS Lookup (supfoundrysettlers .us)""
SID: 2055250
Revision: 1
Class Type: trojan-activity
Metadata: created_at 2024_08_13, malware_family Oyster_Backdoor, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_08_13
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: "|12|supfoundrysettlers|02|us|00|"
Within: 23
PCRE:
Special Options:
-
fast_pattern
-
nocase