""ET TROJAN CHIMNEYSWEEP Backdoor CnC Domain (server-avira .com) in DNS Lookup""
SID: 2037947
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 2022_08_04, deployment Perimeter, malware_family CHIMNEYSWEEP, performance_impact Low, signature_severity Major, updated_at 2022_08_04
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: "|0c|server-avira|03|com|00|"
Within: 18
PCRE:
Special Options:
-
nocase
-
fast_pattern