""ET TROJAN DNS Query to Malware Delivery Domain (a0917004 .xsph .ru)""
SID: 2050733
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2024_02_06, deployment Perimeter, malware_family Xworm, signature_severity Major, updated_at 2024_02_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: "|08|a0917004|04|xsph|02|ru|00|"
Within: 18
PCRE:
Special Options:
-
fast_pattern
-
nocase