""ET TROJAN Win32/Varenyky Spambot CnC in DNS Query""
SID: 2027826
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2019_08_08, deployment Perimeter, signature_severity Major, updated_at 2019_08_08
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|thinstop|03|icu|00|"
Within: 7
PCRE:
Special Options:
- fast_pattern