""ET TROJAN TA399/Sidewinder APT CnC Domain in DNS Lookup (srilankanavy .ksew .org)""
SID: 2055168
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2024_08_08, deployment Perimeter, signature_severity Major, tag Sidewinder, tag TA399, updated_at 2024_08_08
Reference:
-
md5
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43d35b5b20f491be219ab2eaa172ec55
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|srilankanavy|04|ksew|03|org|00|"
Within: 7
PCRE:
Special Options:
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fast_pattern
-
nocase