""ET TROJAN OSX/Keydnap DNS Query to CnC""
SID: 2022950
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2016_07_06, deployment Perimeter, performance_impact Low, signature_severity Major, tag TROJAN_OSX_Keydnap, updated_at 2019_08_28
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: "|10|g5wcesdfjzne7255|05|onion|02|to|00|"
Within: 7
PCRE:
Special Options:
-
nocase
-
fast_pattern