""ET TROJAN W32/Dadobra.Downloader/DNSChanger Dnsmake CnC Beacon""
SID: 2018150
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2014_02_18, deployment Perimeter, signature_severity Major, tag c2, updated_at 2014_02_18, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel
Reference:
-
md5
-
dd3e5b41238a73d627c6c48108a15452
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "/dnsmake.txt"
-
Value: "Indy Library"
Within:
PCRE: "/User-Agent\x3A\x20[^\r\n]*Indy\x20Library/H"
Special Options:
-
fast_pattern
-
http_uri
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http_header