""ET TROJAN Win32/Chifrax.a CnC Exfil via TCP""
SID: 2048043
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_09_12, deployment Perimeter, confidence High, signature_severity Critical, updated_at 2023_09_12, reviewed_at 2023_09_12
Reference:
-
md5
-
af090e363e79628671faf1b0a98587aa
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 1024:
Flow: established,to_server
Contents:
-
Value: "|7c|" Depth: 1 Offset: 1
-
Value: "|7c|0x6F6E6C696E657C"
Within: 17
PCRE: "/^(?:(?:[0-9]{1})\x7c(?:[0-9]{3})\x7c0x6F6E6C696E657C)/"
Special Options:
- fast_pattern