""ET EXPLOIT Possible Zerologon Phase 1/3 - NetrServerReqChallenge with 0x00 Client Challenge (CVE-2020-1472)""
SID: 2030870
Revision: 4
Class Type: attempted-admin
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Server, created_at 2020_09_14, cve CVE_2020_1472, deployment Perimeter, deployment Internal, performance_impact Significant, signature_severity Major, updated_at 2022_02_22
Reference:
Protocol: tcp
Source Network: any
Source Port: any
Destination Network: [$HTTP_SERVERS,$HOME_NET]
Destination Port: 1024:
Flow: established,to_server
Contents:
-
Value: "|05 00 00|" Depth: 3
-
Value: "|04 00|" Depth: 2 Offset: 22
-
Value: "|00 00 00 00 00 00 00 00|"
Within:
PCRE:
Special Options:
- fast_pattern