diff --git a/threats/threats-database.csv b/threats/threats-database.csv
index 76912c7..81d45ee 100644
--- a/threats/threats-database.csv
+++ b/threats/threats-database.csv
@@ -1,4 +1,10 @@
 type,name,riskLevel,domain
+挂马后门,挂马后门,3,hwsrv-1320779.hostwindsdns.com
+挂马后门,挂马后门,3,hwsrv-679276.hostwindsdns.com
+挂马后门,挂马后门,3,sfrclak.com
+挂马后门,挂马后门,3,hwsrv-1309128.hostwindsdns.com
+挂马后门,挂马后门,3,callnrwise.com
+挂马后门,挂马后门,3,send16.gladipageuous.com
 APT组织,Lazy Scripter 团伙,2,stub.ignorelist.com
 钓鱼网站,Silver fox 团伙,2,openclaw-7z-download.com
 钓鱼网站,Silver fox 团伙,2,openclaw-win-download.com