ATTACK AD [PTsecurity] DCShadow Replication Attempt - DRSUAPI_REPLICA_ADD from non-DC

SID: 10002558Rev: 10 views
Sourceptresearch/attackdetection
CreatedDecember 13, 2021
UpdatedDecember 13, 2021
Classificationattempted-admin
alert tcp !$DC_SERVERS any -> $DC_SERVERS [1024:] (msg:"ATTACK AD [PTsecurity] DCShadow Replication Attempt - DRSUAPI_REPLICA_ADD from non-DC"; flow:established, to_server, no_stream; content:"|05 00 00 03|"; depth:4; content:"|05 00|"; distance:18; within:2; flowbits:isset, RPC.Bind.DRSUAPI; reference:url, blog.alsid.eu/dcshadow-explained-4510f52fc19d; classtype:attempted-admin; reference:url, github.com/ptresearch/AttackDetection; sid:10002558; rev:1;)

References

urlblog.alsid.eu/dcshadow-explained-4510f52fc19d
urlgithub.com/ptresearch/AttackDetection

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