PLC-BLASTER

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Access Protection ● ● ● Limits S7CommPlus features – By Password Works By default disabled Function Off Write- Protection Start/Stop CPU y n n Transfer Program to PLC y n n Retrieve Program from PLC y y n Edit Output/Input/Memory y y y Read Identification y y y Assign IP-Adress y y y Set time of day y n n Reset y n n Write/Read- Protection Black Hat Asia 2016: PLC-Blaster 50
Improvements & Recommendations ● ● Vendor – Access protection enabled by default – Integrity protection using checksums – Disable connections via TCON to port 102 User – Enable the access protection – Firewall restrictions (PLC opens the connection) Black Hat Asia 2016: PLC-Blaster 51
Page 1 and 2: PLC-BLASTER A Worm Living Solely in
Page 3 and 4: S7-1211 ● ● ● ● ● Built f
Page 5 and 6: Program Organization Blocks ● OB
Page 7 and 8: Worm ● ● ● ● Target discove
Page 9 and 10: Target Discovery II IF "data".con_s
Page 11 and 12: Worm ● ● ● ● Target discove
Page 13 and 14: Protocol Analysis I ● S7CommPlus
Page 15 and 16: Protocol Analysis III Message 1: Co
Page 17 and 18: Attribute-Blocks II Datatype Attrib
Page 19 and 20: Anti-Replay Mechanism Message 2: Co
Page 21 and 22: Transfer a Program Message: Downloa
Page 23 and 24: Fun with Attribute Blocks I ● Dat
Page 25 and 26: Fun with Attribute Blocks I ● ●
Page 27 and 28: Fun with Attribute Blocks II ●
Page 29 and 30: Implement the Worm ● ● ● ●
Page 31 and 32: Activation ● ● ● ● OB (Orga
Page 33 and 34: Payloads ● ● ● DoS Arbitrary
Page 35 and 36: Demonstration Attacker Injection C&
Page 37 and 38: Demonstration Attacker C&C Server C
Page 39 and 40: Impact on the PLC II ● Memory usa
Page 41 and 42: Persistence & Identification ●
Page 43 and 44: Black Hat Asia 2016: PLC-Blaster 43
Page 45 and 46: Knowhow Protection ● ● ● Prev
Page 47 and 48: Knowhow Protection III ● ● Key
Page 49: Copy Proection ● ● ● ● ●
Page 53 and 54: Test Test Siemens● S7-1200 Ja Ja
Page 55 and 56: Test Test Leading Vendors Supportin
Page 57: Q&A http://opensource-security.de i

PLC-BLASTER

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