Net has a great deal of functionality,  much of which is useful for an adversary, such as gathering system and network information for Discovery, moving laterally through Windows Admin Shares using
net use commands, and interacting with services. The net1.exe utility is executed for certain functionality when net.exe is run and can be used directly in commands such as
|Enterprise||T1087||.001||Account Discovery: Local Account|
|.002||Account Discovery: Domain Account|
|Enterprise||T1136||.001||Create Account: Local Account|
|.002||Create Account: Domain Account|
|Enterprise||T1070||.005||Indicator Removal on Host: Network Share Connection Removal|
|Enterprise||T1135||Network Share Discovery|
|Enterprise||T1201||Password Policy Discovery|
|Enterprise||T1069||.001||Permission Groups Discovery: Local Groups|
|.002||Permission Groups Discovery: Domain Groups|
|Enterprise||T1021||.002||Remote Services: SMB/Windows Admin Shares|
|Enterprise||T1018||Remote System Discovery|
|Enterprise||T1049||System Network Connections Discovery|
|Enterprise||T1007||System Service Discovery|
|Enterprise||T1569||.002||System Services: Service Execution|
|Enterprise||T1124||System Time Discovery|
Groups That Use This Software
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- Savill, J. (1999, March 4). Net.exe reference. Retrieved September 22, 2015.
- Microsoft. (2017, February 14). Net Commands On Windows Operating Systems. Retrieved March 19, 2020.
- Microsoft. (n.d.). Net Use. Retrieved November 25, 2016.
- Microsoft. (n.d.). Net time. Retrieved November 25, 2016.
- Symantec Security Response Attack Investigation Team. (2018, April 23). New Orangeworm attack group targets the healthcare sector in the U.S., Europe, and Asia. Retrieved May 8, 2018.
- PwC and BAE Systems. (2017, April). Operation Cloud Hopper: Technical Annex. Retrieved April 13, 2017.
- Baumgartner, K., Golovkin, M.. (2015, May). The MsnMM Campaigns: The Earliest Naikon APT Campaigns. Retrieved April 10, 2019.
- Counter Threat Unit Research Team. (2017, June 27). BRONZE UNION Cyberespionage Persists Despite Disclosures. Retrieved July 13, 2017.
- Alperovitch, D. (2014, July 7). Deep in Thought: Chinese Targeting of National Security Think Tanks. Retrieved November 12, 2014.
- Dell SecureWorks Counter Threat Unit Special Operations Team. (2015, May 28). Living off the Land. Retrieved January 26, 2016.
- FireEye Threat Intelligence. (2015, December 1). China-based Cyber Threat Group Uses Dropbox for Malware Communications and Targets Hong Kong Media Outlets. Retrieved December 4, 2015.
- FireEye. (2018, October 03). APT38: Un-usual Suspects. Retrieved November 6, 2018.
- Mandiant. (n.d.). APT1 Exposing One of China’s Cyber Espionage Units. Retrieved July 18, 2016.
- Kaspersky Lab's Global Research and Analysis Team. (2014, August 7). The Epic Turla Operation: Solving some of the mysteries of Snake/Uroburos. Retrieved December 11, 2014.
- Dahan, A. (2017). Operation Cobalt Kitty. Retrieved December 27, 2018.
- Counter Threat Unit Research Team. (2017, October 12). BRONZE BUTLER Targets Japanese Enterprises. Retrieved January 4, 2018.
- US-CERT. (2018, March 16). Alert (TA18-074A): Russian Government Cyber Activity Targeting Energy and Other Critical Infrastructure Sectors. Retrieved June 6, 2018.
- Falcone, R. and Lee, B.. (2016, May 26). The OilRig Campaign: Attacks on Saudi Arabian Organizations Deliver Helminth Backdoor. Retrieved May 3, 2017.
- Sardiwal, M, et al. (2017, December 7). New Targeted Attack in the Middle East by APT34, a Suspected Iranian Threat Group, Using CVE-2017-11882 Exploit. Retrieved December 20, 2017.
- Villeneuve, N., Bennett, J. T., Moran, N., Haq, T., Scott, M., & Geers, K. (2014). OPERATION “KE3CHANG”: Targeted Attacks Against Ministries of Foreign Affairs. Retrieved November 12, 2014.
- Smallridge, R. (2018, March 10). APT15 is alive and strong: An analysis of RoyalCli and RoyalDNS. Retrieved April 4, 2018.
- Elovitz, S. & Ahl, I. (2016, August 18). Know Your Enemy: New Financially-Motivated & Spear-Phishing Group. Retrieved February 26, 2018.
- Plan, F., et all. (2019, March 4). APT40: Examining a China-Nexus Espionage Actor. Retrieved March 18, 2019.
- Security Response attack Investigation Team. (2019, March 27). Elfin: Relentless Espionage Group Targets Multiple Organizations in Saudi Arabia and U.S.. Retrieved April 10, 2019.
- Cybereason Nocturnus. (2019, June 25). Operation Soft Cell: A Worldwide Campaign Against Telecommunications Providers. Retrieved July 18, 2019.
- Fraser, N., et al. (2019, August 7). Double DragonAPT41, a dual espionage and cyber crime operation APT41. Retrieved September 23, 2019.
- Hanel, A. (2019, January 10). Big Game Hunting with Ryuk: Another Lucrative Targeted Ransomware. Retrieved May 12, 2020.
- Brian Donohue, Katie Nickels, Paul Michaud, Adina Bodkins, Taylor Chapman, Tony Lambert, Jeff Felling, Kyle Rainey, Mike Haag, Matt Graeber, Aaron Didier.. (2020, October 29). A Bazar start: How one hospital thwarted a Ryuk ransomware outbreak. Retrieved October 30, 2020.
- Kimberly Goody, Jeremy Kennelly, Joshua Shilko, Steve Elovitz, Douglas Bienstock. (2020, October 28). Unhappy Hour Special: KEGTAP and SINGLEMALT With a Ransomware Chaser. Retrieved October 28, 2020.
- The DFIR Report. (2020, October 8). Ryuk’s Return. Retrieved October 9, 2020.
- The DFIR Report. (2020, November 5). Ryuk Speed Run, 2 Hours to Ransom. Retrieved November 6, 2020.
- The DFIR Report. (2020, October 18). Ryuk in 5 Hours. Retrieved October 19, 2020.
- Sean Gallagher, Peter Mackenzie, Elida Leite, Syed Shahram, Bill Kearney, Anand Aijan, Sivagnanam Gn, Suraj Mundalik. (2020, October 14). They’re back: inside a new Ryuk ransomware attack. Retrieved October 14, 2020.
- Hiroaki, H. and Lu, L. (2019, June 12). Shifting Tactics: Breaking Down TA505 Group’s Use of HTML, RATs and Other Techniques in Latest Campaigns. Retrieved May 29, 2020.
- CISA. (2020, July 16). MAR-10296782-1.v1 – SOREFANG. Retrieved September 29, 2020.