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Inside the Open Directory of the “You Dun” Threat Group
Inside the Open Directory of the “You Dun” Threat Group
  • Analysis of an open directory found a Chinese speaking threat actor’s toolkit and history of activity. The threat actor displayed extensive scanning and exploitation using WebLogicScan, Vulmap, and Xray, targeting organizations in South Korea, China, Thailand, Taiwan, and Iran. The Viper C2 framework was present as well as a Cobalt Strike kit which included TaoWu and Ladon extensions. * The Leaked LockBit 3 builder was used to create a LockBit payload with a custom ransom note that included reference to a Telegram group which we investigated further in the report.
·thedfirreport.com·
Inside the Open Directory of the “You Dun” Threat Group
Lapsus$: when kiddies play in the big league
Lapsus$: when kiddies play in the big league
You may not have missed all the noises recently caused by Lapsus$, a group that seems to specialize in extortion without necessarily leveraging ransomware. At first glance, Lapsus$ check marks all elements that would make researchers put them in the low priority threats, especially considering their readiness to make dramas and OpSec failures. Except that the group has successfully managed to significantly enrich its victim list with high profile corporations, thus drawing all our attention. In the following, we will describe the threat actor profile that was drawn by our investigations based either on OSINT, dark web or infrastructure analysis.
·sekoia.io·
Lapsus$: when kiddies play in the big league
Lapsus$: when kiddies play in the big league
Lapsus$: when kiddies play in the big league
You may not have missed all the noises recently caused by Lapsus$, a group that seems to specialize in extortion without necessarily leveraging ransomware. At first glance, Lapsus$ check marks all elements that would make researchers put them in the low priority threats, especially considering their readiness to make dramas and OpSec failures. Except that the group has successfully managed to significantly enrich its victim list with high profile corporations, thus drawing all our attention. In the following, we will describe the threat actor profile that was drawn by our investigations based either on OSINT, dark web or infrastructure analysis.
·sekoia.io·
Lapsus$: when kiddies play in the big league
Lapsus$: when kiddies play in the big league
Lapsus$: when kiddies play in the big league
You may not have missed all the noises recently caused by Lapsus$, a group that seems to specialize in extortion without necessarily leveraging ransomware. At first glance, Lapsus$ check marks all elements that would make researchers put them in the low priority threats, especially considering their readiness to make dramas and OpSec failures. Except that the group has successfully managed to significantly enrich its victim list with high profile corporations, thus drawing all our attention. In the following, we will describe the threat actor profile that was drawn by our investigations based either on OSINT, dark web or infrastructure analysis.
·sekoia.io·
Lapsus$: when kiddies play in the big league