{"id":8576,"date":"2023-07-13T23:36:15","date_gmt":"2023-07-13T23:36:15","guid":{"rendered":"https:\/\/www.hexacorn.com\/blog\/?p=8576"},"modified":"2023-07-14T22:08:28","modified_gmt":"2023-07-14T22:08:28","slug":"enter-sandbox-27-account-creation","status":"publish","type":"post","link":"https:\/\/www.hexacorn.com\/blog\/2023\/07\/13\/enter-sandbox-27-account-creation\/","title":{"rendered":"Enter Sandbox 27: Account creation"},"content":{"rendered":"\n<p>It&#8217;s been nearly 4 years since I published my last article in this series providing the community with a large corpora of sandbox reports (<a href=\"https:\/\/www.hexacorn.com\/blog\/2019\/07\/17\/logs-from-1-6m-sandboxed-samples-release\/\" data-type=\"post\" data-id=\"6556\">apilog_2019-07-14<\/a>). <\/p>\n\n\n\n<p>One of the less known (but still pretty interesting, artifact-wise) findings inside this 200MB+ file is a large number of &#8220;net user&#8221; command invocations that can be attributed to either reconnaissance activities or are basic account creation commands issued by malicious samples&#8230; <\/p>\n\n\n\n<p>Yes, when you look at these invocations on an individual sample level they probably don&#8217;t stand out too much and don&#8217;t have much of an impact, but if you look at them in bulk, they do light up the terminal like a xmas tree&#8230;<\/p>\n\n\n\n<p>Let&#8217;s have a look! <\/p>\n\n\n\n<p>We execute a ripgrep search on the <em>apilog_2019-07-14<\/em> file:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">rg -i --iglob apilog_2019-07-14 \"net\\s+user\"<\/pre>\n\n\n\n<p>&#8211; it is looking for any &#8216;net user&#8217; case-insensitive string references preserved within this large file. The results give us a lot to think about&#8230; but, more importantly, force us to do some time-consuming manual clean up first ;), then finally leading us to the following <a href=\"https:\/\/hexacorn.com\/examples\/2023-06-07_net_user_invocations.txt\">list<\/a>&#8230;<\/p>\n\n\n\n<p>Do you like what you see?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It&#8217;s been nearly 4 years since I published my last article in this series providing the community with a large corpora of sandbox reports (apilog_2019-07-14). One of the less known (but still pretty interesting, artifact-wise) findings inside this 200MB+ file &hellip; <a href=\"https:\/\/www.hexacorn.com\/blog\/2023\/07\/13\/enter-sandbox-27-account-creation\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[41],"tags":[],"_links":{"self":[{"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/posts\/8576"}],"collection":[{"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/comments?post=8576"}],"version-history":[{"count":11,"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/posts\/8576\/revisions"}],"predecessor-version":[{"id":8629,"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/posts\/8576\/revisions\/8629"}],"wp:attachment":[{"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/media?parent=8576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/categories?post=8576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/tags?post=8576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}