分(fēn)析者: Patrick Angelo Roderno   
 :

Linux.Chikdos.B!gen2 (NORTON); Backdoor:Linux/Setag!rfn (MICROSOFT); HEUR:Backdoor.Linux.Ganiw.d (KASPERSKY)

 平台:

Linux

 总體(tǐ)风险等级:
 潜在破坏:
 潜在分(fēn)布:
 感染次数:
 信息暴露:

  • 恶意软件类型:
    Backdoor

  • 有(yǒu)破坏性？:
    没有(yǒu)

  • 加密？:
    没有(yǒu)

  • In the Wild:
    是的

  概要

感染途徑: 从互联网上下载，或由其他(tā)恶意软件释放。

它以其他(tā)恶意软件释放的文(wén)件或用(yòng)户访问恶意网站时不知不觉下载的文(wén)件的形式到达系统。它开始执行然后再删除。

  技(jì )术详细信息

文(wén)件大小(xiǎo): 1,223,123 bytes
报告日期: ELF
内存驻留: 没有(yǒu)
初始樣本接收日期: 2018年11月1日
Payload: 植入文(wén)件, 连接到 URL/Ip, 窃取信息

新(xīn)病毒详细信息

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

安(ān)装(zhuāng)

它在受感染的系统中(zhōng)植入并执行下列自身副本：

  • /usr/bin/bsd-port/getty

它创建下列文(wén)件夹：

  • /usr/bin/dpkgd
  • /usr/bin/bsd-port

后门例程

它执行遠(yuǎn)程恶意用(yòng)户的下列命令：

  • Initiate DDoS attacks:
    • SYN flood
    • DNS flood
    • ICMP flood
    • UDP flood
    • TCP flood
    • TNS poisoning
    • Challenge Collapsar (CC) attack
  • Stop DDoS attack
  • Execute shell commands

植入例程

它植入下列文(wén)件：

  • /usr/bin/bsd-port/getty.lock
  • /tmp/gates.lod
  • /tmp/moni.lod
  • /tmp/notify.file

信息窃取

它收集下列数据:

  • OS name
  • OS version
  • CPU clock rate
  • CPU usage
  • Number of CPU cores
  • Network usage
  • RAM size
  • IP address of infected machine

其他(tā)详细信息

它连接到下列网站，发送和接收信息：

  • {BLOCKED}.{BLOCKED}.163.68
  • {BLOCKED}.{BLOCKED}.192.68
  • {BLOCKED}.{BLOCKED}.213.68
  • {BLOCKED}.{BLOCKED}.200.101
  • {BLOCKED}.{BLOCKED}.2.2
  • {BLOCKED}.{BLOCKED}.64.1
  • {BLOCKED}.{BLOCKED}.88.129
  • {BLOCKED}.{BLOCKED}.180.2
  • {BLOCKED}.{BLOCKED}.78.2
  • {BLOCKED}.{BLOCKED}.199.68
  • {BLOCKED}.{BLOCKED}.3.3
  • {BLOCKED}.{BLOCKED}.3.8
  • {BLOCKED}.{BLOCKED}.144.30
  • {BLOCKED}.{BLOCKED}.9.9
  • {BLOCKED}.{BLOCKED}.9.61
  • {BLOCKED}.{BLOCKED}.160.110
  • {BLOCKED}.{BLOCKED}.7.6
  • {BLOCKED}.{BLOCKED}.7.17
  • {BLOCKED}.{BLOCKED}.0.20
  • {BLOCKED}.{BLOCKED}.46.151
  • {BLOCKED}.{BLOCKED}.195.68
  • {BLOCKED}.{BLOCKED}.196.115
  • {BLOCKED}.{BLOCKED}.196.212
  • {BLOCKED}.{BLOCKED}.196.228
  • {BLOCKED}.{BLOCKED}.196.230
  • {BLOCKED}.{BLOCKED}.196.232
  • {BLOCKED}.{BLOCKED}.196.237
  • {BLOCKED}.{BLOCKED}.112.10
  • {BLOCKED}.{BLOCKED}.17.107
  • {BLOCKED}.{BLOCKED}.28.231
  • {BLOCKED}.{BLOCKED}.28.234
  • {BLOCKED}.{BLOCKED}.28.237
  • {BLOCKED}.{BLOCKED}.6.3
  • {BLOCKED}.{BLOCKED}.136.10
  • {BLOCKED}.{BLOCKED}.140.10
  • {BLOCKED}.{BLOCKED}.148.37
  • {BLOCKED}.{BLOCKED}.148.39
  • {BLOCKED}.{BLOCKED}.26.42
  • {BLOCKED}.{BLOCKED}.32.100
  • {BLOCKED}.{BLOCKED}.32.103
  • {BLOCKED}.{BLOCKED}.32.106
  • {BLOCKED}.{BLOCKED}.32.109
  • {BLOCKED}.{BLOCKED}.33.52
  • {BLOCKED}.{BLOCKED}.33.60
  • {BLOCKED}.{BLOCKED}.3.70
  • {BLOCKED}.{BLOCKED}.3.73
  • {BLOCKED}.{BLOCKED}.3.76
  • {BLOCKED}.{BLOCKED}.3.79
  • {BLOCKED}.{BLOCKED}.3.83
  • {BLOCKED}.{BLOCKED}.3.85
  • {BLOCKED}.{BLOCKED}.4.6
  • {BLOCKED}.{BLOCKED}.4.9
  • {BLOCKED}.{BLOCKED}.4.12
  • {BLOCKED}.{BLOCKED}.4.15
  • {BLOCKED}.{BLOCKED}.4.18
  • {BLOCKED}.{BLOCKED}.4.21
  • {BLOCKED}.{BLOCKED}.96.66
  • {BLOCKED}.{BLOCKED}.128.106
  • {BLOCKED}.{BLOCKED}.98.55
  • {BLOCKED}.{BLOCKED}.145.194
  • {BLOCKED}.{BLOCKED}.151.161
  • {BLOCKED}.{BLOCKED}.156.66
  • {BLOCKED}.{BLOCKED}.152.99
  • {BLOCKED}.{BLOCKED}.157.99
  • {BLOCKED}.{BLOCKED}.29.93
  • {BLOCKED}.{BLOCKED}.107.85
  • {BLOCKED}.{BLOCKED}3.255.228
  • {BLOCKED}.{BLOCKED}.62.142
  • {BLOCKED}.{BLOCKED}.33.240
  • {BLOCKED}.{BLOCKED}.121.27
  • {BLOCKED}.{BLOCKED}.160.194
  • {BLOCKED}.{BLOCKED}4.10
  • {BLOCKED}.{BLOCKED}.70.98
  • {BLOCKED}.{BLOCKED}.211.22
  • {BLOCKED}.{BLOCKED}.128.68
  • {BLOCKED}.{BLOCKED}.128.86
  • {BLOCKED}.{BLOCKED}.128.166
  • {BLOCKED}.{BLOCKED}.3.140
  • {BLOCKED}.{BLOCKED}.4.130
  • {BLOCKED}.{BLOCKED}.193.97
  • {BLOCKED}.{BLOCKED}.2.4
  • {BLOCKED}.{BLOCKED}.4.1
  • {BLOCKED}.{BLOCKED}.61.225
  • {BLOCKED}.{BLOCKED}.61.235
  • {BLOCKED}.{BLOCKED}.61.255
  • {BLOCKED}.{BLOCKED}.62.1
  • {BLOCKED}.{BLOCKED}.62.60
  • {BLOCKED}.{BLOCKED}.66.66
  • {BLOCKED}.{BLOCKED}.176.22
  • {BLOCKED}.{BLOCKED}.144.47
  • {BLOCKED}.{BLOCKED}.192.33
  • {BLOCKED}.{BLOCKED}.134.33
  • {BLOCKED}.{BLOCKED}.134.133
  • {BLOCKED}.{BLOCKED}.154.15
  • {BLOCKED}.{BLOCKED}.196.6
  • {BLOCKED}.{BLOCKED}.88.88
  • {BLOCKED}.{BLOCKED}.243.112
  • {BLOCKED}.{BLOCKED}.64.33
  • {BLOCKED}.{BLOCKED}.164.13
  • {BLOCKED}.{BLOCKED}.164.18
  • {BLOCKED}.{BLOCKED}.225.68
  • {BLOCKED}.{BLOCKED}.136.68
  • {BLOCKED}.{BLOCKED}.224.68
  • {BLOCKED}.{BLOCKED}.64.129
  • {BLOCKED}.{BLOCKED}.240.100
  • {BLOCKED}.{BLOCKED}.242.18
  • {BLOCKED}.{BLOCKED}.245.180
  • {BLOCKED}.{BLOCKED}.128.68
  • {BLOCKED}.{BLOCKED}.118.162
  • {BLOCKED}.{BLOCKED}.192.67
  • {BLOCKED}.{BLOCKED}.198.167
  • {BLOCKED}.{BLOCKED}.136.81
  • {BLOCKED}.{BLOCKED}.1.3
  • {BLOCKED}.{BLOCKED}.2.18
  • {BLOCKED}.{BLOCKED}.192.68
  • {BLOCKED}.{BLOCKED}.96.65
  • {BLOCKED}.{BLOCKED}.164.6
  • {BLOCKED}.{BLOCKED}.132.2
  • {BLOCKED}.{BLOCKED}.199.8
  • {BLOCKED}.{BLOCKED}.160.68
  • {BLOCKED}.{BLOCKED}.166.4
  • {BLOCKED}.{BLOCKED}.168.8
  • {BLOCKED}.{BLOCKED}.222.222
  • {BLOCKED}.{BLOCKED}.224.68
  • {BLOCKED}.{BLOCKED}.227.68
  • {BLOCKED}.{BLOCKED}.85.85
  • {BLOCKED}.{BLOCKED}.88.88
  • {BLOCKED}.{BLOCKED}.241.1
  • {BLOCKED}.{BLOCKED}.64.1
  • {BLOCKED}.{BLOCKED}.100.100
  • {BLOCKED}.{BLOCKED}.224.68
  • {BLOCKED}.{BLOCKED}.127.1
  • {BLOCKED}.{BLOCKED}.93.33
  • {BLOCKED}.{BLOCKED}.24.129
  • {BLOCKED}.{BLOCKED}.241.34
  • {BLOCKED}.{BLOCKED}.198.230
  • {BLOCKED}.{BLOCKED}.0.68
  • {BLOCKED}.{BLOCKED}.0.117
  • {BLOCKED}.{BLOCKED}.24.68
  • {BLOCKED}.{BLOCKED}.44.150
  • {BLOCKED}.{BLOCKED}.0.242
  • {BLOCKED}.{BLOCKED}.240.6
  • {BLOCKED}.{BLOCKED}.158.11
  • {BLOCKED}.{BLOCKED}.159.3
  • {BLOCKED}.{BLOCKED}.111.114
  • {BLOCKED}.{BLOCKED}.111.122
  • {BLOCKED}.{BLOCKED}.127.114
  • {BLOCKED}.{BLOCKED}.127.122
  • {BLOCKED}.{BLOCKED}.129.30
  • {BLOCKED}.{BLOCKED}.78.210
  • {BLOCKED}.{BLOCKED}.254.5
  • {BLOCKED}.{BLOCKED}.96.112
  • {BLOCKED}.{BLOCKED}.225.253
  • {BLOCKED}.{BLOCKED}.129.81
  • {BLOCKED}.{BLOCKED}.129.80
  • {BLOCKED}.{BLOCKED}.210.98
  • {BLOCKED}.{BLOCKED}.210.100
  • {BLOCKED}.{BLOCKED}.208.3
  • {BLOCKED}.{BLOCKED}.208.6
  • {BLOCKED}.{BLOCKED}.64.68
  • {BLOCKED}.{BLOCKED}.192.100
  • {BLOCKED}.{BLOCKED}.98.3
  • {BLOCKED}.{BLOCKED}.98.6
  • {BLOCKED}.{BLOCKED}.0.68
  • {BLOCKED}.{BLOCKED}.64.129
  • {BLOCKED}.{BLOCKED}.16.99
  • {BLOCKED}.{BLOCKED}.5.68
  • {BLOCKED}.{BLOCKED}.194.55
  • {BLOCKED}.{BLOCKED}.200.69
  • {BLOCKED}.{BLOCKED}.3.141
  • {BLOCKED}.{BLOCKED}.3.144
  • {BLOCKED}.{BLOCKED}.57.33
  • {BLOCKED}.{BLOCKED}.0.55
  • {BLOCKED}.{BLOCKED}.114.114
  • {BLOCKED}.{BLOCKED}.115.115
  • {BLOCKED}.{BLOCKED}.24.34
  • {BLOCKED}.{BLOCKED}.135.1
  • {BLOCKED}.{BLOCKED}.4.66
  • {BLOCKED}.{BLOCKED}.143.69
  • {BLOCKED}.{BLOCKED}.8.141
  • {BLOCKED}.{BLOCKED}.0.110
  • {BLOCKED}.{BLOCKED}.7.1
  • {BLOCKED}.{BLOCKED}.32.106
  • {BLOCKED}.{BLOCKED}.13.101
  • {BLOCKED}.{BLOCKED}.255.1
  • {BLOCKED}.{BLOCKED}.37.1
  • {BLOCKED}.{BLOCKED}.1.40
  • {BLOCKED}.{BLOCKED}.208.46
  • {BLOCKED}.{BLOCKED}.9.141
  • {BLOCKED}.{BLOCKED}.7.90
  • {BLOCKED}.{BLOCKED}.224.68
  • {BLOCKED}.{BLOCKED}.226.68
  • {BLOCKED}.{BLOCKED}.90.68
  • {BLOCKED}.{BLOCKED}.32.178
  • {BLOCKED}.{BLOCKED}.69.38
  • {BLOCKED}.{BLOCKED}.197.58
  • {BLOCKED}.{BLOCKED}.6.99
  • {BLOCKED}.{BLOCKED}.86.18
  • {BLOCKED}.{BLOCKED}.189.10
  • {BLOCKED}.{BLOCKED}.189.18
  • {BLOCKED}.{BLOCKED}.249.50
  • {BLOCKED}.{BLOCKED}.249.54
  • {BLOCKED}.{BLOCKED}.64.68
  • {BLOCKED}.{BLOCKED}.75.68
  • {BLOCKED}.{BLOCKED}.1.29
  • {BLOCKED}.{BLOCKED}.1.53
  • {BLOCKED}.{BLOCKED}.204.66
  • {BLOCKED}.{BLOCKED}.224.8
  • {BLOCKED}.{BLOCKED}.224.67
  • {BLOCKED}.{BLOCKED}.72.65
  • {BLOCKED}.{BLOCKED}.91.1
  • {BLOCKED}.{BLOCKED}.101.3
  • {BLOCKED}.{BLOCKED}.96.68
  • {BLOCKED}.{BLOCKED}.0.81
  • {BLOCKED}.{BLOCKED}.152.129
  • {BLOCKED}.{BLOCKED}.75.123
  • {BLOCKED}.{BLOCKED}.154.3
  • {BLOCKED}.{BLOCKED}.152.3
  • {BLOCKED}.{BLOCKED}.1.66
  • {BLOCKED}.{BLOCKED}.1.66
  • {BLOCKED}.{BLOCKED}.128.68
  • {BLOCKED}.{BLOCKED}.134.68
  • {BLOCKED}.{BLOCKED}.106.19
  • {BLOCKED}.{BLOCKED}.80.65
  • {BLOCKED}.{BLOCKED}.192.66
  • {BLOCKED}.{BLOCKED}.192.68
  • {BLOCKED}.{BLOCKED}.1.4
  • {BLOCKED}.{BLOCKED}.96.5
  • {BLOCKED}.{BLOCKED}.96.10
  • {BLOCKED}.{BLOCKED}.19.40
  • {BLOCKED}.{BLOCKED}.19.50
  • {BLOCKED}.{BLOCKED}.111.118
  • {BLOCKED}.{BLOCKED}.255.18
  • {BLOCKED}.{BLOCKED}.209.5
  • {BLOCKED}.{BLOCKED}.209.133
  • {BLOCKED}.{BLOCKED}.6.2
  • {BLOCKED}.{BLOCKED}.1.97
  • {BLOCKED}.{BLOCKED}.72.1
  • {BLOCKED}.{BLOCKED}.112.50
  • {BLOCKED}.{BLOCKED}.150.66
  • {BLOCKED}.{BLOCKED}.6.6
  • {BLOCKED}.{BLOCKED}.97.234
  • {BLOCKED}.{BLOCKED}.97.238
  • {BLOCKED}.{BLOCKED}.97.242
  • {BLOCKED}.{BLOCKED}.2.69
  • {BLOCKED}.{BLOCKED}.96.68
  • {BLOCKED}.{BLOCKED}.32.36
  • {BLOCKED}.{BLOCKED}.32.39
  • {BLOCKED}.{BLOCKED}.200.139
  • {BLOCKED}.{BLOCKED}.0.124
  • {BLOCKED}.{BLOCKED}.54.66
  • {BLOCKED}.{BLOCKED}.39.73
  • {BLOCKED}.{BLOCKED}.10.20
  • {BLOCKED}.{BLOCKED}.55.244
  • {BLOCKED}.{BLOCKED}.150.20
  • {BLOCKED}.{BLOCKED}.252.16
  • {BLOCKED}.{BLOCKED}.1.1
  • {BLOCKED}.{BLOCKED}.211.193
  • {BLOCKED}.{BLOCKED}.211.225
  • {BLOCKED}.{BLOCKED}.130.1
  • {BLOCKED}.{BLOCKED}.1.1
  • {BLOCKED}.{BLOCKED}.233.1
  • {BLOCKED}.{BLOCKED}.192.1
  • {BLOCKED}.{BLOCKED}.192.174
  • {BLOCKED}.{BLOCKED}.224.3
  • {BLOCKED}.{BLOCKED}.224.5
  • {BLOCKED}.{BLOCKED}.16.10
  • {BLOCKED}.{BLOCKED}.16.11
  • {BLOCKED}.{BLOCKED}.96.68
  • {BLOCKED}.{BLOCKED}.104.68
  • {BLOCKED}.{BLOCKED}.160.5
  • {BLOCKED}.{BLOCKED}.160.185
  • {BLOCKED}.{BLOCKED}.32.132
  • {BLOCKED}.{BLOCKED}.224.68
  • {BLOCKED}.{BLOCKED}.73.34
  • {BLOCKED}.{BLOCKED}.0.130
  • {BLOCKED}.{BLOCKED}.1.130
  • {BLOCKED}.{BLOCKED}.67.4
  • {BLOCKED}.{BLOCKED}.67.14
  • {BLOCKED}.{BLOCKED}.84.58
  • {BLOCKED}.{BLOCKED}.84.67
  • {BLOCKED}.{BLOCKED}.252.8
  • {BLOCKED}.{BLOCKED}.128.32
  • {BLOCKED}.{BLOCKED}.96.9
  • {BLOCKED}.{BLOCKED}.100.18
  • {BLOCKED}.{BLOCKED}.100.21
  • {BLOCKED}.{BLOCKED}.94.20
  • {BLOCKED}.{BLOCKED}.94.241
  • {BLOCKED}.{BLOCKED}.1.20
  • {BLOCKED}.{BLOCKED}.114.133
  • {BLOCKED}.{BLOCKED}.114.166
  • {BLOCKED}.{BLOCKED}.152.130
  • {BLOCKED}.{BLOCKED}.150.123
  • {BLOCKED}.{BLOCKED}.128.33
  • {BLOCKED}.{BLOCKED}.72.7
  • {BLOCKED}.{BLOCKED}.29.68
  • {BLOCKED}.{BLOCKED}.29.150
  • {BLOCKED}.{BLOCKED}.29.170
  • {BLOCKED}.{BLOCKED}.131.11
  • {BLOCKED}.{BLOCKED}.200.68
  • {BLOCKED}.{BLOCKED}.150.101
  • {BLOCKED}.{BLOCKED}.150.139
  • {BLOCKED}.{BLOCKED}.144.33
  • {BLOCKED}.{BLOCKED}.160.33
  • {BLOCKED}.{BLOCKED}.192.33
  • {BLOCKED}.{BLOCKED}.208.33
  • {BLOCKED}.{BLOCKED}.224.33
  • {BLOCKED}.{BLOCKED}.144.161
  • {BLOCKED}.{BLOCKED}.5.240
  • {BLOCKED}.{BLOCKED}.25.129
  • {BLOCKED}.{BLOCKED}.103.36
  • {BLOCKED}.{BLOCKED}.1.227
  • {BLOCKED}.{BLOCKED}.252.200
  • {BLOCKED}.{BLOCKED}.120.5
  • {BLOCKED}.{BLOCKED}.96.68
  • {BLOCKED}.{BLOCKED}.248.219
  • {BLOCKED}.{BLOCKED}.248.245
  • {BLOCKED}.{BLOCKED}.254.34
  • {BLOCKED}.{BLOCKED}.244.5
  • {BLOCKED}.{BLOCKED}.104.15
  • {BLOCKED}.{BLOCKED}.104.26
  • {BLOCKED}.{BLOCKED}.33.227
  • {BLOCKED}.{BLOCKED}.107.27
  • {BLOCKED}.{BLOCKED}.128.68
  • {BLOCKED}.{BLOCKED}.192.68
  • {BLOCKED}.{BLOCKED}.17.2
  • {BLOCKED}.{BLOCKED}.203.86
  • {BLOCKED}.{BLOCKED}.203.90
  • {BLOCKED}.{BLOCKED}.203.98
  • {BLOCKED}.{BLOCKED}.92.86
  • {BLOCKED}.{BLOCKED}.92.98

该程序执行以下操作(zuò)：

  • capable of updating itself to its latest version
  • replaces the following files with the copy of the malware and stores the original files in /usr/bin/dpkg/:
    • /bin/netstat
    • /bin/lsof
    • /bin/ps
    • /bin/ss
    • /usr/bin/netstat
    • /usr/bin/lsof
    • /usr/bin/ps
    • /usr/bin/ss
    • /usr/sbin/netstat
    • /usr/sbin/lsof
    • /usr/sbin/ps
    • /usr/sbin/ss
  • It adds the following scripts in /etc/rc{1-5}.d/ and /etc/init.d/ to automatically execute itself when the system starts up:
    • /etc/rc{1-5}.d/S97DbSecuritySpt
    • /etc/rc{1-5}.d/S99selinux
    • /etc/init.d/selinux
    • /etc/init.d/DbSecuritySpt

  解决方案

最小(xiǎo)扫描引擎: 9.850
First VSAPI Pattern File: 14.568.04
VSAPI 第一样式发布日期: 2018年10月16日
VSAPI OPR样式版本: 15.237.00
VSAPI OPR样式发布日期: 2019年7月16日

使用(yòng)亚信安(ān)全产(chǎn)品扫描计算机，并删除检测到的Backdoor.Linux.SETAG.RPA文(wén)件 如果检测到的文(wén)件已被亚信安(ān)全产(chǎn)品清除、删除或隔离，则无需采取进一步措施。可(kě)以选择直接删除隔离的文(wén)件。请参阅知识库页(yè)面了解详细信息。