Virus:Worm/Irc.937984.A.1
Date discovered:16/04/2008
Type:Worm
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Medium
Damage Potential:Medium to high
Static file:Yes
File size:937.984 Bytes
MD5 checksum:0fdbc5a72182e58ea1211c2d5c57ca77
IVDF version:7.00.03.175 - Wednesday, April 16, 2008

 General Method of propagation:
   • Local network


Aliases:
   •  Mcafee: W32/Sdbot.worm virus
   •  Sophos: W32/Rbot-GVM
   •  Panda: W32/IRCbot.BLI.worm
   •  Eset: Win32/Rbot
   •  Bitdefender: Trojan.Generic.2268503


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Drops malicious files
   • Lowers security settings
   • Registry modification
   • Steals information
   • Third party control

 Files It copies itself to the following location:
   • %SYSDIR%\svehost.exe



It deletes the initially executed copy of itself.



The following files are created:

– %SYSDIR%\drivers\npf.sys
– %SYSDIR%\packet.dll
– %SYSDIR%\wpcap.dll

 Registry The following registry key is added in order to run the process after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices]
   • "Microsoft Updates"="svehost.exe"



One of the following values is added in order to run the process after reboot:

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "Microsoft Updates"="svehost.exe"



The following registry keys are added in order to load the service after reboot:

– [HKLM\SYSTEM\CurrentControlSet\Services\NPF]
   • "DisplayName"="Netgroup Packet Filter"
   • "ErrorControl"=dword:0x00000001
   • "ImagePath"="system32\drivers\npf.sys"
   • "Start"=dword:0x00000003
   • "Type"=dword:0x00000001



The following registry key is added:

– [HKCU\Software\Microsoft\OLE]
   • "Microsoft Updates"="svehost.exe"



The following registry keys are changed:

– [HKLM\SOFTWARE\Microsoft\Ole]
   New value:
   • "EnableDCOM"="N"

– [HKLM\SYSTEM\CurrentControlSet\Control\Lsa]
   New value:
   • "restrictanonymous"=dword:0x00000001

 Network Infection In order to ensure its propagation the malware attemps to connect to other machines as described below.


It uses the following login information in order to gain access to the remote machine:

– The following list of usernames:
   • Zytowski; Zwiers; Zurn; Zucconi; Zoldak; Zerbini; Zegans; Zangwill;
      Zahedi; Zachary; Yu; Youk-See; Yoo; Yoffe; Yetiv; Yesson; Yedidia;
      Ybarra; Yates; Yarchuk; Yankee; Yamane; Yacono; Votey; Vorhaus;
      Woods-Powell; Woods; Wooden; Woo; VonHoffman; Wolk; Voigt; Viviani;
      Vitali; Wilson; Willstatter; Villarreal; Wilkinson; Wilkin; Wilk;
      Wilhelm; Wilder; Vignola; Viens; Wiener; Wiedersheim; Viano; Viana;
      Whittaker; Whitla; White; Whilton; Whately; Wetzel; Wescott; Verghese;
      Venne; Wengret; Welsh; Welles; Velasquez; Weissman; Weissbourd;
      Weinhaus; Weingarten; Weighart; Waugh; Vasquez; Wasowska; Warshafsky;
      Vanheeckeren; Vandenberg; VanZwet; vanAllen; Walter; Wallenberg;
      Wales; Valencia; Valberg; Waite; Vacca; Uzuner; Usdan; Urdang-Brown;
      Urban; Upsdell; Untermeyer; Ullman; Tzamarias; Twells; Tuttle; Turek;
      Turano; Tukan; Tudge; Tuck; Tsukurov; Tsomides; Tsiatis; Truss; Troy;
      Troiani; Tringali; Trewin; Trenga; Traebert; Toye; Towler; Torske;
      Torresi; Topulos; Toomer; Tomford; Tolman; Tolls; Tollestrup;
      Tofallis; Timmons; Till; Tierney; Throop; Thomsen; Thisted; Thibault;
      Theodos; Thavaneswaran; Than; Terracini; Tenney; Temmer; Temes;
      Teague; Tcherepnin; Tawn; Taveras; Tatar; Tanowitz; Tandler; Tambiah;
      Talaugon; Tai; Tagiuri; Swindle; Sweetser; Sweeting; Surdam; Suo;
      Sumner; Sullivan; Stringer; Streiff; Strauch; Strange; Stott; Storer;
      Stonich; Stolzenberg; Stockwell; Stockton; Stock; Stillwell; Stiepock;
      Stewart-Oaten; Stepniewska; Stephanian; Steiner; Stefani; Statlender;
      States; Stassinopolus; Stang; Stam; Stalvey; StMartin; Spinrad;
      Spiliotis; Spiegelhalter; Spicer; Sperber; Spence; Speizer; Spaulding;
      Sparrow; Spanier; Soultanian; Soule; Soukup; Sottak; Sorg; Sorabella;
      Sommariva; Somers; Solon; Socolow; Snodgrass; Sniffen; Smilow; Slowe;
      Sloan; Skoda; Skerry; Skane; Sites; Sirilli; Sinsabaugh; Silvetti;
      Silverman; Signa; Sigini; Sigalot; Siesto; Shimon; Shibata; Shia;
      Shesko; Shepstone; Sheppard; Shepherd; Sheats; Shea; Shavelson;
      Shatrov; Shar; Shanley; Shankland; Shakis; Shaikh; Seyfert; Sexton;
      Seterdahl; Sennett; Sen; Selvage; Sekler; Segal; Seeber; Seaton;
      Scudder; Scovel; Schwickrath; Schwan; Schuyler; Schutte; Schuman;
      Schossberger; Schmitt; Schilling; Schifini; Schiano; Scheiner;
      Scharlemann; Scharf; Scepan; Scarponi; Sayied; Sawtell; Satterthwaite;
      Satta; Satin; Sase; Sartore; Sarin; Sapers; Sanna; Sanchez-Ramirez;
      Samson; Sali; Sahu; Safire; Sadler; Sabatello; Ryu; Rush; Ruescher;
      Ruderman; Ruan; Ru; Royal; Row; Ronen; Rogers; Roesler; Rocha;
      Robinson; Rivera; Rish; Rineer; Rindos; Rielly; Richmond; Rhea;
      Resnik; Repetto; Renick; Remak; Reinold; Cunningham; Reedquist;
      Redden-Tyler; Rayport; Rapple; Rankin; Rangan; Raney; Rajagopalan;
      Radeke; Rabkin; Rabe; Quetin; Quaday; Pynchon; Pugh; Puccia;
      Prothrow-Stith; Proietti; Pritz; Pritchard; Prevost; Preucel; Presper;
      Powers; Poolman; Poma; Politis; Polanyi; Polak; Poirier; Pointer;
      Poincaire; Pocobene; Po; Plous; Plasket; Plant; Plancon; Pinot;
      Pilbeam; Pfister; Pettit; Pettibone; Petruzello; Peters; Perrimon;
      Perone; Perna; Perlman; Perlak; Perko; Pereira; Penny; Peishel;
      Pederson; Pearlberg; Peabody; Paynter; Pawloski; Pavlon; Pavetti;
      Pattullo; Patrick; Patefield; Pascucci; Partridge; Parris;
      Parmeggiani; Paoletti; Pantilla; Panizzon; Panadero; Palmitesta;
      Pallara; Palepu; Palayoor; Paine; PaesDealmeida; Ovid; Ouchida; Otten;
      Ottaviani; Ostrowski; Ospina; Orsi; Orfield; Oray; Opel; O'meara;
      Oman; O'malley; Olszewski; Olson; Olsen; Oldford; O'hagan; Oh; Ogata;
      Ocougne; Nuzum; Notman; Nitabach; Nisenson; Nickoloff; Nickerson; Ni;
      Ng; Newlin; Newfeld; Neuman; Nesci; Nenna; Nelson; Nayduch; Naviaux;
      Nardone; Nardi; Napolitano; Naddeo; Mussachio; Mumford; Mulroy;
      Mulkern; Mugnai; Muello; Mudarri; Motooka; Mostafavi; Mosler; Mosher;
      Mortimer; Morrow; Morrison; Moreton; Morani; MooreDeCh.; Montilio;
      Monque; Moiamedi; Mohr; Moeller; Modestino; Mocroft; Mittal;
      Mitropoulos; Gonzalez; Minichiello; Mini; Minh; Mills; Mieher; Middle;
      Michelman; Meurer; Metropolis; Metelka; Merz; Merseth; Merminod;
      Merlani; Merikoski; Menzies; Memisoglu; Meccariello; Mcnulty; Mcnealy;
      Mclaren; Mclane; Mckenna; Mcintosh; McIlroy; Mcgoldrick; Mcghee;
      McFadden; Mcelroy; Mcdowell; Mcclearn; Mccall; Mccaffery; Mcbride;
      Mazziotta; Mazzali; May; Mauzy; Mattson; Matsukata; Matarazzo;
      Matalka; Mass; Marubini; Marton; Martochio; Martinez; Marques;
      Margetts; Margalit; Marcus; Marchbanks; March; Mantovan; Manganiello;
      Mandel; Manalis; Malova; Maller; Malatesta; Maisano; Maine-Hershey;
      Maier; Mahony; Maggio; Madigan; Macy; MacMillan; Mackenney; Macintyre;
      Maceachern; Macdonald; Maccormac; Ma; Luzader; Lutcavage; Lussier;
      Luoma; Lunetta; Luecke; Luczkow; Luciano; Lucas; Lubin; Loza;
      Lowenstein; Loveman; Loss; Longworth; Locatelli; Lizardo; Livolsi;
      Livi; Livernash; Litvak; Little; Lipponen; Lippmann; Linzee; Linehan;
      Line; Linder; Linda; Linares; Lim; Lightfoot; Light; Liem; Lidano;
      Liakos; Lessi; Lesser; l'Enclos; Lenard; Leite; Leclercq; Lecce;
      Lecar; Lawless; Lashley; Laserna; Lanzit; Lantieri; Lankes; Landes;
      Lallemant; Laing; Lafler; Labunka; La; Kuwabara; Kusman; Kumar;
      Kuenzli; Krysiak; Kroemer; Kraus; Krasney; Krailo; Kraemer; Kovaks;
      Kotter; Korzybski; Kool; Konrad; Koniaris; Kommer; Koivumaki; Kohn;
      Koch; Kobrick; Knuff; Klint; Klinkenborg; Kling; Klemperer;
      Kleinfelder; Kleiman; Kleckner; Kittridge; Kirscht; Kippenberger;
      Kinsley; Kindall; Kimura; Kimmett; Kimmel; Khong; Keul; Kerry;
      Kendall; Kemsley; Kempton; Kelsey; Kelker; Keith; Keepper; Keenan;
      Kee; Kawachi; Kasten; Kassower; Karpouzes; Kangis; Kamel; Kalman;
      Kalinowski; Kalil; Kaligian; Kalbfleisch; Kafadar; Kaboolian; Kabbash;
      Julious; Juliano; Jucks; Jorgensen; Jolly; Johns; Johannsen;
      Johannesson; Jewett; Jespersen; Jenkins; Jellis; Jeffers; Jay;
      Jarrell; Jarnagin; Janjigian; Jamil; Jain; Jagoe; Jagger; Jagers;
      Jackson; Jacenko; Iyer; Isserman; Isbill; Isaievych; Isaac; Inniss;
      Inamura; Igarashi; Ichikawa; Iaquinta; Hyde; Hutchings; Hurtubise;
      Hupp; Huntington; Hungerford; Huidekoper; Huey; Hoy; Howard; Hottle;
      Hostage; Hoshida; Horsley; Hopkins; Hooker; Holzman; Holway; Holter;
      Holoien; Holmes; Hokoda; Hokanson; Hoffman; Hoffer; Hock; Hoang;
      Hitchcock; Hirst; Hind; Himmelfarb; Heyeck; Heubert; Hester; Herrera;
      Hernandez; Henrichs; Henery; Hemphill; Helprin; Hellmiss; Hellman;
      Heiland; Heft; Heermans; Hazlewood; Haynes; Hayes; Hawkes; Haviaras;
      Harwell; Hartnett; Hartmann; Hartman; Harrigan; Harlow; Hargraves;
      Harding; Hanssen; Hand; Hammerness; Hamer; Hambarzumjan; Halpert;
      Hallowell; Halkias; Haley; Hackshaw; Hackman; Haar; Ha; Guo; Gunn;
      Guenthart; Gruppe; Gruner; Grummell; Grigoletto; Griffiths; Greenfeld;
      Greenberg; Gravell; Gozzi; Goody; Goodearl; Good; Goncalves; Goldfarb;
      Glendon; Glegg; Gleason; Gist; Gillispie; Gill; Gili; Gilbert; Gibson;
      Gibbens; Ghorai; Gerrett; Georgi; Gemberling; Geller; Garonna; Garman;
      Garfield; Gambini; Galwey; Galeotti; Gaggiotti; Gabrielli; Fusaro;
      Furth; Fuller; Fujii-Abe; Frye; Fryberger; Frowiss; Frisken;
      Friedland; Fried; Freundlich; Freid; Frazier-Davis; Franz;
      Franklin-Kenea; Francisco; Fossi; Fossey; Fortier; Fortes; Forester;
      Folks; Flores; Flier; Fitzmaurice; Fisk; Fiorina; Finnegan;
      Finkelstein; Fink; Field; Fido; Feuer; Ferriell; Ferrante; Fernandes;
      Fernald; Feldman; Fejzo; Feigenbaum; Fates; Fasso'; Farren; Farone;
      Faris; Falorsi; Falco-Acosta; Faioes; Fagan; Fabbris; Everett;
      Euripides; Etter; Estes; Espinoza; Erez; Erdos; Erdman; Erbach;
      Eppling; Enyeart; Encinas; Elvis; Elmerick; Elmendorf; Eliasson;
      Eickenhorst; Edward; Edner; Edley; Eckel; Ebeling; Eardley; Dwyer;
      Dussault; Durrett; Duffin; D'souza; Drinker; Dowsland; Doug; Doty;
      Dosi; Dorf; Dore; Doonan; Donner; Donahue; Doherty; Dockery; Dirksen;
      Dionysius; Dilworth; Difronzo; Difabio; Diefenbach; Dicks; D'fini;
      Deutsch; Desombre; Denison; Denham; Denault; Demusz; Dempster; Deming;
      Dell'acqua; Delger; Deleon-Rendon; Delattre; Defeciani; Dees; Debroff;
      deRousse; del'Enclos; DeLaPena; DeGennaro; Dawkins; David; Daskalu;
      Dasgupta; Das; D'arcangelo; Dapice; Dante; Danieli; D'Ambra; Daly;
      Daldalian; daSilva; Cyders; Cvek; Cutler; Currier; Cui; Croxton;
      Croxen; Croshaw; Crocker; Crawford; Coutaux; Counter; Cosmides;
      Cornish; Corey; Connors; Condodina; Concino; Comstock; Compton;
      Collis; Collard; Colella; Coldren; Coito; Coblenz; Clow; Clifton;
      Clement; Clark; Clancy; Claffey; Cifarelli; Cicero; Ciampaglia;
      Church; Chupasko; Chu; Christopher; Christie; Christiano; Christian;
      Christenson; Chinman; Chinipardaz; Childs; Childress; Chien;
      Chiassino; Chervinsky; Cherry; Cheang; Charles; Chapman; Cerioli;
      Ceniceros; Cavell; Cavanagh; Castelda; Caspar; Case; Cascio; Cartmill;
      Carper; Caroti; Carmichael; Carlyle; Carlos; Carlin; Carayannopoulos;
      Caratozzolo; Capursi; Cappuccio; Capodilupo; Capocaccia; Caperton;
      Capanni; Canley; Cammilleri; Cammelli; Calnan; Cage; Byrd; Byerly;
      Byatt; Busetta; Burridge; Burke; Burdzy; Burden; Bunton; Bullard;
      Budding; Buchan; Brzycki; Brook; Broca; Britz; Brinton; Bridges;
      Bridgeman; Brewer; Brennan; Brenan; Breed; Brecht; Bradach; Bradac;
      Bracalente; Boyne; Boym; Boyland; Boyes; Boyajian; Boxer; Bowers;
      Bourneuf; Boudrot; Boudin; Botosh; Bothman; Bossi; Borden; Borack;
      Boorstin; Boone; Bookbinder; Book; Bontempo; Boniface; Bonham; Boner;
      Bologna; Bollinger; Bolick; Bolger; Blyth; Bloxham; Bloemhof;
      Bloembergen; Bloch; Blizard; Bliss; Blanke; Blakemore; Blagg;
      Blackwell; Blackbourn; Bisho; Bisema; Bir; Binion; Bickel; Biagioli;
      Beynart; Betti; Berrizbeitia; Bernston; Bernassola; Bernardo;
      Berke-Jenkins; Bergson; Benedict-Dye; Belloc; Bellini; Bellhouse;
      Bellavance; Belin-Collart; Belfer; Belaoussof; Belanger; Behenna;
      Bedford; Beder; Beckman; Bean; Beal; Beacon; Bayo; Bayles; Baumiller;
      Batchelder; Bashevis; Basavappa; Bartoo; Bartolome; Bartholomew;
      Barry; Barriola; Barnett; Barneson; Barbetti; Barberi; Baranowska;
      Baranczak; Barajas; Barabesi; Banta; Baltz; Ballew; Ballatori; Baleja;
      Bakanowsky; Bailar; Bagnold; Baglivo; Bady; Backus; Bachmuth; Azima;
      Ayling; Aykroyd; Ayiemba; Axworthy; Axelrod; Aurelius; Augustus;
      Atkins; Arky; Arjas; Aristotle; Arellano; Arduini; Arbia; Antos;
      Anthony; Ansley; Anfinrud; Andron; Andrelus; Ando; Andel; Anand;
      Amsden; Ameer; Amatangelo; Amaral; Altenhofen; Altenberger; Altavilla;
      Alongi; Allison; Aleks; Alda; Alcorn; Alavi; Ahlers; Adorno; Adibe;
      Adelstein; Addison; Adams; Ackerman; Abdulrazak

– The following list of passwords:
   • intranet; lan; main; winpass; blank; office; control; xp; nokia; hp;
      siemens; compaq; dell; cisco; ibm; orainstall; sqlpassoainstall; sql;
      sa; db1234; db1; databasepassword; data; databasepass; dbpassword;
      dbpass; access; domainpassword; domainpass; domain; hello; hell; god;
      sex; slut; bitch; fuck; exchange; backup; technical; loginpass; mary;
      katie; kate; george; eric; chris; ian; neil; lee; brian; susan; sue;
      sam; luke; peter; john; mike; bill; fred; joe; jen; bob; qwe; zxc;
      asd; qaz; win2000; winnt; winxp; win2k; win98; windows; oeminstall;
      oemuser; oem; homeuser; home; accounting; accounts; internet; www;
      web; outlook; mail; qwerty; null; changeme; linux; unix; demo; none;
      test; 2004; 2003; 2002; 2001; 2000; 1234567890; 123456789; 12345678;
      1234567; 123456; 12345; 1234; 123; 12; 007; pwd; pass; pass1234;
      passwd; password1; adm; db2; oracle; dba; database; default; guest;
      wwwadmin; teacher; student; owner; computer; root; staff; admin;
      admins; administrat; administrateur; administrador; administrator



Exploit:
It makes use of the following Exploits:
– MS01-059 (Unchecked Buffer in Universal Plug and Play)
– MS04-011 (LSASS Vulnerability)


Remote execution:
–It attempts to schedule a remote execution of the malware, on the newly infected machine. Therefore it uses the NetScheduleJobAdd function.

 IRC To deliver system information and to provide remote control it connects to the following IRC Server:

Server: mail.purpl**********.com
Port: 80
Channel: #test%number%
Nickname: USA|%number%



– This malware has the ability to collect and send information such as:
    • Capture screen
    • Capture shot from webcam
    • Free disk space
    • Free memory
    • Information about running processes


– Furthermore it has the ability to perform actions such as:
    • connect to IRC server
    • Launch DDoS ICMP flood
    • Launch DDoS SYN flood
    • Launch DDoS TCP flood
    • Launch DDoS UDP flood
    • Download file
    • Execute file
    • Kill process
    • Open remote shell
    • Perform network scan
    • Restart system
    • Send emails
    • Shut down system
    • Start keylog
    • Updates itself

 Backdoor The following ports are opened:

– %SYSDIR%\svehost.exe on TCP port 80 in order to provide an HTTP server.
– %SYSDIR%\svehost.exe on TCP port 21 in order to provide a TFTP server.

Sends information about:
    • Computer name
    • CPU speed
    • CPU type
    • Current user
    • Internet connection type
    • IP address
    • MAC address
    • Malware uptime
    • System directory
    • System time
    • Username
    • Windows directory
    • Information about the Windows operating system


Remote control capabilities:
    • Disable DCOM
    • Disable network shares
    • Enable DCOM
    • Enable network shares

 File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

Description inserted by Petre Galan on Tuesday, November 24, 2009
Description updated by Petre Galan on Tuesday, November 24, 2009

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